Residency Leadership

Natelson, Ethan
Ethan A. Natelson, MD
Interim Program Director, Internal Medicine Residency
Dr. Natelson is a graduate of Haverford College and Baylor Medical School and is Board Certified in Internal Medicine and Hematology.  He is currently Professor of Clinical Medicine at Weill Cornell Medical College and with similar appointments to the Houston Methodist Institute for Academic Medicine and with adjunct Professorships at the Texas A&M Medical School and the University of Texas Medical Branch.  Dr. Natelson is Chairman of one of two Institutional Review Boards (IRBs) at HMH.  He has previously held academic faculty appointments to Baylor Medical School and The University of Texas Medical School at Houston and continues as a long-time Board member of the Gulf Coast Regional Blood Center where he is Chair of the Education and Research Committee.  For more than 40 years Dr. Natelson was the Director of the Transitional Residency Program, first at St. Joseph Hospital in Houston and then continuing in this position with transfer of the residency program to Houston Methodist Hospital.

Colton, Lara
Lara Colton, MD, FACP
Associate Program Director, Internal Medicine Residency

Dr. Colton is a native Houstonian and has trained and worked in the Texas Medical Center since beginning medical school at UT-Houston. After graduating she stayed to complete her Internal Medicine Residency training and then joined the faculty of Baylor College of Medicine as an instructor and then Assistant Professor at the VA Hospital serving as a clinician educator. In 2008 Dr. Colton joined Houston Methodist Hospital as an academic general internist and obtained a faculty appointment of Assistant Professor of Medicine for Weill Cornell Medical College. In 2009 she graduated from Educational Scholars Fellowship Program, a two-year fellowship for clinician educators dedicated to enhancing their knowledge of educational principles and improving practical teaching skills including lecturing, evaluation, and mentorship. In 2010 she became Assistant Program Director and was promoted to Associate Program Director in 2012.  Dr. Colton has a strong interest in academic medicine and regularly staffs the Primary Care Clinic (PCC) and rounds frequently on the general medicine ward teams as attending for the University Teaching Service (UTS).

Awar, Melina
Melina Awar, MD, FACP
Associate Program Director, Internal Medicine Residency
Division Head, Hospital Medicine

Dr. Awar earned her medical degree with AOA honors from the University of Hawai’i John A. Burns School of Medicine. She continued on to complete her internship and residency in Internal Medicine at UCLA Medical Center in Los Angeles, California where she also served an additional year as Chief Resident for the Department of Medicine. Dr. Awar is an Assistant Professor of Clinical Medicine for Weill Cornell Medical College and is currently the Division Head for Hospitalist Medicine at Houston Methodist Hospital. In 2015 Dr. Awar was promoted to Associate Program Director of the Internal Medicine Residency Program. Along with her duties as an academic hospitalist for the University Teaching Service, Dr. Awar is active in graduate medical education and provides bedside and classroom instruction to internal medicine residents and medical students. She is board certified in internal medicine, and is a Fellow of the American College of Physicians and a member of the Society of Hospital Medicine. Dr. Awar is a member of several hospital committees focused on quality management and organizational performance. Dr. Awar was awarded the General Internal Medicine Teaching Award three years in a row (2012-2014) as well as the Edward C. Lynch Teacher of The Year Award for the past three years (2013-2015).

Clewing, J. Marietta
J. Marietta Clewing, MD
Assistant Program Director, Internal Medicine Residency
Clerkship Director, Internal Medicine
Dr. Clewing, MD is a board-certified Internist who joined the Department of Medicine in 2009 as an Instructor in Clinical Medicine. She currently serves as our Medical Student Clerkship Director. Dr. Clewing received her Medical Degree from the Freie Universität in Berlin, Germany and completed the residency program in Internal Medicine at Jacobi-Einstein College of Medicine in the Bronx, New York. At graduation, she received the Ambulatory Care Resident of the Year Award. Dr. Clewing has a strong interest in medical education and is working as an attending physician on the University Teaching Service. She is a member of the Residency Evaluation Committee and the Resident Mentorship Program. Throughout her career, Dr. Clewing had a strong interest in clinical and experimental research resulting in various publications and national and international presentations. Prior to entering her residency program, Dr. Clewing held a research appointment in genetics at Baylor College of Medicine. In 2010-2011 Dr. Clewing was the recipient of the General Internal Medicine Teaching Award as well as the Junior Clinical Instructor Award. She was awarded the Junior Clinical Instructor Award again for 2011-2012.

Key Faculty & Subspecialty Education Coordinators