MediFind found 181 doctor with experience in Vitamin B12 Deficiency near Columbia, MD. Of these, 153 are Experienced, 26 are Advanced and 2 are Distinguished.
Maryland Oncology Hematology
As an active participant in the medical community, Mohit Narang, M.D. has served as a primary investigator and research assistant on many trials. During Dr. Narang’s fellowship, he was honored with the invitation to attend the Masterclass in Clinical Oncology at Montecatini, Italy by the European School of Oncology. He holds professional memberships with the American Society of Clinical Oncology, American Society of Hematology, as well as the European Society of Medical Oncology. Learn more at marylandoncology.com. Dr. Narang is rated as an Advanced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Multiple Myeloma, Agranulocytosis, Paget Disease of the Breast, Thrombocytopenia, and Bone Marrow Transplant.
Chesapeake Oncology Hematology Assoc
Gayatri Nimmagadda is a Hematologist and a Hematologist Oncology provider in Columbia, Maryland. Dr. Nimmagadda is rated as an Advanced provider by MediFind in the treatment of Vitamin B12 Deficiency. Her top areas of expertise are Breast Cancer, Paget Disease of the Breast, Iron Deficiency Anemia, and Pleuropulmonary Blastoma.
Maryland Oncology Hematology
Learn more at marylandoncology.com. Dr. Sastry is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. Her top areas of expertise are Paget Disease of the Breast, Breast Cancer, Iron Deficiency Anemia, and Childhood Iron Deficiency Anemia.
Maryland Oncology Hematology
Andrew Mener, M.D. has experience treating a wide range of adult hematologic and oncologic disorders, with a particular interest in treating breast, lung, gastrointestinal and hematologic malignancies. He takes great pride in delivering personalized, compassionate care and strives to effectively explain complex treatment options to his patients. He strongly believes in the importance of treating each and every patient as an individual. Learn more at marylandoncology.com. Dr. Mener is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Breast Cancer, Paget Disease of the Breast, Iron Deficiency Anemia, and Severe Congenital Neutropenia.
Maryland Oncology Hematology
Edward Lee, M.D. was named one of Baltimore’s “Top Doc’s” by Baltimore Magazine in 2000 and 2002. After receiving additional training in Hematology and Medical Oncology at the University of Maryland in 1984, he remained on faculty until 1997. During his academic career, Dr. Lee was chairman of the training program for five years, started the Bone Marrow Transplant Program at the University of Maryland in 1993, and wrote 50 original articles on leukemia, lymphoma and related diseases. In 1997, Dr. Lee entered private practice as Chief of Hematology and Medical Oncology at Sinai Hospital. Practicing in Columbia since 2001, Dr. Lee treats patients with all forms of cancer, maintaining a particular interest in breast cancer, leukemia, and lymphomas. Learn more at marylandoncology.com. Dr. Lee is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Polycythemia Vera, Paget Disease of the Breast, Breast Cancer, and Primary Lymphoma of the Brain.
Mid Atlantic Nephrology Associates
Jia Liu is a Nephrologist in Columbia, Maryland. Dr. Liu is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. Her top areas of expertise are Nephrosclerosis, Renovascular Hypertension, Acute Kidney Failure, and Chronic Kidney Disease.
Maryland Endocrine PA
Nicholas Argento, M.D. attended Georgetown University and graduated Magna Cum Laude with a BS in Biology, then the University of Maryland School of Medicine and graduated Cum Laude. He completed his residency in Internal Medicine and fellowship in Diabetes, Endocrine and Metabolism at the University of Maryland Medical System. He joined Maryland Endocrine full time in 1991. He has been the Medical Advisor to the diabetes program at Johns Hopkins Howard County Medical Center since 1995, and gives talks regularly to medical and patient audiences on diabetes. He has a strong interest in type 1 diabetes (T1D), and has extensive experience in utilizing insulin pumps and continuous glucose monitoring (CGM) to help patients safely achieve better blood glucose control. He has 4 publications in medical journals on different aspects of CGM use, and was co-author or contributor to multiple chapters in the 2013 American Diabetes Association book, Putting Your Patient On The Pump, 2nd edition. He has presented clinical research multiple times at the American Diabetes Association Scientific Sessions and other medical meetings, and has spoken to local, national, and international audiences on insulin pumps and the clinical application of CGM technology. He is very active on and lends medical support to and has written numerous articles for the T1DExchange website myglu.org, a website dedicated to outreach, research and engagement of and for the T1D community. For more information, visit marylandendocrine.com. Dr. Argento is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Type 1 Diabetes (T1D), Hypothyroidism, Type 2 Diabetes (T2D), and Vitamin D Deficiency.
Maryland Primary Care Physicians, LLC
Bruce Conger is a primary care provider, practicing in Internal Medicine in Columbia, Maryland. Dr. Conger is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are High Cholesterol, Subacute Combined Degeneration, Familial Combined Hyperlipidemia, and Xanthoma.
Njideka Udochi
Njideka Udochi is a primary care provider, practicing in Family Medicine in Columbia, Maryland. Dr. Udochi is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. Her top areas of expertise are Grass Allergy, Food Allergy, Type 2 Diabetes (T2D), and Vitamin B12 Deficiency.
Centennial Medical Group
Joseph Gibbons is a primary care provider, practicing in Internal Medicine in Columbia, Maryland. Dr. Gibbons 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.
Capital Digestive Care LLC
Priti Bijpuria is a Gastroenterologist in Columbia, Maryland. Dr. Bijpuria is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. Her top areas of expertise are Gastric Dysmotility, Bacterial Gastroenteritis, Indigestion, Gastroesophageal Reflux Disease (GERD), and Gastrectomy.
The Johns Hopkins Hospital
Najeff Waseem is a Hematologist and a Hematologist Oncology provider in Columbia, Maryland. Dr. Waseem 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 Thrombocytopenia, Agranulocytosis, Chronic Familial Neutropenia, and Triple-Negative Breast Cancer.
Family Health & Beauty Center
Alkesh Patel is a primary care provider, practicing in Internal Medicine and Family Medicine in Columbia, Maryland. Dr. Patel is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Familial Hypobetalipoproteinemia, Chorea-Acanthocytosis, Apo A-I Deficiency, and Fish-Eye Disease.
Hawthorne Office Park
Sushma Jani is a Psychiatrist and a Child and Adolescent Psychiatrist in Columbia, Maryland. Dr. Jani is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. Her top areas of expertise are Bipolar Disorder (BPD), Seasonal Affective Disorder (SAD), Major Depression, and Generalized Anxiety Disorder (GAD).
Mid-Atlantic Neurology Consultants
Gena Romanow is a Neurologist in Columbia, Maryland. Dr. Romanow is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. Her top areas of expertise are Periventricular Leukomalacia, Migraine, Memory Loss, and Seizures.
Maryland Oncology Hematology PA
Stuart Selonick is a Hematologist Oncology specialist and a Hematologist in Columbia, Maryland. Dr. Selonick is rated as an Advanced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Familial Colorectal Cancer, Colorectal Cancer, Idiopathic Neutropenia, and Lung Cancer. Dr. Selonick is currently accepting new patients.
Maryland Oncology Hematology PA
Jose Mendoza is a Hematologist Oncology specialist and a Hematologist in Columbia, Maryland. Dr. Mendoza is rated as an Advanced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Childhood Iron Deficiency Anemia, Iron Deficiency Anemia, Anemia, and Familial Colorectal Cancer. Dr. Mendoza is currently accepting new patients.
Maryland Oncology Hematology PA
Nicholas Demonaco is a Hematologist Oncology specialist and a Hematologist in Columbia, Maryland. Dr. Demonaco is rated as an Advanced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Pulmonary Embolism, Childhood Iron Deficiency Anemia, Iron Deficiency Anemia, and Anemia. Dr. Demonaco is currently accepting new patients.
Maryland Oncology Hematology PA
Rita Gupta is a Hematologist Oncology specialist and a Hematologist in Columbia, Maryland. Dr. Gupta is rated as an Advanced provider by MediFind in the treatment of Vitamin B12 Deficiency. Her top areas of expertise are Iron Deficiency Anemia, Childhood Iron Deficiency Anemia, Paget Disease of the Breast, and Breast Cancer. Dr. Gupta is currently accepting new patients.
Suzan Abdo is a primary care provider, a Geriatrics specialist and a General Practice provider in Columbia, Maryland. Dr. Abdo is rated as an Advanced provider by MediFind in the treatment of Vitamin B12 Deficiency. Her top areas of expertise are Familial Hypercholesterolemia, Homozygous Familial Hypercholesterolemia (HoFH), Hyperlipoproteinemia Type 4, and Defective Apolipoprotein B-100. Dr. Abdo is currently accepting new patients.
Last Updated: 01/09/2026










