. Dr. Handy is rated as an Experienced provider by MediFind in the treatment of Vitamin D Deficiency. His top areas of expertise are Spinocerebellar Ataxia Type 12, Spinocerebellar Ataxia Type 15, Spinocerebellar Ataxia Type 8, and Spinocerebellar Ataxia Type 10.

Dr. Vera L. Sheen is a Johns Hopkins Community Physician practicing out of Sibley Primary Care located in Sibley Memorial Hospital’s Medical Building in Washington, D.C. She is affiliated with Georgetown University Hospital as well. Dr. Sheen has an expertise in internal medicine. Dr. Sheen earned her medical degree from University of Kentucky College of Medicine. She completed a residency in internal medicine at Barnes-Jewish Hospital. Dr. Sheen is rated as a Distinguished provider by MediFind in the treatment of Vitamin D Deficiency. Her top areas of expertise are Vitamin D Deficiency, High Cholesterol, Vitamin B12 Deficiency Anemia, and Folate Deficiency.

Bibhuti Mishra is a Neurologist in Mc Lean, Virginia. Dr. Mishra is rated as an Experienced provider by MediFind in the treatment of Vitamin D Deficiency. His top areas of expertise are Acute Cerebellar Ataxia, Supranuclear Ophthalmoplegia, Supranuclear Ocular Palsy, and Progressive Supranuclear Palsy.

Wasel Akbary, M.D., is an internal medicine provider with Johns Hopkins Community Physicians. Dr. Akbary received his medical degree from University of New England in Biddeford, Maine in 1995. He went on to complete his internal medicine residency program at St. Elizabeth’s Medical Center, a Tufts University Medical School Residency program, in Boston, Massachusetts. Dr. Akbary later completed his fellowship in Preventive Medicine with a Geriatric Medicine certificate program from Boston Medical Center, Boston University School of Medicine. Dr. Akbary enjoys the holistic approach to treating his patients. He loves the challenge of treating a variety of health conditions. Having the opportunity to make a difference in his patients’ mental and physical health brings him tremendous enjoyment. He and his wife have been married for almost 20 years and have three beautiful children. His oldest daughter graduated from Virginia Tech, his second daughter is studying at the University of Virginia, and his youngest son is in high school. In his free time, Dr. Akbary enjoys the outdoors – regularly going for long walks, hiking, biking and playing soccer with friends. Dr. Akbary is rated as an Experienced provider by MediFind in the treatment of Vitamin D Deficiency. His top areas of expertise are Familial Hypertension, Hypertension, Glucocorticoid-Remediable Aldosteronism, and Type 2 Diabetes (T2D).

Dr. Andrew Wong graduated from Tufts University School of Medicine in Boston and completed his internship and residency in internal medicine at Georgetown University Hospital in Washington, DC. In addition to his traditional medical training, he has special expertise in integrative and functional medicine with a focus on optimal health and wellness. Dr. Wong believes healing is achieved by combining a systems biology approach to health and illness, called integrative and functional medicine, which emphasizes personalized lifestyle and nutritional changes. A community of practitioners, focusing on healing, can assist patients in cultivating a whole-person balance of mind, body, and spirit. Dr. Wong is a fellowship graduate of the University of Arizona’s Center for Integrative Medicine, and has completed training overseen by the Institute for Functional Medicine and the Kalish Institute. In his spare time, he enjoys running, meditation, yoga, cooking, and spending time with his lovely wife and 2 young children. Dr. Wong is rated as an Experienced provider by MediFind in the treatment of Vitamin D Deficiency. His top areas of expertise are Hashimoto Thyroiditis, Gas Bloat Syndrome, Irritable Bowel Syndrome (IBS), and Heavy Metal Poisoning.

Dr. James T. Williams is a primary care physician affiliated with Sibley Memorial Hospital. He is a physician at Complete Concierge Care, a concierge medical group located in Sibley Memorial Hospital’s Medical Building. Dr. Williams was previously the medical director of the Johns Hopkins Community Physicians group at Sibley Memorial Hospital. Dr. Williams earned his undergraduate degree from the University of Virginia and his medical degree from the Virginia Commonwealth University School of Medicine. He completed his residency in family medicine with the Georgetown University department of family medicine, where he served as chief resident. Prior to joining Johns Hopkins Health System, Dr. Williams worked in a private practice with his father for ten years. Dr. Williams has been named a Top MD by Washingtonian Magazine perennially since 2014 and Consumers’ Checkbook Magazine, in addition to winning the Patient's Choice Award numerous times. He has served as a Clinical Professor of Family Medicine for both Georgetown and George Washington Medical Schools, as a trustee of the Sibley Memorial Hospital Foundation, and as a Trustee of Iona Senior Services. Jim is a native Washingtonian. He and his wife Jenny have lived in N.W. Washington D.C. since 2000 and have 4 adult children. Recent News Articles and Media Coverage Concierge Medicine Grows to Meet Patient Demands and Physician Frustrations. WTOP (02/04/2015) The Plight of Primary Care, Part 1 — ITT Episode 12, New England Journal of Medicine (July 6, 2023). Dr. Williams is rated as an Experienced provider by MediFind in the treatment of Vitamin D Deficiency. His top areas of expertise are Chronic Cough, Familial Hypertension, Glucocorticoid-Remediable Aldosteronism, and Hypertension.

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 Experienced provider by MediFind in the treatment of Vitamin D Deficiency. His top areas of expertise are Rabson-Mendenhall Syndrome, Vitamin B12 Deficiency, Subacute Combined Degeneration, and Cellulitis.

Dr. Andrea D. Hulse-Johnson is an internist at Sibley Memorial Hospital. She provides outpatient primary care to adults for prevention guidance and chronic disease management. Dr. Hulse-Johnson is a Sibley Primary Care physician who practices out of Sibley Memorial Hospital’s Medical Building, suite 300. Dr. Hulse-Johnson earned her medical degree from A.T. Still University Kirksville College of Osteopathic Medicine. She completed a family practice residency at West Jersey Hospital – Virtua Health. Dr. Hulse is rated as an Experienced provider by MediFind in the treatment of Vitamin D Deficiency. Her top areas of expertise are Familial Hypertension, Glucocorticoid-Remediable Aldosteronism, Hypertension, and Enlarged Liver.

A third-generation Medical Doctor, Dr. Tabacco grew up watching his grandfathers, uncles, and father care for patients at their family home and for the communities they loved. Dr. Tabacco strives for this ideal of being available and offering care to the community he grew up in. Having conducted his training in the Navy medical education system as well as locally at the University of Maryland/Union Memorial Hospital, Dr. Tabacco enjoys the internist role as a center of community health, fielding daily minor concerns as well as more pressing medical issues that occasionally involve a higher level of hospital care. In order to care for all of his patient's medical and physical concerns, Dr. Tabacco spent a year of fellowship training with the Navy posted at Naval Hospital Pensacola/ Andrews institute to be able to help patients with muscle and joint pains as they age and enhance nutritional goals. While Working at Naval hospital Pensacola Dr. Tabacco developed a passion for caring for service men and women and continues this dedication by educating military first responders through his professorship at the George Washington University School of Medicine. Dr. Tabacco's goal is to keep all patients healthy and active through exercise and nutrition as they age. Dr. Tabacco continues to serve as an adjunct professor at GW University School of Medicine and Medical Director for the GW university Athletic department. He has been honored by my peers as a Washingtonian Magazine Top Doctor over the past three years. Dr. Tabacco is rated as an Experienced provider by MediFind in the treatment of Vitamin D Deficiency. His top areas of expertise are Bursitis, Tendinitis, Pediatric Low-Grade Glioma (pLGG), and Baker Cyst.

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 D Deficiency. Her top areas of expertise are Rickets, Osteomalacia, Frequent or Urgent Urination, Enlarged Liver, and Ureteroscopy.

William Richter is an Intensive Care Medicine provider in Arlington, Virginia. Dr. Richter is rated as an Experienced provider by MediFind in the treatment of Vitamin D Deficiency. His top areas of expertise are Lung Metastases, Bronchiectasis, Asthma, Asthma in Children, and Endoscopy.

Mark Jennings is an Intensive Care Medicine provider in Arlington, Virginia. Dr. Jennings is rated as an Experienced provider by MediFind in the treatment of Vitamin D Deficiency. His top areas of expertise are Cystic Fibrosis, Secondary Immunodeficiency (SID), Newborn Jaundice, and Jaundice.

Victor Priego is a Hematologist Oncology specialist and an Oncologist in Bethesda, Maryland. Dr. Priego is rated as an Experienced provider by MediFind in the treatment of Vitamin D Deficiency. His top areas of expertise are Myelodysplastic Syndrome (MDS), Anemia, Hemangioma Thrombocytopenia Syndrome, Thrombocytopenia, and Splenectomy.

Rahul Gandhi is a primary care provider, practicing in Family Medicine in Bethesda,, Maryland. Dr. Gandhi is rated as an Experienced provider by MediFind in the treatment of Vitamin D Deficiency. His top areas of expertise are High Cholesterol, Ruvalcaba Syndrome, Tourette Syndrome, and Heart Tumor.

"Dr. Gary Roggin is a gastroenterologist in Bethesda, Maryland. He received his medical degree from University of Michigan Medical School and has been in practice for more than 40 years. Dr. Roggin is one of 22 doctors at Suburban Hospital who specialize in gastroenterology. Dr. Roggin truly cares about his patients and will do his best to pinpoint the real cause of your medical problems, tirelessly working with you to resolve your medical issues. He will take the time to understand your medical history to help you maintain a healthy diet and lifestyle. Videos 2015 Clinical Collaboration and Teamwork Award - Gary Roggin, M.D., Pharmacy Team, Suburban Hospital Selected Publications Roggin, G. M. ""Medicare managed care. How physicians can make it better."" Gastroenterol Clin North Am Mautner, G. C., Mautner, S. L., Lin, F., Roggin, G. M., Roberts, W. C. ""Amounts of coronary arterial luminal narrowing and composition of the material causing the narrowing in Buerger's disease."" Am J Cardiol Roggin, G. M., Iber, F. L., Kater, R. M., Tabon, F. ""Malabsorption in the chronic alcoholic."" Johns Hopkins Med J Roggin, G. M., Iber, F. L., Linscheer, W. G. ""Intraluminal fat digestion in the chronic alcoholic."" Gut Roggin, G. M., Moses, D., Kautcher, M., Wishner, W., Shuman, C. ""Ketosis and metabolic alkalosis in a patient with diabetes."" JAMA Kater, R. M., Roggin, G., Tobon, F., Zieve, P., Iber, F. L. ""Increased rate of clearance of drugs from the circulation of alcoholics."" Am J Med Sci Roggin, G. M., Banwell, J. G., Yardley, J. H., Hendrix, T. R. ""Unimpaired response of rabbit jejunum to cholera toxin after selective damage to villus epithelium."" Gastroenterology". Dr. Roggin is rated as an Experienced provider by MediFind in the treatment of Vitamin D Deficiency. His top areas of expertise are Esophagitis, Crohn's Disease, Barrett Esophagus, and Gastric Dysmotility.

Robert Clark is a primary care provider, practicing in Internal Medicine in Bethesda,, Maryland. Dr. Clark is rated as an Experienced provider by MediFind in the treatment of Vitamin D Deficiency. His top areas of expertise are Postmenopausal Osteoporosis, Osteoporosis, Richter Syndrome, Colonoscopy, and Endoscopy.

Dr. Ralph V. Boccia is a hematologist affiliated with Sibley Memorial Hospital, Suburban Hospital, Shady Grove Adventist Hospital, Holy Cross Hospital and MedStar Georgetown University Hospital, where he is a clinical associate professor of medicine for the University, as well as the medical director of the International Oncology Network (ION) Clinical Research Program and the chairman of ION’s Medical Advisory Panel. He practices out of the Center for Cancer and Blood Disorders, of which he is the founder and medical director, located in Bethesda, Maryland and Germantown, Maryland. Dr. Boccia earned his medical degree from the Autonomous University of Guadalajara School of Medicine. He completed a residency in internal medicine at Kern Medical Center, followed by a fellowship in hematology, oncology and bone marrow transplant at the combined UCLA-Veterans Administration Program and The National Cancer Institute at the National Institutes of Health. Dr. Boccia is a member of the American College of Physicians, the American Society of Clinical Oncology, the American Society of Hematology and the American Society for Blood and Marrow Transplantation. Dr. Boccia has been listed as a Top Doctor by Washingtonian Magazine and Consumers’ Checkbook Magazine since 1992. He has also been recognized as a Super Doctor by The Washington Post Magazine and a Regional Top Doctor for Washington, D.C., Baltimore and Washington-Baltimore by Castle Connolly. Dr. Boccia has contributed to various articles with his research, published in journals such as Annals of Internal Medicine, Journal of Clinical Oncology and The Lancet. Recent News Articles and Media Coverage Bladder cancer trends in Montgomery and Prince George's counties: Welcome news - and 3 facts you need to know. NJ.com (08/16/2016) RCCA Expands to Maryland to Become One of the Nation's First Multi-State Oncology/Hematology Physician-Owned and -Operated Networks. OncLive (10/06/2015). Dr. Boccia is rated as an Experienced provider by MediFind in the treatment of Vitamin D Deficiency. His top areas of expertise are Anemia, Multiple Myeloma, Thrombocytopenia, Adult Immune Thrombocytopenia, and Splenectomy.

A Washington-area native, Dr. Erica R. Cohen is a highly-accomplished physician. She is a trained Inflammatory Bowel Disease specialist which gives her unique expertise in Crohn's disease, ulcerative colitis, microscopic colitis, and refractory c. difficile colitis infection. In addition, she treats a wide range of concerns such as celiac disease, colon cancer screening, and diverticular disease. Dr. Cohen is rated as an Experienced provider by MediFind in the treatment of Vitamin D Deficiency. Her top areas of expertise are Diverticular Disease, Crohn's Disease, Ulcerative Colitis, Viral Gastroenteritis, and Endoscopy.

Dr. John Merendino is an endocrinologist in Bethesda, MD. He is co-author of the New York Times bestseller, The Best Life Guide to Managing Diabetes and Pre-Diabetes. Dr. Merendino runs a busy private practice and does consulting for both private industry and government. He is an Assistant Clinical Professor at the George Washington University School of Medicine and is Chief of the Endocrine Section at Suburban Hospital, Johns Hopkins Medicine. Dr. Merendino is rated as an Experienced provider by MediFind in the treatment of Vitamin D Deficiency. His top areas of expertise are Maturity Onset Diabetes of the Young, Type 2 Diabetes (T2D), Hyperthyroidism, and Obesity in Children.

Michael Grady is a primary care provider, practicing in Family Medicine in Washington, Washington, D.c.. Dr. Grady is rated as an Experienced provider by MediFind in the treatment of Vitamin D Deficiency. His top areas of expertise are Dementia, Chronic Kidney Disease, Hypertension, and Familial Hypertension.