Dr. Michael G. Sambat

Richard Harootunian is a primary care provider, practicing in Internal Medicine in York, Pennsylvania. Dr. Harootunian is rated as an Advanced provider by MediFind in the treatment of Alcoholic Cirrhosis. His top areas of expertise are Alcoholic Cirrhosis, Enlarged Liver, Ascites, and Vitamin D Deficiency.

Rudolph Rigano is a primary care provider, practicing in Internal Medicine in Lancaster, Pennsylvania. Dr. Rigano is rated as an Advanced provider by MediFind in the treatment of Alcoholic Cirrhosis. His top areas of expertise are Alcoholic Cirrhosis, Ascites, Alzheimer's Disease, Pneumonia, and Endoscopy.

Dr. David M. Hansen is an internist affiliated with Sibley Memorial Hospital and Georgetown University Hospital. He practices out of Foxhall Internists in Washington, D.C. Dr. Hansen’s clinical interests range from preventive care to long-term management of chronic conditions, such as diabetes, hypertension and heart failure. Dr. Hansen earned his undergraduate degree from Harvard College and his medical degree from Johns Hopkins University School of Medicine. He completed a residency in internal medicine at Stanford University School of Medicine. Dr. Hansen previously served as clinical faculty of Stanford Medical School and practiced at the Stanford-affiliated Menlo Medical Clinic. Dr. Hansen has been named a Top Internist by Washingtonian magazine and Consumers’ Checkbook magazine. He has also been named one of the Best Doctors in America and a Super Doctor by the Washington Post magazine. Dr. Hansen is rated as an Advanced provider by MediFind in the treatment of Alcoholic Cirrhosis. His top areas of expertise are Alcoholic Cirrhosis, High Cholesterol, Homocystinuria, and Methylmalonic Acidemia with Homocystinuria.