MediFind found 201 doctor with experience in Vitamin B12 Deficiency near Olney, MD. Of these, 165 are Experienced, 35 are Advanced and 1 are Distinguished.
David Plotkin is a Sports Medicine specialist and a Sleep Medicine provider in Olney, Maryland. Dr. Plotkin is rated as a Distinguished provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Acquired Hemophilia, Vitamin B12 Deficiency, Vitamin D Deficiency, and Insomnia. Dr. Plotkin is currently accepting new patients.
Olney Medical Clinic
Asima Cheema is a Family Medicine provider in Olney,, Maryland. Dr. Cheema is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. Her top areas of expertise are Pancreatic Islet Cell Tumor, End-Stage Renal Disease (ESRD), Neuroendocrine Tumor, Liver Embolization, and Hip Replacement.
Maryland Oncology Hematology PA
"Shannon C. O'Connor, M.D., is a medical oncologist with Suburban Hospital. She practices out of Maryland Oncology Hematology. Dr. O'Connor has expertise in hematology and medical oncology with a special focus in women's health, including breast cancer and gynecologic cancers. Dr. O'Connor earned her Master's Degree in Physiology at Georgetown University, followed by her medical degree from St. George's University School of Medicine. She completed a residency at Washington Hospital Center, as well as a fellowship in hematology and oncology. Dr. O'Connor is a member of the American Society of Clinical Oncology, the American Society of Hematology, the Montgomery County Medical Society and the American Medical Association. Selected Publications Catlett JP1, Williams SA, O'Connor SC, Krishnan J, Malkovska V. ""Primary lymphoma of bone: an institutional experience."" Leuk Lymphoma. 2008 Nov;49(11):2125-32. doi: 10.1080/10428190802404030.". Dr. O'connor is rated as an Advanced provider by MediFind in the treatment of Vitamin B12 Deficiency. Her top areas of expertise are Paget Disease of the Breast, Cervical Cancer, Neuroendocrine Carcinoma of the Cervix, and Breast Cancer.
Ata Motamedi is a primary care provider, practicing in Internal Medicine in Olney, Maryland. Dr. Motamedi is rated as an Advanced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Subacute Combined Degeneration, Glucocorticoid-Remediable Aldosteronism, Hypertension, and Familial Hypertension. Dr. Motamedi is currently accepting new patients.
Arthritis And Rheumatism Associates PC
Nitasha Kumar is a Rheumatologist in Olney, Maryland. Dr. Kumar is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. Her top areas of expertise are Osteoporosis, Postmenopausal Osteoporosis, Rheumatoid Arthritis (RA), and Juvenile Primary Osteoporosis.
Scott Maurer is a primary care provider, practicing in Geriatrics in Glenwood, Maryland. Dr. Maurer is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Familial Combined Hyperlipidemia, Xanthoma, Cirrhosis, and High Cholesterol.
Olney Medical Group, LLC
Gaurang Thaker is a primary care provider, practicing in Internal Medicine in Olney, Maryland. Dr. Thaker is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Heart Murmurs, Vitamin B12 Deficiency Anemia, Multiple Carboxylase Deficiency, and Folate Deficiency. Dr. Thaker is currently accepting new patients.
Evelyn Jackson is a primary care provider, practicing in Internal Medicine in Olney, Maryland. Dr. Jackson has been practicing medicine for over 47 years and is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. Her top areas of expertise are High Cholesterol, Bronchitis, Attention Deficit Hyperactivity Disorder (ADHD), and Hypertension. Dr. Jackson is currently accepting new patients.
Medstar Medical Group Ii LLC
Francisca Bruney is a primary care provider, practicing in Family Medicine in Olney, Maryland. Dr. Bruney is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. Her top areas of expertise are Fibrosing Mediastinitis, Vitamin D Deficiency, Subacute Combined Degeneration, and High Cholesterol. Dr. Bruney is currently accepting new patients.
Medstar Medical Group Ii LLC
John Downs is an Oncologist and a Hematologist in Olney, Maryland. Dr. Downs is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Large-Cell Immunoblastic Lymphoma, Multiple Myeloma, Lung Cancer, and Pleuropulmonary Blastoma. Dr. Downs is currently accepting new patients.
Medstar Medical Group Ii LLC
Ankit Madan is a Hematologist Oncology specialist and a Hematologist in Olney, Maryland. Dr. Madan has been practicing medicine for over 17 years and is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Colorectal Cancer, Lynch Syndrome, Familial Colorectal Cancer, and Inflammatory Breast Cancer. Dr. Madan is currently accepting new patients.
Genesis Eldercare Physician Services LLC
Josjin Vazhappilly is a primary care provider, practicing in Geriatrics and Internal Medicine in Silver Spring, Maryland. Dr. Vazhappilly is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Hypertension, Familial Hypertension, Glucocorticoid-Remediable Aldosteronism, and Anemia.
Maryland Oncology Hematology PA
Syed Mahmood is a Hematologist and a Hematologist Oncology provider in Rockville, Maryland. Dr. Mahmood is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Thrombocytopenia, RUNX1 Familial Platelet Disorder, Colorectal Cancer, and Lynch Syndrome.
Douglas C Frankel MD PA
Douglas Frankel is a primary care provider, practicing in Internal Medicine in Rockville, Maryland. Dr. Frankel is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are High Cholesterol, Papular Urticaria, Obesity, and Familial Combined Hyperlipidemia.
Potomac Oncology & Hematology
Dr. James Xu received a bachelor of science in chemical engineering with a minor in mathematics from Brigham Young University and his medical degree from University of Minnesota. He completed his internal medicine residency at the Yale-New Haven Hospital of Yale University in New Haven, CT, and his hematology and medical oncology fellowship at the New York-Presbyterian Hospital of Columbia University in New York City. Because of his unique background in engineering and medicine, Dr. Xu was the recipient of the American Society of Clinical Oncology-Conquer Cancer Foundation Young Investigator Award in 2011 and Merit Award in 2012. Dr. Xu is a strong advocate of precision medicine and he is the first person to have proposed and preliminarily confirmed the feasibility of using deep sequencing technology to detect genetic mutation in rare cell samples such as circulating tumor cells from cancer patients’ peripheral blood. He has published in peer-reviewed journals in lung, breast, and pancreatic cancers. Dr. Xu is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Pulmonary Embolism, Deep Vein Thrombosis, Protein S Deficiency, and Congenital Antithrombin 3 Deficiency.
Capital Digestive Care
Dr. Collier is graduate from Georgetown University Medical School, Washington D.C. and he has been in practice since 2000 in Rockville, MD. Dr. Collier received advanced training in Gastroenterology and Endoscopic Ultrasound from prestigious organizations such as Georgetown University Hospital, Washington Veteran's Hospital and the National Institutes of Health. Dr. Collier's top priority is to advance the delivery of care for patients suffering from digestive health conditions. His goal is to provide high quality patient care, medical diagnosis and the most effective treatment. He is married with three children. For more information on Dr. Collier, visit CapitalDigestiveCare.com. Dr. Collier is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Irritable Bowel Syndrome (IBS), Indigestion, Gastroesophageal Reflux Disease (GERD), Portal Hypertension, and Gastrectomy.
Universal Health Care
Amit Rajvanshi is a Family Medicine provider in Rockville, Maryland. Dr. Rajvanshi is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Vitamin D Deficiency, Seasonal Affective Disorder (SAD), Vitamin B12 Deficiency, and Muscle Spasms.
Shahid Shamim MD LLC
Shahid Shamim is a primary care provider, practicing in Internal Medicine in Rockville, Maryland. Dr. Shamim is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are High Cholesterol, Vitamin D Deficiency, Hypothyroidism, and Obesity in Children.
Capital Digestive Care
Eric Pollack is a Gastroenterologist in North Bethesda, Maryland. Dr. Pollack is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Gastroesophageal Reflux Disease (GERD), Familial Adenomatous Polyposis, Diverticular Disease, and Indigestion.
Petek Donmez is a primary care provider, practicing in Internal Medicine in Rockville, Maryland. Dr. Donmez is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. Her top areas of expertise are Hypertensive Heart Disease, Enlarged Liver, Cirrhosis, and Viral Pharyngitis.
Last Updated: 01/09/2026



