Learn more about the doctors and physician's assistants at Internal Medicine & Allergy Associates.

Dr. Robert Enelow -

Dr. Enelow received his B.A. in Political Science from Dartmouth College and his M.D. from Tulane University Medical School. He completed his medical residency in 1988 from the Washington Hospital Center in Washington, D.C. He is a former teaching attending at the Georgetown Medicine Program at D.C. General Hospital and a former medical director at Health Care for the Homeless in Washington, D.C. 

Dr. Enelow is a Fellow of the American College of Physicians. He has been published in a peer reviewed journal. He is currently an Assistant Clinical Professor at Georgetown University and a medical reviewer for the Annals of Internal Medicine. He has been named a "top doctor" in Washingtonian Magazine. He has also been elected to the Town Council of Chevy Chase, Maryland. He is married and has three children.


Dr. Stuart Henochowicz -

Dr. Henochowicz completed a combined B.S.-M.D. program in 1981, earning a B.S. degree in Chemistry, summa cum laude from C.U.N.Y. Brooklyn College and an M.D. degree from S.U.N.Y. Downstate Medical School. Dr. Henochowicz received an MBA in the Business of Medicine program at Johns Hopkins University. He is a member of Phi Beta Kappa. Dr. Henochowicz is board certified in Internal Medicine and Allergy/Immunology. He is a former chief medical resident at the Washington Hospital Center. He did his allergy training at the National Jewish Center and the University of Colorado. He is a former Assistant Clinical Professor at U.M.D.N.J. in New Brunswick, N.J. and a former Senior Staff Attending at the National Institutes of Health in Bethesda, Md.

Dr. Henochowicz is an Associate Clinical Professor at Georgetown University Medical School, an Assistant Clinical Professor of Health Sciences at the George Washington University, and an Associate Professor of Medicine at the Virginia Commonwealth University School of Medicine. He has taught Health Care Policy at the School of Professional Studies of Trinity University in Washington, D.C. In recognition of his publications and academic leadership, Dr. Henochowicz was elected a Fellow of the American College of Physicians.  He is currently Vice-Chair of the Health and Public Policy Committee of the Virginia American College of Physicians, and is a member of its Governor’s Council.

Dr. Henochowicz has been listed among the top doctors in the Washington, D.C. area by Washingtonian Magazine and Washington Consumer's Checkbook. Dr. Henochowicz is married and has four children.


Sarah Crosswhite, PA-C -

Sarah Crosswhite is a 2006 graduate of George Washington University, where she received her master’s degree in Physician Assistant Studies. She holds a B.A. in Biomedical and Health Sciences from the Grand Valley State University in Allendale, Michigan, where she graduated magna cum laude in 2004. In recognition of her superior scholarship, she has been inducted into the Alpha Eta Honor Society for graduates in allied health. She is a member of the American Academy of Physician Assistants.


Nathan McGwin, PA-C -

Nathan McGwin is a 2013 graduate of George Washington University where he received his Master's degree in Physician Assistant Studies. Nathan also holds a B.S. in Exercise and Sport Science from the University of Wisconsin- La Crosse where he graduated with Highest Honors in 2008. In recognition of his academic excellence at George Washington University, he was inducted into the Alpha Eta Honor Society for graduates in allied health fields. Nathan is a member of the American Academy of Physician Assistants, and is also a member and Certified Strength and Conditioning Specialist through the National Strength and Conditioning Association. He was born and raised on a family farm in Wisconsin, is married and enjoys watching movies and outdoor activities in his free time.


Phornphan Homiak, PA-C - 

Phornphan Homiak received her B.A. in Human Biology from Stanford University in 1994 and her B.S. in Physician Assistant Studies from James Madison University in 2003. Phornphan has practiced in a range of specialties including pediatrics and gastroenterology. She is a member of the American Academy of Physician Assistants. Phornphan has lived across the United States and abroad as a military spouse. She has two children, and enjoys traveling and learning new languages.