The 20 Best Vitamin B12 Deficiency Doctors Near Me in Chevy Chase, MD
Find the Top Vitamin B12 Deficiency Experts and Specialists
The Center For Cancer & Blood Disorders
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 Advanced provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 25 other conditions, according to our data. His clinical expertise encompasses Anemia, Multiple Myeloma, Thrombocytopenia, Adult Immune Thrombocytopenia, and Splenectomy. Dr. Boccia is board certified in American Board Of Internal Medicine.
Center For Cancer & Blood Disorders
Victor Priego is a Hematologist Oncology specialist and an Oncologist practicing medicine in Bethesda, Maryland. Dr. Priego is rated as an Advanced provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 18 other conditions, according to our data. His clinical expertise encompasses Myelodysplastic Syndrome (MDS), Anemia, Hemangioma Thrombocytopenia Syndrome, Thrombocytopenia, and Splenectomy. Dr. Priego is board certified in American Board Of Internal Medicine.
Center For Cancer & Blood Disorders
Mark Goldstein is a Hematologist Oncology provider practicing medicine in Bethesda, Maryland. Dr. Goldstein is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 30 other conditions, according to our data. His clinical expertise encompasses Childhood Iron Deficiency Anemia, Anal Cancer, Myelodysplastic Syndrome (MDS), and Pleuropulmonary Blastoma. Dr. Goldstein is board certified in American Board Of Internal Medicine.
Sibley Memorial Hospital
"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. He is also highly rated in 9 other conditions, according to our data. His clinical expertise encompasses Pancreatic Cancer, Familial Pancreatic Cancer, Pancreatoblastoma, and Prostate Cancer. Dr. Kumar is board certified in American Board Of Radiology.
William M Handy, MD PC
. Dr. Handy is rated as an Advanced provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 42 other conditions, according to our data. His clinical expertise encompasses Spinocerebellar Ataxia Type 15, Spinocerebellar Ataxia Type 6, Spinocerebellar Ataxia Type 23, and Spinocerebellar Ataxia Type 12. Dr. Handy is board certified in American Board Of Family Medicine.
Premier Pulmonary And Internal Medicine Of Chevy Chase
Dr. Carlos Picone served as Vice-Chair, Department of Internal Medicine at Sibley Memorial Hospital in Washington, D.C. and Chairman of the Pulmonary Medicine Division. Dr. Picone received his medical degree from the National University of Cordoba, Argentina in 1989, graduating summa cum laude. He completed a residency in Internal Medicine at the Medical College of Virginia, and Fellowships in Critical Care Medicine at the National Institutes of Health and in Pulmonary Medicine at the Medical College of Virginia. Dr. Picone has authored articles on pulmonary arterial hypertension and treatment, bioethics, end-of-life decision-making and parenchymal lung diseases. He has been a Medical Volunteer in several Latin American countries and currently volunteers with Mobile Medical Clinics of Greater Washington, D.C., where he serves at its Executive Board with the mission of providing free medical care to the underserved community of Washington. Dr. Picone also serves as a Board Member of Operation Canasta, supporting schools and orphanages in Argentina's hinterland. Dr. Picone is a partner in private practice with Chevy Chase Pulmonary Associates. His major professional interests include: Pulmonary Arterial Hypertension - Pathophysiology and Treatment. Bioethics and End-of-Life Decision Making. Parenchymal Lung Diseases. Dr. Picone has overseas experience in Europe, the Middle East, Central and South America. He also has an interest in literature, chess, squash and astronomy. Selected Publications Medical Complications of Cocaine: Possible relationship to low plasma cholinesterase enzyme. Om A; Ellahham S; Picone C; Ornato JP. Am Heart J 1993 Apr;125(4):1114-8. One of the Many Faces of Systemic Mastocytosis: Hemodynamic collapse. Abstract presentation - Clinical Vignettes. American College of Physicians Meeting-1994. Non-Resolving Pneumonia. Picone, C. Chest 1998; 114:923-926. Recurrent acute respiratory distress syndrome from use of salicylate containing over-the-counter preparations. Picone, C. Chest 1998; 114:408-S. Acute Pneumonitis after In-Vitro Fertilization with IM Progesterone. Picone C. JResp Dis 2008; 29:170-71. Opening Debate on End-of-Life Medical Care. Progress Notes. Suburban Hospital 2010 Palliative Care and Opening Debate on End-of-Life Medical Care. Sibley MD March 2010 Subacute Dyspnea, Hypoxemia and Refractory Cardiopulmonary Collapse – Postgraduate Education Corner. CHEST 2012;141(4):1106-9. Dr. Picone is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 13 other conditions, according to our data. His clinical expertise encompasses Vitamin D Deficiency, Hyperventilation, Lung Nodules, and Lung Metastases. Dr. Picone is board certified in American Board Of Internal Medicine.
Frederick P Smith MD A Division Of RCCA
Dr. Frederick P. Smith is a medical oncologist specializing in breast cancer at Sibley Memorial Hospital and an instructor at Johns Hopkins School of Medicine and Georgetown University School of Medicine. He has a private practice in Washington, D.C. He is affiliated with Sibley Memorial Hospital and Suburban Hospital. Dr. Smith earned his medical degree from Saint Louis University School of Medicine. He completed a residency in internal medicine at Georgetown University Hospital, followed by a fellowship in oncology. Dr. Smith was named a 2012 Top Doctor in the Washington, D.C., Baltimore and Washington-Baltimore areas by Castle Connolly, as well as a Top MD by Consumers’ Checkbook Magazine. Prior to joining Johns Hopkins, Dr. Smith was the director of extramural oncology research at Georgetown University. In this position, he contributed over 50 articles to peer-reviewed medical journals. Dr. Smith is an integral advocate in the community for promoting access to clinical research. He has also contributed to clinical trials. Dr. Smith is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 25 other conditions, according to our data. His clinical expertise encompasses Breast Cancer, Paget Disease of the Breast, Virilizing Ovarian Tumor, and Ovarian Carcinosarcoma. Dr. Smith is board certified in American Board Of Internal Medicine.
Cardiology & Internal Medicine PA
Dr. Joseph A. Vassallo is a cardiologist affiliated with Sibley Memorial Hospital and Suburban Hospital. He practices out of Cardiology and Internal Medicine, located in Chevy Chase, Maryland. Dr. Vassallo has expertise in cardiovascular disease, arrhythmia evaluation and internal medicine. Dr. Vassallo earned his medical degree from State University of New York at Buffalo School of Medicine. He completed a residency in internal medicine at New England Medical Center. Dr. Vassallo is a fellow of the American College of Cardiology. Dr. Vassallo is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 18 other conditions, according to our data. His clinical expertise encompasses Heart Murmurs, Glucocorticoid-Remediable Aldosteronism, Hypertension, and High Cholesterol. Dr. Vassallo is board certified in American Board Of Internal Medicine.
Drs Adelson And Ginsberg PC
Dr. Sandra J. Ginsberg is a medical oncologist affiliated with Sibley Memorial Hospital, Georgetown University Hospital and George Washington University Hospital. She practices out of Drs. Adelson and Ginsberg in Washington, D.C. Dr. Ginsberg earned her medical degree at the University of Chicago Pritzker School of Medicine. She completed a residency in internal medicine at the State University of New York Health Science Center at Syracuse, followed by a fellowship in medical oncology at the University of Washington and a fellowship in hematology at the State University of New York Health Science Center at Syracuse. Dr. Ginsberg is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. She is also highly rated in 1 other condition, according to our data. Her clinical expertise encompasses Vitamin D Deficiency, Inflammatory Breast Cancer, Paget Disease of the Breast, and Breast Cancer. Dr. Ginsberg is board certified in American Board Of Internal Medicine.
Capital Digestive Care LLC
Dr. Kathryn E. Kirk is a gastroenterologist affiliated with Sibley Memorial Hospital, George Washington University Hospital, Washington Hospital Center and the University of Maryland Baltimore Washington Medical Center. She practices out of Capital Digestive Care’s Metropolitan Gastroenterology Group in Washington, D.C., Chevy Chase, Md. and Bethesda, Md. Dr. Kirk has an expertise in gastroesophageal reflux disease, colorectal cancer screening and irritable bowel syndrome. She has special interests in colon cancer screening and prevention, celiac disease and eosinophilic esophagitis. Dr. Kirk earned her undergraduate degree from Princeton University and her medical degree from Weill Medical College of Cornell University. She completed a residency in internal medicine at Beth Israel Medical Center, followed by fellowships in hepatology and gastroenterology at Mount Sinai Hospital. Dr. Kirk is a member of the American College of Gastroenterology, the American Society for Gastrointestinal Endoscopy, the Crohn’s and Colitis Foundation of America and the American Gastroenterological Association. Dr. Kirk has been consistently recognized as a Top Doctor by Washingtonian magazine. Dr. Kirk is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. She is also highly rated in 20 other conditions, according to our data. Her clinical expertise encompasses Crohn's Disease, Ulcerative Colitis, Gastroesophageal Reflux Disease (GERD), and Eosinophilic Colitis. Dr. Kirk is board certified in American Board Of Internal Medicine.
Capital Digestive Care & Metropolitan Gastroenterology Group
Samuel Kallus is a Gastroenterologist practicing medicine in Chevy Chase, Maryland. Dr. Kallus is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 23 other conditions, according to our data. His clinical expertise encompasses Crohn's Disease, Ulcerative Colitis, Eosinophilic Colitis, Endoscopy, and Colonoscopy. Dr. Kallus is board certified in American Board Of Internal Medicine.
Paul C. Turkeltaub M.D.
Irene Feldman is an Internal Medicine provider practicing medicine in Bethesda, Maryland. Dr. Feldman is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. She is also highly rated in 1 other condition, according to our data. Her clinical expertise encompasses Type 2 Diabetes (T2D), Maturity Onset Diabetes of the Young, Hypothyroidism, and Thyroid Storm.
Capital Coordinated Medicine LLC
Amy Schiffman is an Emergency Medicine provider practicing medicine in Kensington, Maryland. Dr. Schiffman is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. She is also highly rated in 1 other condition, according to our data. Her clinical expertise encompasses Dementia, Alzheimer's Disease, Urinary Tract Infection (UTI), and Vitamin D Deficiency.
Collin D Cullen MDLLC
Dr. Collin D. Cullen is an internist affiliated with Sibley Memorial Hospital. He practices out of Cullen, Umosella, Cullen & Cullen in Bethesda, Md. Dr. Cullen earned his medical degree from Georgetown University School of Medicine. He completed a residency in obstetrics and gynecology at Geisinger Medical Center. Dr. Cullen has been named a Top MD by Consumers’ Checkbook Magazine, as well as a Top Family/General Practitioner by Washingtonian Magazine. Recent News Articles and Media Coverage The Brothers Cullen. Bethesda Magazine (January/February 2008). Dr. Cullen is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His clinical expertise encompasses Tension Headache, Subacute Combined Degeneration, Cirrhosis, and Familial Combined Hyperlipidemia. Dr. Cullen is board certified in American Board Of Pediatrics and American Board Of Internal Medicine.
Richard H Israel PhD PA
Romeu Azevedo is an Endocrinologist practicing medicine in Silver Spring, Maryland. Dr. Azevedo is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 17 other conditions, according to our data. His clinical expertise encompasses Type 2 Diabetes (T2D), Maturity Onset Diabetes of the Young, Hyperthyroidism, and Thyroid Storm.
Maryland Oncology Hematology PA
Nicholas Farrell is a Hematologist Oncology provider practicing medicine in Bethesda, Maryland. Dr. Farrell is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 47 other conditions, according to our data. His clinical expertise encompasses Lung Cancer, Childhood Iron Deficiency Anemia, Pleuropulmonary Blastoma, and Iron Deficiency Anemia. Dr. Farrell is board certified in American Board Of Internal Medicine.
Maryland Oncology Hematology PA
"Dr. Ari D. Fishman is a hematologist affiliated with Sibley Memorial Hospital, Holy Cross Hospital and George Washington University Hospital, where he serves as an assistant professor of medicine for the School of Medicine. He practices out of Maryland Oncology and Hematology, located in Wheaton, Maryland and Silver Spring, Maryland. Dr. Fishman earned his medical degree from Sackler School of Medicine. He completed a residency in internal medicine at the Beth Israel Medical Center, followed by a fellowship in hematology and oncology at the Montefiore Medical Center. Dr. Fishman previously worked at Washington Oncology Hematology Center, located in Washington, D.C. and Chevy Chase, Maryland. Dr. Fishman has been named a Top Doctor in Hematology and Oncology by Washingtonian Magazine and a Top Doctor by Consumers’ Checkbook magazine. Dr. Fishman is a member of the American College of Physicians and the American Society of Clinical Oncology. Dr. Fishman has contributed to numerous publications. Selected Publications Fishman AD, Hoffman A, Volterra F, Frymus M, Gentilluci M. ""Intracaval and intracardiac metastatic nonseminomatous germ cell tumor: a rare cause of hemolytic anemia and thrombocytopenia."" Cancer Invest. 2002;20(7-8):996-1001.". Dr. Fishman is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 55 other conditions, according to our data. His clinical expertise encompasses Monoclonal Gammopathy of Undetermined Significance (MGUS), Schnitzler Syndrome, Myelodysplastic Syndrome (MDS), and Childhood Iron Deficiency Anemia. Dr. Fishman is board certified in American Board Of Internal Medicine.
John J Merendino MD PA
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 B12 Deficiency. He is also highly rated in 3 other conditions, according to our data. His clinical expertise encompasses Maturity Onset Diabetes of the Young, Type 2 Diabetes (T2D), Hyperthyroidism, and Obesity in Children. Dr. Merendino is board certified in American Board Of Internal Medicine.
Capital Digestive Care LLC
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 B12 Deficiency. She is also highly rated in 14 other conditions, according to our data. Her clinical expertise encompasses Diverticular Disease, Crohn's Disease, Ulcerative Colitis, Viral Gastroenteritis, and Endoscopy. Dr. Cohen is board certified in American Board Of Internal Medicine.
Maryland Oncology Hematology PA
Carolyn Hendricks is a Hematologist Oncology specialist and an Oncologist practicing medicine in Bethesda, Maryland. Dr. Hendricks is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. She is also highly rated in 10 other conditions, according to our data. Her clinical expertise encompasses Breast Cancer, Paget Disease of the Breast, Triple-Negative Breast Cancer, and HER-2 Positive Breast Cancer. Dr. Hendricks is board certified in American Board Of Internal Medicine.
Last Updated: 04/28/2026

