Christopher Duke, MD is a second-generation physician and native Washingtonian. His parents practiced medicine in Washington for four decades. Chris has practiced internal medicine here for 30 years. He attended George Washington University for his undergraduate and medical degrees. He completed Internal Medicine training at Penn State University. Chris practices evidence-based medicine while emphasizing empathy for his patients and their families. He personally knows and refers patients to the many outstanding specialists in Washington. He is excited to team with his patients to optimize their health and enjoyment of life. He has taught medical students at George Washington as an associate professor of medicine. He has been recognized by Washingtonian Magazine as a “Top Doctor” including in 2022. Outside of work, he enjoys traveling with wife Lilian and children Jacqueline and James. He loves attending Notre Dame football games and spoiling his pugs- Mini and Rockne! LinkedIn https://www.linkedin.com/in/christopher-duke-md-1126314. Dr. Duke is rated as an Advanced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Rabson-Mendenhall Syndrome, Vitamin B12 Deficiency, Subacute Combined Degeneration, and Cellulitis.

Nayo Wills is a primary care provider, practicing in Internal Medicine in Washington, Washington, D.c.. Dr. Wills is rated as an Advanced provider by MediFind in the treatment of Vitamin B12 Deficiency. Her top areas of expertise are Peripheral Neuropathy, Memory Loss, Premenstrual Syndrome, and Autosomal Recessive Hypotrichosis. Dr. Wills is currently accepting new patients.

Michelle Gaskins-Craig is a primary care provider, practicing in Family Medicine in Washington, Washington, D.c.. Dr. Gaskins-Craig is rated as an Advanced provider by MediFind in the treatment of Vitamin B12 Deficiency. Her top areas of expertise are Gout, Obesity, Genital Herpes, and Vulvovaginitis.

"Dr. Rachit Kumar is a radiation oncologist specializing in genitourinary and gastrointestinal cancers. He is dedicated to patient-centered care, finding the most effective outcome for each patient and using the latest advances to minimize treatment time and side-effects. Dr. Kumar is frequently published in peer-reviewed journals on new methods of radiation therapy and the benefits to patient outcomes. He is a member of the Johns Hopkins Kimmel Cancer Center and treats patients at both Sibley Memorial Hospital and Suburban Hospital. Selected Publications Kumar R, Tchelebi LT, Anker CJ, Sharma N, Bianchi NA, Dragovic J, Goodman KA, Herman JM, Jiang Y, Jones WE, Kenney TJ, Lee P, Kundranda MK, Russo S, Small W, Suh WW, Yee N, and Jabbour SK. “American Radium Society (ARS) Appropriateness Use Criteria (AUC) for Loco-Regional Gastric Adenocarcinoma: Systemic Review and Guidelines.” American Journal of Clinical Oncology. 2022 Sep 1;45(9):391-402. Rooney MK, Traube B, Khan MK, Kumar R, and Walker GV. “Factors associated with image guided radiation therapy image rejection in a multi-site institution.” JCO Oncology Practice. Tang C, Hoffman KE, Allen PK, Gabel M, Schreiber D, Choi S, Chapin BF, Nguyen QN, Davis JW, Frank SJ, Navai N, McGuire SE, Anscher M, Pisters L, Pettaway CA, Kumar R, Linson P, Tripuraneni P, Tomaszewski JJ, Patel AB, Augspurger M, and Kuban DA. “Contemporary Prostate Cancer Treatment Choices in Multidisciplinary Clinics Referenced to National Trends.” Cancer. Tang C, Lei X, Smith GL, Pan HY, Hoffman K, Kumar R, Chapin BF, Shih YC, Frank SJ, and Smith BD. ""Influence of Geography on Prostate Cancer Treatment Coice: An Analysis of the National Medicare Database."" International Journal of Radiation Oncology Biology Physics. Tang C, Sherry AD, Haymaker C, Bathala T, Liu S, Fellman B, Aparicio A, Zurita-Saavedra A, Chun S, Reddy J, Choi S, Ghia A, McGuire S, Efstathiou E, Wang J, Wang J, Tu SM, Pilie P, Kovitz C, Kumar R, Roberts T, Borghero Y, Shi Z, Chapin B, Gomez D, Wistuba I, Corn and PG. “Addition of local consolidative therapy to intermittent hormone therapy for oligometastatic prostate cancer (EXTEND): a multicenter randomized phase II basket trial.” JAMA Oncology.". Dr. Kumar is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Pancreatic Cancer, Familial Pancreatic Cancer, Pancreatoblastoma, and Prostate Cancer.

Lucy Chang is a primary care provider, practicing in Internal Medicine in Washington, Washington, D.c.. Dr. Chang is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. Her top areas of expertise are Vitamin D Deficiency, High Cholesterol, Vitamin B12 Deficiency, and Glossitis.

Victor Herry is an Allergy and Immunologist in Washington, Washington, D.c.. Dr. Herry is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Sinusitis, Asthma in Children, Asthma, and Grass Allergy. Dr. Herry is currently accepting new patients.

Kristin Yamamoto is a primary care provider, practicing in Rheumatologist in Washington, Washington, D.c.. Dr. Yamamoto is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. Her top areas of expertise are Sitosterolemia, Postmenopausal Osteoporosis, Osteoporosis, and High Cholesterol.

Yudh Gupta is a Nephrologist in Washington, Washington, D.c.. Dr. Gupta is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are End-Stage Renal Disease (ESRD), Chronic Kidney Disease, High Potassium Level, Gastrostomy, and Endoscopy.

Ravi Sarma is a Hematologist Oncology specialist and a Hematologist in Washington, Washington, D.c.. Dr. Sarma is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Anemia, Breast Cancer, Thrombocytopenia, and Paget Disease of the Breast.

Dr. David M. Hansen is an internist affiliated with Sibley Memorial Hospital and Georgetown University Hospital. He practices out of Foxhall Internists in Washington, D.C. Dr. Hansen’s clinical interests range from preventive care to long-term management of chronic conditions, such as diabetes, hypertension and heart failure. Dr. Hansen earned his undergraduate degree from Harvard College and his medical degree from Johns Hopkins University School of Medicine. He completed a residency in internal medicine at Stanford University School of Medicine. Dr. Hansen previously served as clinical faculty of Stanford Medical School and practiced at the Stanford-affiliated Menlo Medical Clinic. Dr. Hansen has been named a Top Internist by Washingtonian magazine and Consumers’ Checkbook magazine. He has also been named one of the Best Doctors in America and a Super Doctor by the Washington Post magazine. Dr. Hansen is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Alcoholic Cirrhosis, High Cholesterol, Homocystinuria, and Methylmalonic Acidemia with Homocystinuria.

Joel Taubin is a Pulmonary Medicine provider in Washington, Washington, D.c.. Dr. Taubin is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Irregular Sleep-Wake Syndrome, Empyema, Vitamin B12 Deficiency, and Muscle Spasms.

John Yerg is a Pulmonary Medicine provider in Washington, Washington, D.c.. Dr. Yerg is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Lung Nodules, Bronchiectasis, Vitamin B12 Deficiency, and Lung Metastases.

Theodore Li is a primary care provider, practicing in Internal Medicine in Washington, Washington, D.c.. Dr. Li is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Chronic Cough, Fainting, Hypothyroidism, and Obesity in Children.

Dr. Marta A. Schneider is an internist affiliated with Sibley Memorial Hospital. She has a private practice in Washington, D.C. Dr. Schneider earned her medical degree from George Washington University School of Medicine. She completed a residency in internal medicine at St. Francis Hospital Medical Center. Dr. Schneider is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. Her top areas of expertise are Rickets, Osteomalacia, Frequent or Urgent Urination, Enlarged Liver, and Ureteroscopy.

Farooq Sheikh is a Cardiologist in Washington, Washington, D.c.. Dr. Sheikh is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Sarcoidosis, Heart Failure, Cardiomyopathy, Heart Transplant, and Cardiac Ablation.

Travis Maestas is a primary care provider, practicing in Internal Medicine in Washington, Washington, D.c.. Dr. Maestas has been practicing medicine for over 10 years and is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Vitamin B12 Deficiency and Vitamin B12 Deficiency Anemia.

Dr. Lawrence E. Klein is an internist affiliated with Sibley Memorial Hospital; Johns Hopkins Hospital, where he holds a part-time faculty appointment; and Georgetown University Hospital, where he also holds a faculty appointment. He practices out of Foxhall Internists in Washington, D.C. Dr. Klein completed a joint M.D.-Ph.D. program at Johns Hopkins University School of Medicine, where he was elected into the AOA Medical Honor Society. He completed a residency in internal medicine at Strong Memorial Hospital of the University of Rochester, followed by a fellowship in internal medicine at Johns Hopkins Hospital. Dr. Klein was one of the country’s first Henry J. Kaiser Foundation fellows in internal medicine. He went on to serve as a full-time Johns Hopkins medical faculty member. Dr. Klein previously served as the president of the D.C. Society of Internal Medicine and the governor of the D.C. Chapter of the American College of Physicians. Dr. Klein has been repeatedly named a Top Doctor in Washingtonian magazine and Consumers’ Checkbook magazine, as well as named a Super Doctor in the Washington Post magazine and one of the Best Doctors in America. He was awarded the American College of Physicians John H. Maher Laureate Award in 2001 and inducted as a Master of the American College of Physicians in 2009. Dr. Klein has contributed to numerous publications and presentations, abstracts and posters, and lectures on various topics. Dr. Klein is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Chronic Lymphocytic Leukemia (CLL), Chronic B-Cell Leukemia (CBCL), Richter Syndrome, and Familial Hypertriglyceridemia.

Cleveland Williams is a General Surgeon in Washington, Washington, D.c.. Dr. Williams is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Vitamin B12 Deficiency, Obesity, Muscle Spasms, and Peripheral Artery Disease.

Dr. Joshua S. Yamamoto is a cardiologist affiliated with Sibley Memorial Hospital and Georgetown University Hospital. He practices out of Foxhall Medicine in Washington, D.C. Dr. Yamamoto earned his undergraduate degree from Princeton University and his medical degree from Dartmouth Medical School. He completed a residency in internal medicine at Johns Hopkins Health System, followed by a fellowship in cardiology at Georgetown University Hospital and a fellowship in cardiovascular disease at National Naval Medical Center. Dr. Yamamoto went on to serve in the United States Navy for eight years. During this time, he served as the director of cardiac imaging at Bethesda Naval Hospital, the cardiology consultant for the attending physician to Congress, the head of cardiology training and supported cardiac needs in the war zone of Kuwait in 2005. Dr. Yamamoto is a fellow of the American College of Cardiology. Dr. Yamamoto has been named a Top MD by Consumers’ Checkbook Magazine and a 2012 Top Doctor in the Washington, D.C. and Washington-Baltimore areas by Castle Connolly. LinkedIn https://www.linkedin.com/in/joshua-yamamoto-64abaa115/. Dr. Yamamoto is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Sick Sinus Syndrome, Arrhythmias, Carotid Artery Disease, and Hypertensive Heart Disease.

Kevin Nealon is a primary care provider, practicing in Internal Medicine in Washington, Washington, D.c.. Dr. Nealon is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Chronic Cough, Vertigo, Fainting, and Hyperlipidemia Type 3.