American Board of Internal Medicine home page

Initial Certification indicates that physicians have met rigorous standards through intensive study, accredited training and evaluation and that they have the clinical judgment, skills and attitudes essential for the delivery of excellent patient care.

MOC is a professionally determined standard that attests that an internist is staying current in knowledge and practice throughout his/her career.

For more than 75 years, Certification by ABIM has stood for the highest standard in internal medicine and its 20 subspecialties.

Internal Medicine Board Exam Committee

Guido V. DeJesus, MD, Chair

Dr. DeJesus, a board certified internist and hospice and palliative medicine specialist, is an Associate Professor of Clinical Medicine for the Louisiana State University (LSU) Internal Medicine Residency Program in Baton Rouge. His primary role is direct supervision of house staff in both inpatient and outpatient settings, the latter including LSU Clinics and the VA Outpatient Clinic in Baton Rouge. Dr. DeJesus is also involved in medical student teaching at the LSU School of Medicine in New Orleans, including conducting sessions in diagnostic reasoning for first- and second-year classes and patient care supervision for third- and fourth-year students. Most recently, he has become actively involved in the evaluation and revision of the medical school curriculum for first- and second-year students, where various cognitive medical reasoning tools will be taught and implemented early in training. He is a recipient of the Allen A. Copping Excellence in Teaching Award, considered the highest teaching award attainable in the LSU School of Medicine.

Dr. DeJesus is also an Associate Medical Director for Hospice of Baton Rouge, where he participates in clinical, academic and administrative roles.

He has served on the American Board of Internal Medicine Internal Medicine Board Exam Committee since 2010 and is currently its Chair.

Dr. DeJesus received a bachelor's degree in microbiology from Louisiana State University, and he earned his medical degree at the LSU School of Medicine in New Orleans. He completed residency training at the LSU Internal Medicine Residency Program in Baton Rouge, where he served an additional year as Chief Medical Resident before joining the faculty.

As of January 2017, Dr. DeJesus reported no external relationships.

Lee R. Berkowitz, MD

Dr. Berkowitz, a board certified internist and hematologist, is the Eunice Bernhard Distinguished Professor of Medicine in the Division of General Internal Medicine and Vice Chair for Education in the Department of Medicine at the University of North Carolina (UNC) School of Medicine at Chapel Hill.

Currently, Dr. Berkowitz serves as a member of the American Board of Internal Medicine's Internal Medicine Board Exam Committee. He has served as President of the Association of Program Directors in Internal Medicine, Chair of the In-training Examination Test Writing Committee of the American College of Physicians and Chair of the Council of the ABIM.

Dr. Berkowitz earned his medical degree at The Ohio State University College of Medicine. He did his residency and chief residency in the Department of Medicine at UNC at Chapel Hill and later completed fellowship training in hematology at Washington University and UNC.

As of January 2017, Dr. Berkowitz reported no external relationships.

Heather L. Burton, MD

Dr. Burton, a board certified internist, is currently the Assistant Regional District Chief of Internal Medicine at Colorado Permanente Medical Group. She has been on the clinical faculty of the University of Colorado Health Sciences Center since 2005.

Currently, Dr. Burton is a member of the American Board of Internal Medicine's Internal Medicine Board and Internal Medicine Board Exam Committee. She serves on the Guidelines Committee, Education Committee and Peer Review for Colorado Permanente Medical Group. She is also the organizer of the Internal Medicine Journal Club. Dr. Burton is the moderator and question writer for the Colorado American College of Physicians (ACP) Doctors Dilemma. In addition, she serves on the Colorado ACP Governance Council. Previously, she served as Chairperson for the Colorado ACP Chapter Meeting Planning Committee.

In 2013, Dr. Burton was awarded the Laureate Award from the Colorado ACP. In 2012, she won the Colorado Permanente Medical Group's higher honor, The Permanente. In 2011, she was named one of 5280 Magazine's Top Doctor. In 2006, she was named Teacher of the Year by Colorado Permanente Medical Group.

Dr. Burton earned her medical degree at Columbia University's College of Physicians and Surgeons. She completed her residency in the Department of Medicine at the University of Colorado. Prior to that, she received a master's degree in physiologic psychology from Dartmouth College.

As of January 2017, Dr. Burton reported no external relationships.

Steven C. Cheng, MD

Dr. Cheng, a board certified internist and nephrologist, is an Associate Professor of at the Washington University School of Medicine. He is an Attending Physician in both nephrology and internal medicine at Barnes Jewish Hospital in St. Louis, Missouri. He has been the Training Program Director for the Division of Nephrology at Washington University since 2011. He also serves on the Committee for Academic and Professional Evaluation of Students at the medical school and is the Course-Master for the Renal Pathophysiology class as well as the Music & Medicine selective. He has a special interest in clinical nephrology, electrolyte disorders and medical education.

Dr. Cheng is a member of the American Board of Internal Medicine's Internal Medicine Board Exam Committee. He serves as a mentor for a number of student groups, including the Christian Medical Association, and volunteers at the medical school's free clinic for the underserved. He is the recipient of numerous teaching awards, including the Samuel Goldstein Leadership in Medical Education Award and the Sydney S. Pearl Clinical Teacher of the Year Award.

A graduate of Northwestern University's Feinberg School of Medicine in 2001, Dr. Cheng completed a residency in internal medicine at Northwestern Memorial Hospital and a fellowship in nephrology at Washington University.

As of January 2017, Dr. Steven Cheng reported no external relationships.

Teresa M. Cheng, MD

Dr. Cheng is a board certified internal medicine physician on faculty in the Section of General Internal Medicine at the Boston University Medical Campus. There, she provides direct clinical care for a panel of patients and supervises medical residents in their continuity clinic. Additionally, she supervises general inpatient and medical consultation services at Boston Medical Center, a safety net academic hospital.

Since joining the faculty at Boston University, she has spearheaded several initiatives to improve the curriculum in patient-centered care, which is now an integral part of the medicine clerkship. She is the Course Director for the Academic Half Day program in the Internal Medicine Residency, and is the teaching seminar and education Fellowship Coordinator for the General Internal Medicine Fellowship. Additionally, she is an active mentor of medical students, residents and junior faculty in the areas of medical education and scholarship.

Previously, Dr. Cheng spent 13 years as General Internist and Provider Manager in an underserved community health center in Boston.

Dr. Cheng's interests include medical education and women's health. Currently, she serves as a member of the American Board of Internal Medicine's Internal Medicine Board Exam Committee.

Dr. Cheng received a bachelor's degree in chemistry from Cornell University and her medical degree from the State University of New York at Stony Brook. She completed house staff training at Boston City Hospital (now Boston Medical Center). Dr. Cheng completed a master of science in health services degree at the Boston University School of Public Health and a fellowship in general internal medicine at Boston Medical Center.

As of January 2017, Dr. Teresa Cheng reported no external relationships.

Hollis Day, MD

Dr. Day, who is board certified in Internal Medicine and Geriatric Medicine, is an Associate Professor of Medicine and Chief of Geriatrics at Boston University School of Medicine. She has been in this role since December 2015.

Prior to moving to Boston, Dr. Day was an Associate Professor of Medicine at the University of Pittsburgh School of Medicine. She served as an Advisory Dean, Director of the Advanced Clinical Education Center, and as a member of the inpatient and outpatient teaching faculty for the internal medicine residency.

Dr. Day is a member of the American Board of Internal Medicine's Internal Medicine Board Exam Committee. She was a founding member of the Interprofessional Working Group at the University of Pittsburgh. She also previously served as a Council Member for the Society of General Internal Medicine (SGIM), Chair of the Board of Regional Leaders, and President of the Mid-Atlantic Region for SGIM. She has served on the Education Committee for the American Geriatrics Society.

Dr. Day received an English degree from Johns Hopkins University, a master's of science degree in anatomy from the University of Maryland, and her medical degree from Virginia Commonwealth University. She completed internal medicine residency at the University of Pittsburgh and both general medicine and geriatrics fellowships at the University of Pennsylvania.

As of July 2017, Dr. Day reported no external relationships.

Heather L. Heiman, MD

Dr. Heiman is an Associate Professor of Medicine and Medical Education at the Northwestern University Feinberg School of Medicine. Since 2003, she has provided care for a panel of patients with chronic disease as part of the Division of General Internal Medicine and Geriatrics. She serves as Medical Director of the Clinical Education Center, the standardized patient center for the medical school. She chairs the curriculum committee and the clinical medicine element for Northwestern's integrated undergraduate medical education curriculum. She is board certified in Internal Medicine.

Previously, Dr. Heiman served as a staff physician at Brigham and Women's Hospital and was an Assistant Clerkship Director of the core medicine rotation at Tufts University.

Dr. Heiman is a member of the American Board of Internal Medicine's Internal Medicine Board Exam Committee. She is an active member of the Society of General Internal Medicine (SGIM), where she previously led the Educators of Medical Students interest group. She received the Midwest Clinician Educator Award from SGIM in 2012. She is a fellow of the American College of Physicians.

She received her undergraduate degree from Duke University, where she was an Angier B. Duke scholar, a full-tuition award based on academic merit. She obtained her medical degree from Harvard Medical School and completed her internal medicine residency at Brigham and Women's Hospital.

As of January 2017, Dr. Heiman reported no external relationships.

Robert C. Lichtenberg, MD

Dr. Lichtenberg is an Associate Professor of Internal Medicine and Pediatrics at the Loyola University Medical Center in Maywood, Illinois. He is board certified in Internal Medicine, Pediatrics, Cardiovascular Disease, Nuclear Cardiology and Clinical Lipidology.

From 2004 to 2014, Dr. Lichtenberg was in private practice with Heart Care Centers of Illinois, serving as a staff cardiologist at MacNeal Hospital and RML Specialty Hospital, both in Illinois. From 1989 (after completion of a cardiovascular fellowship) to 2004, he was on the faculty of the Loyola University Chicago Stritch School of Medicine. He served as Director of the Adult Congenital Heart Disease Clinic at Loyola from 1989 to 2004 as well as at the Heart Care Centers of Illinois until 2014.

Dr. Lichtenberg serves on the American Board of Internal Medicine's Internal Medicine Board Exam Committee. He previously served on the American College of Cardiology Consensus Guidelines Committee from 2001 to 2004. He was a member of the Stritch School of Medicine Admissions Committee from 1989 to 2004.

Dr. Lichtenberg received his medical degree from Loyola University Chicago Stritch School of Medicine. He completed his combined residency in internal medicine and pediatrics and his fellowship training in cardiovascular disease at Loyola University Medical Center.

As of January 2017, Dr. Lichtenberg reported no external relationships.

John R. McArdle, MD

Dr. McArdle, who is board certified in Internal Medicine, Pulmonary Disease and Critical Care Medicine, is employed in the full-time clinical practice of Pulmonary and Critical Care Medicine for Connecticut Multispecialty Group, P.C. He is also Chief of the Pulmonary Division at Hartford Hospital and is co-Director of the Marie and Raymond Beauregard Central Connecticut Adult Cystic Fibrosis Program.

Previously, Dr. McArdle was an Associate Professor of Medicine at Yale University School of Medicine in the Section of Pulmonary and Critical Care Medicine. He directed the Yale Adult Cystic Fibrosis Program, served as Medical Director of the Medical Intensive Care Unit and was Clerkship Director for the Yale University School of Medicine Internal Medicine Clerkship.

He is the President of the Connecticut Pulmonary Section of the American Lung Association, and is a member of the American Board of Internal Medicine's Internal Medicine Board Exam Committee. Dr. McArdle received the Yale Department of Internal Medicine Faculty Achievement Award for Outstanding Clinical Care in 2008. He was twice awarded the Attending Teacher of the Year Award by the Yale Internal Medicine Housestaff, and received the Aldo Bellucci Teaching Award from the University of Connecticut Internal Medicine Residency Program in 2012.

Dr. McArdle received a degree in economics and pre-professional studies from the University of Notre Dame and his medical degree from The State University of New York School of Medicine and Biomedical Sciences. He completed his internal medicine residency, chief residency and pulmonary and critical care fellowship training at the Yale University School of Medicine.

As of January 2017, Dr. McArdle reported the following external relationships:

Funding for clinical trial expenses, paid to Connecticut Multispecialty Group, PC, from the following companies:

  • Novartis, for a study comparing inhaled tobramycin powder with other inhaled antipseudomonal antibacterial therapy in patients with cystic fibrosis colonized with chronic respiratory Pseudomonas aeruginosa.
  • Pharmaxis, for a study of inhaled mannitol in patients with cystic fibrosis, co-sponsored by the Cystic Fibrosis Foundation Therapeutic Development Network.

Dr. McArdle serves in significant roles with the following organization(s), receiving reimbursement or compensation as listed:

  • American Lung Association, Executive Committee member for Connecticut Pulmonary Section, without compensation.
  • Cystic Fibrosis Foundation, providing funding for salary support for the Therapeutic Development Program of the Marie and Raymond Beauregard Central Connecticut Adult Cystic Fibrosis Program. Dr. McArdle serves as the Director.

Ashesh D. Patel, MD

Dr. Patel is board certified in Internal Medicine and has been in private practice in Washington, DC, since 2000, and in solo primary care practice since 2006. In addition to practicing full-time, Dr. Patel is an Associate Clinical Professor of Medicine at the George Washington (GW) University School of Medicine and has been a clinical preceptor for GW medical students since 2001. Since 2015, he has also served as a clinical preceptor for nurse practitioner students from Georgetown University School of Nursing.

Currently, Dr. Patel serves as a member of the Internal Medicine Board Exam Committee of the American Board of Internal Medicine. He is an active Fellow in the American College of Physicians (ACP) and currently serves as Governor of the ACP's DC chapter. Previously, Dr. Patel was given the Chapter Leadership Award for the ACP DC chapter. He is an active member of the Medical Society of the District of Columbia (MSDC) and previously served on MSDC's Professional Standards Committee. Dr. Patel is also active with the American Medical Association (AMA) and currently is a member of the AMA's Solo/Small Practice Physicians Think Tank Group. Dr. Patel received the Golden Apple Award from the GW's chapter of the Student National Medical Association and was elected to Phi Beta Kappa at the University of Cincinnati.

Dr. Patel graduated summa cum laude with a degree in political science from the University of Cincinnati McMicken College of Arts & Sciences and continued on to receive his medical degree from the University of Cincinnati College of Medicine. He completed his categorical residency in internal medicine at George Washington University School of Medicine & Health Sciences.

As of January 2017, Dr. Patel reported the following external relationships:

Dr. Patel serves in significant roles with the following organization, receiving reimbursement or compensation as listed:

  • American College of Physicians, Governor of Washington, DC Chapter, without compensation.

Ritesh B. Patel, MD

Dr. Patel is an Assistant Professor of Medicine at Cooper Medical School of Rowan University. He is a board certified general internist within the Division of Hospital Medicine. Dr. Patel is involved in medical education at both the student and resident level and has special interest in preventive medicine, medical education, clinical skills and clinical research. He has been involved in multiple quality improvement and education committees.

Dr. Patel serves as co-Director of the Foundation of Medical Practice curriculum at Cooper Medical School of Rowan University. He has been also successfully serving as a Clerkship Director for internal medicine fourth-year clerkship. As an Associate Program Director at Cooper, Dr. Patel oversees resident simulation laboratory exercises, evidence-based physical diagnosis and weekly updates on high-yield articles from journals.

He is a member of the Society of Hospital Medicine and the American College of Physicians and serves on the American Board of Internal Medicine Internal Medicine Board Exam Committee. Dr. Patel has won multiple teaching excellence awards in his young career.

He graduated from Gujarat University, India, and completed his internal medicine residency training at Cooper University Hospital.

As of January 2017, Dr. Patel reported no external relationships.

John Raimo, MD

Dr. Raimo is an Assistant Professor of Medicine and the Site Director at Long Island Jewish Medical Center for the internal medicine residency program at Hofstra Northwell School of Medicine. He is board certified in Internal Medicine.

Currently, Dr. Raimo serves as a member of the American Board of Internal Medicine's Internal Medicine Board Exam Committee. He serves as a Physician Councilor for the New York Special Interest Group of the Association of Program Directors in Internal Medicine and has presented at their regional and national conferences. Dr. Raimo has completed the Association of American Medical College's Teaching for Quality faculty development course and serves on numerous Quality Improvement and Patient Safety committees within his health system. Dr. Raimo is a fellow of the American College of Physicians and a member of the Society of Hospital Medicine.

Dr. Raimo received his medical degree from New York Medical College. He completed his residency at Hofstra North Shore-LIJ School of Medicine (now Hofstra Northwell School of Medicine) where he also served as chief resident.

As of July 2017, Dr. Raimo reported no external relationships.

Amy Robertson, MD

Dr. Robertson is an adult hospitalist at Munson Medical Center in Traverse City, Michigan. She is also serves as the Clinical Liaison for iNDIGO Health Partners, a multi-site physician-owned hospitalist company, where she works on quality improvement and administrative hospitalist projects.

Previously, she was the medical director for the hospitalist program at Northern Hospital of Surry County, a community hospital in Mount Airy, North Carolina. Prior to becoming a hospitalist, she spent five years as a primary care internist providing both inpatient and outpatient care to patients in rural North Carolina.

Dr. Robertson is a member of the American Board of Internal Medicine Internal Medicine Board Exam Committee. She is board certified in Internal Medicine.

She received an English degree with honors from Duke University in 1995. She received her medical degree from Michigan State University College of Human Medicine in 1999, where she was also inducted into Alpha Omega Alpha honor society. Dr. Robertson completed her internal medicine residency at Wake Forest University Baptist Medical Center in Winston-Salem, North Carolina in 2002.

As of July 2017, Dr. Robertson reported no ongoing external relationships.

Syed H. Shah, MD

Dr. Shah is Assistant Professor in General Internal Medicine and Hospital Medicine at Rush University Medical Center, Chicago, Illinois. He is actively involved in Rush Medical College as a Block Administrator and Course Director in the Pre-Clinical Curriculum. He is board certified in Internal Medicine.

Dr. Shah has been the recipient of numerous teaching and faculty awards, including in 2012 the Phoenix Award, given by the graduating medical school class for excelling in medical education and for exhibiting the professional and personal qualities that physicians should strive to attain.

In 2014 he was selected as the attending faculty recipient of the first annual Rush Medical College Positive Learning Environment Award. Dr. Shah has been a member of the American Board of Internal Medicine's Internal Medicine Board Exam Committee for five years.

Dr. Shah is a graduate of the Chicago Medical School, Rosalind Franklin University. He did his residency in internal medicine at Rush University Medical Center, where he was a Chief Resident.

As of January 2017, Dr. Shah reported no ongoing external relationships.

Rachel P. Simmons, MD

Dr. Simmons is an Assistant Professor of Medicine and an Associate Program Director for the Residency Program in Internal Medicine at Boston University. She is focused on resident evaluation and assessment and led the implementation of the milestones component of the Next Accreditation System developed by the Accreditation Council for Graduate Medical Education.

Previously, she served as Chief Resident at the Massachusetts General Hospital. She was awarded the Flora Roberts Award for Outstanding Graduating Woman at Purdue University. Dr. Simmons is a member of the American Board of Internal Medicine Internal Medicine Board Exam Committee. She is certified in both Internal Medicine and Infectious Disease.

Dr. Simmons graduated with highest distinction from Purdue University with a bachelor's degree in chemical engineering and then obtained her medical degree from Johns Hopkins University. She completed her internal medicine residency training and infectious diseases fellowship at the Massachusetts General Hospital.

As of January 2017, Dr. Simmons reported the following external relationships:

Work as an author or editor for following companies, with compensation as listed:

  • DynaMed, receiving compensation for reviewing and editing topics in infectious disease.
  • British Medical Journal, receiving compensation for authorship regarding liver abscess in Best Practice.
  • Dr. Simmons also reported serving as a member of the Infectious Diseases Society of America Continuing Medical Education Subcommittee.

Katherine M. Tynus, MD

Dr. Tynus is a board certified internist and an Assistant Professor in the Department of Internal Medicine at Northwestern Memorial Hospital.

She has had a long career in academic medicine, leading a successful transitional year residency program for 13 years. Dr. Tynus formerly co-chaired the Council of Transitional Year Program directors and was recently appointed to the Accreditation Council for Graduate Medical Education Transitional Year Review Committee. In 2004, the American Medical Association honored Dr. Tynus with the AMA Physician's Recognition Award. Dr. Tynus has also been awarded both a Gold and Silver Apple Award for teaching.

In 2010, she was appointed to the American Board of Internal Medicine's Internal Medicine Board Exam Committee. Active in organized medicine, Dr. Tynus serves as President of the Chicago Medical Society and is a trustee of the Illinois State Medical Society. She is a fellow in the American College of Physicians (ACP) and served as Chair of the Education Committee for the ACP's Northern Illinois Chapter.

After graduating from Northwestern University, majoring in speech and communications, Dr. Tynus earned her medical degree at the University of Illinois. She then completed an internal medicine residency at Loyola University. Her research interests include barriers to breast cancer screening and helping medical students improve their history-taking skills.

As of January 2017, Dr. Tynus reported the following external relationships:

Dr. Tynus serves in significant roles with the following organizations, receiving reimbursement or compensation as listed:

  • Chicago Medical Society, President, Board of Trustees, receiving honoraria.
  • Dr. Tynus receives compensation for attending Humana peer-review committee meetings.

Christopher M. Walsh, MD

Dr. Walsh, a board certified internist, is the founding physician and Medical Director of the Virginia Hospital Center Physician Group-Primary Care Arlington. In addition, he is a Clinical Assistant Professor of Medicine at the Georgetown University School of Medicine, serving as an instructor for medical students during their outpatient medicine clerkship. He served as the Team Internist for the Washington Capitals professional hockey team from 2006 to 2014.

Dr. Walsh is a member of the American Board of Internal Medicine (ABIM) Internal Medicine Board Exam Committee. Previously, he was a member of the ABIM Supplemental Test Writing Committee. Within Virginia Hospital Center's Physician Group, Dr. Walsh serves as the Chair of the Electronic Health Records Committee, and is an active member of the Quality Committee. He has served on the Resource Utilization, Credentials and By-Laws Committees for the hospital. Dr. Walsh is a fellow of the American College of Physicians and an active member of the Virginia and Arlington County Medical Societies, Alpha Omega Alpha Medical Honor Society and American Medical Association.

A graduate of Georgetown University with a major in biology, Dr. Walsh continued his studies at the Georgetown University School of Medicine. Dr. Walsh completed his internal medicine training at Mount Sinai Hospital in New York City.

As of January 2017, Dr. Walsh reported no external relationships.