MediFind found 27 doctor with experience in Vitamin B12 Deficiency near Lancaster, PA. Of these, 25 are Experienced and 1 are Advanced.
Lancaster Cancer Center
Lena R. Dumasia, MD, specializes in hematology oncology. She is affiliated with UPMC Community Osteopathic, UPMC Lititz, UPMC West Shore and UPMC Pinnacle Harrisburg. Dr. Dumasia completed her fellowship at Providence Hospital, residency at St. Joseph Mercy Hospital and medical degree at Saba University School of Medicine. Dr. Dumasia 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, Severe Congenital Neutropenia, and Non-Hodgkin Lymphoma.
Thomas Mextorf is a primary care provider, practicing in Family Medicine in Lancaster, Pennsylvania. Dr. Mextorf is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Maturity Onset Diabetes of the Young, Type 2 Diabetes (T2D), Childhood Iron Deficiency Anemia, and High Cholesterol.
Lumina Dr G Medical PLLC
Victor Guadagnino is a Cardiologist in Lancaster, Pennsylvania. Dr. Guadagnino is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Dilated Cardiomyopathy (DCM), Cardiomyopathy, Arrhythmogenic Right Ventricular Cardiomyopathy, and Unstable Angina.
Regional GI
Justin Harberson is a Gastroenterologist in Lancaster, Pennsylvania. Dr. Harberson is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Benign Esophageal Stricture, Lower Esophageal Ring, Gastroparesis, Gastrectomy, and Endoscopy.
LG Health Physicians Family Medicine Abbeyville Embassy Drive
Lauren Myer is a Nurse Practitioner specialist and a Family Medicine provider in Lancaster, Pennsylvania. Ms. Myer is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. Her top areas of expertise are Hypertension, Sinusitis, Vitamin B12 Deficiency, and Hypothyroidism. Ms. Myer is currently accepting new patients.
LG Health Physicians Arthritis And Rheumatology
Lisa Allen is a Rheumatologist in Lancaster, Pennsylvania. Dr. Allen has been practicing medicine for over 44 years and is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. Her top areas of expertise are Postmenopausal Osteoporosis, Osteoporosis, Rheumatoid Arthritis (RA), and Juvenile Primary Osteoporosis. Dr. Allen is currently accepting new patients.
Regional Gastroenterology Associates Of Lancaster, Ltd.
Ashley Miller is a Physician Assistant in Lancaster, Pennsylvania. Ms. Miller is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. Her top areas of expertise are Nonalcoholic Steatohepatitis (NASH), Non-Alcoholic Fatty Liver Disease, Vitamin B12 Deficiency, and Gallbladder Disease.
LG Health Physicians Diabetes And Endocrinology
Anna Antwi is an Endocrinologist and a Nurse Practitioner in Lancaster, Pennsylvania. Ms. Antwi is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. Her top areas of expertise are Type 2 Diabetes (T2D), Diabetic Hyperglycemic Hyperosmolar Syndrome, Maturity Onset Diabetes of the Young, and Type 1 Diabetes (T1D). Ms. Antwi is currently accepting new patients.
Regional Gastroenterology Associates Of Lancaster, Ltd.
Robert Stokes is a Hepatologist in Lancaster, Pennsylvania. Dr. Stokes is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Portal Hypertension, Cirrhosis, Trichohepatoenteric Syndrome, Colonoscopy, and Endoscopy.
LG Health Physicians Hematology And Medical Oncology
Srilatha Hosur is a Hematologist and an Oncologist in Lancaster, Pennsylvania. Dr. Hosur 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, Chronic Familial Neutropenia, Breast Cancer, Multiple Myeloma, and Bone Marrow Aspiration. Dr. Hosur is currently accepting new patients.
LG Health Physicians Hematology And Medical Oncology
Ami Jhaveri is a Hematologist and an Oncologist in Lancaster, Pennsylvania. Dr. Jhaveri 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, Small Cell Lung Cancer (SCLC), Testicular Cancer, and Teratoma of the Mediastinum. Dr. Jhaveri is currently accepting new patients.
LG Health Physicians Hematology And Medical Oncology
Shyam Balepur is a Hematologist in Lancaster, Pennsylvania. Dr. Balepur 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), Gastroesophageal Junction Cancer, Non-Hodgkin Lymphoma, and Chronic B-Cell Leukemia (CBCL). Dr. Balepur is currently accepting new patients.
LG Health Physicians Hematology And Medical Oncology
Timothy Beer is a Hematologist and an Oncologist in Lancaster, Pennsylvania. Dr. Beer is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Lung Adenocarcinoma, Squamous Cell Lung Carcinoma, Small Cell Lung Cancer (SCLC), ALK-Positive Non-Small Cell Lung Cancer, and Bone Marrow Aspiration. Dr. Beer is currently accepting new patients.
LG Health Physicians Hematology And Medical Oncology
Matthew Evans is a Hematologist in Lancaster, Pennsylvania. Dr. Evans is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Hemophilia A, Sickle Cell Disease, Hemophilic Arthropathy, Adult Immune Thrombocytopenia, and Bone Marrow Aspiration. Dr. Evans is currently accepting new patients.
Lancaster Cancer Center
Hyatt Degreen is a Hematologist Oncology provider in Lancaster, Pennsylvania. Dr. Degreen is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Familial Colorectal Cancer, Colorectal Cancer, Pleuropulmonary Blastoma, and Lung Cancer.
LG Health Physicians Internal Medicine
Mark Simmons is a primary care provider, practicing in Internal Medicine in Lancaster, Pennsylvania. Dr. Simmons is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Hypothyroidism, High Cholesterol, Type 2 Diabetes (T2D), and Branchial Cleft Cyst.
LG Health Physicians Internal Medicine
Bradford Granger is a primary care provider, practicing in Internal Medicine in Lancaster, Pennsylvania. Dr. Granger is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Anemia, Postmenopausal Osteoporosis, Melorheostosis, and Melorheostosis with Osteopoikilosis.
Lancaster Family Medicine Associates, P.C.
Victoria Weaver is a Nurse Practitioner in Willow Street, Pennsylvania. Ms. Weaver is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. Her top areas of expertise are Vitamin D Deficiency and Vitamin B12 Deficiency.
UPMC Hillman Cancer Center - Lititz
Joshua Shipley, MD, specializes in hematology oncology and is board-certified in hematology, medical oncology, and internal medicine by the American Board of Internal Medicine. He practices at UPMC Hillman Cancer Center and is affiliated with UPMC Lititz, UPMC Hanover, UPMC West Shore, UPMC Community Osteopathic, and UPMC Harrisburg. Dr. Shipley received his medical degree from Drexel University College of Medicine and completed his residency program and fellowship program at the Warren Alpert Medical School of Brown University. Dr. Shipley is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Prostate Cancer, Familial Prostate Cancer, Pleuropulmonary Blastoma, and Childhood Iron Deficiency Anemia.
UPMC Hillman Cancer Center - Lititz
Naeem Latif is a Hematologist Oncology provider in Lititz, Pennsylvania. Dr. Latif is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Paget Disease of the Breast, Colorectal Cancer, Familial Pancreatic Cancer, and Familial Colorectal Cancer. Dr. Latif is currently accepting new patients.
Last Updated: 10/30/2025

