Ernest Tsao is a Gastroenterologist in Baltimore, Maryland. Dr. Tsao is rated as an Advanced provider by MediFind in the treatment of Rotor Syndrome. His top areas of expertise are Hepatitis, Gas Bloat Syndrome, Hepatitis C, Endoscopy, and Gastrectomy.

Agazi Gebreselassie is a Gastroenterologist and a Hospital Medicine provider in Baltimore, Maryland. Dr. Gebreselassie is rated as an Advanced provider by MediFind in the treatment of Rotor Syndrome. His top areas of expertise are Jaundice, Macroamylasemia, Portal Hypertension, Endoscopy, and Colonoscopy.

Dr. Onwueme graduated with Distinction from Yale University with dual BSc/MSc degrees in chemistry and received MD and PhD degrees from Weill Cornell Medical College. He completed his Internal Medicine residency at Brigham and Women’s Hospital (Clinical Fellow Harvard Medical School) and his Gastroenterology fellowship at Johns Hopkins University School of Medicine. He is currently the Director of clinical trials at Woodholme Gastroenterology and has an ardent interest in the role of microbial metabolites in gut diseases. Dr. Onwueme prizes commitment to quality and compassionate patient care to which he devotes his practice. He has expert knowledge in gut microbiology and a special interest in diarrheal diseases, disordered gut motility, autoimmune and inflammatory bowel disease. Dr. Onwueme is rated as an Experienced provider by MediFind in the treatment of Rotor Syndrome. His top areas of expertise are Gastric Dysmotility, Diverticular Disease, Diarrhea, Endoscopy, and Gastrectomy.

Sheena Buskirk is a primary care provider, practicing in Family Medicine in Frostburg, Maryland. Dr. Buskirk is rated as an Experienced provider by MediFind in the treatment of Rotor Syndrome. Her top areas of expertise are Rotor Syndrome, Dubin-Johnson Syndrome, Multiple Carboxylase Deficiency, and Vitamin B12 Deficiency Anemia. Dr. Buskirk is currently accepting new patients.

April Tignor is a Gastroenterologist in Glen Burnie, Maryland. Dr. Tignor is rated as an Experienced provider by MediFind in the treatment of Rotor Syndrome. Her top areas of expertise are Hemorrhoids, Indigestion, Gastritis, Endoscopy, and Gastrectomy.

Loc Le is a Gastroenterologist in Baltimore, Maryland. Dr. Le is rated as an Experienced provider by MediFind in the treatment of Rotor Syndrome. His top areas of expertise are Gastroesophageal Reflux Disease (GERD), Irritable Bowel Syndrome (IBS), Barrett Esophagus, Colonoscopy, and Endoscopy.

Eric Blum is a Gastroenterologist in Baltimore, Maryland. Dr. Blum is rated as an Experienced provider by MediFind in the treatment of Rotor Syndrome. His top areas of expertise are Diverticular Disease, Familial Adenomatous Polyposis, Viral Gastroenteritis, Colonoscopy, and Endoscopy.

Steven Epstein is a Gastroenterologist in Baltimore, Maryland. Dr. Epstein is rated as an Experienced provider by MediFind in the treatment of Rotor Syndrome. His top areas of expertise are Familial Adenomatous Polyposis, Attenuated Familial Adenomatous Polyposis, Cronkhite-Canada Disease, Gastrectomy, and Colonoscopy.

Amrish Joseph, M.D., practices family medicine at Johns Hopkins Community Physicians White Marsh. He received his medical degree from St. Johns Medical College, and also completed his residency in internal medicine at the University of Illinois. Dr. Joseph is rated as an Experienced provider by MediFind in the treatment of Rotor Syndrome. His top areas of expertise are High Potassium Level, Hypertension, Familial Hypertension, and Glucocorticoid-Remediable Aldosteronism.

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 Rotor Syndrome. His top areas of expertise are Familial Combined Hyperlipidemia, Xanthoma, Cirrhosis, and High Cholesterol.

Joshua Rosenbloom is a Gastroenterologist in Columbia, Maryland. Dr. Rosenbloom is rated as an Experienced provider by MediFind in the treatment of Rotor Syndrome. His top areas of expertise are Exocrine Pancreatic Insufficiency, Gastric Dysmotility, Hemorrhoids, and Juvenile Polyposis Syndrome.

Alise Burke, M.D., is a family medicine physician with Johns Hopkins Community Physicians. She graduated summa cum laude from the University of Maryland, College Park with a bachelor's degree in biology in 2014. She then attended medical school at the University of Maryland School of Medicine before moving to Lancaster, Pennsylvania to complete her family medicine residency at Lancaster General Hospital. Dr. Burke is passionate about providing evidence-based preventative medicine to her patients. In her free time, she enjoys reading, traveling and spending quality time with her husband and two dogs. Dr. Burke is rated as an Experienced provider by MediFind in the treatment of Rotor Syndrome. Her top areas of expertise are Glucocorticoid-Remediable Aldosteronism, Hypertension, Familial Hypertension, and High Cholesterol.

Elizabeth Bower is a primary care provider, practicing in Internal Medicine in Ellicott City, Maryland. Dr. Bower is rated as an Experienced provider by MediFind in the treatment of Rotor Syndrome. Her top areas of expertise are Familial Combined Hyperlipidemia, Xanthoma, Cirrhosis, and High Cholesterol.

Natarajan Ravendhran is a hepatologist specializing in the diagnosis, treatment and management of liver diseases. He received his medical degree from Stanley Medical College, University of Madras in India, completed his residency in internal medicine at what is now Ascension Saint Agnes Hospital in Maryland and a residency in surgery at Railway Hospital in Madras, India. Dr. Ravendhran performed fellowship training in hepatology under the mentorship of Eugene and Leon Schiff at the University of Miami. Additionally, he received fellowship training in gastroenterology and liver disease at the University of Missouri. Dr. Ravendhran received a master’s degree in business administration in medical services management from The Johns Hopkins University. He is a fellow of the American Association for the Study of Liver Diseases and the American Gastroenterological Association, and is a member of the European Association for the Study of the Liver. Dr. Ravendhran is interested in exploring cholestatic disorders. He has participated in many clinical trials that focus on hepatitis B and C, in addition to metabolic dysfunction-associated steatotic liver disease trials. He enjoys teaching, rounding with fellows and seeing patients, and his motto is “Patients come first!”. Dr. Ravendhran is rated as an Experienced provider by MediFind in the treatment of Rotor Syndrome. His top areas of expertise are Non-Alcoholic Fatty Liver Disease, Hepatitis, Visceromegaly, Enlarged Liver, and Endoscopy.

Gabriel Obiadi is a Pediatrics provider in Laurel, Maryland. Dr. Obiadi is rated as an Experienced provider by MediFind in the treatment of Rotor Syndrome. His top area of expertise is Rotor Syndrome.

Lauren Halvorson is a Gastroenterologist in Laurel, Maryland. Dr. Halvorson is rated as an Experienced provider by MediFind in the treatment of Rotor Syndrome. Her top areas of expertise are Gastric Dysmotility, Gastroesophageal Reflux Disease (GERD), Irritable Bowel Syndrome (IBS), Endoscopy, and Colonoscopy.

Claire Zhang is an Internal Medicine specialist and a Gastroenterologist in Elkton, Maryland. Dr. Zhang has been practicing medicine for over 17 years and is rated as an Experienced provider by MediFind in the treatment of Rotor Syndrome. Her top areas of expertise are Hemorrhoids, Tenesmus, Familial Adenomatous Polyposis, Gastroesophageal Reflux Disease (GERD), and Endoscopy.

Darryn Potosky is a Gastroenterologist in Laurel, Maryland. Dr. Potosky is rated as an Experienced provider by MediFind in the treatment of Rotor Syndrome. His top areas of expertise are Primary Biliary Cholangitis, Reynolds Syndrome, Nonalcoholic Steatohepatitis (NASH), Liver Transplant, and Thrombectomy.

Dr. Rameen J. Molavi is part-time on the medical faculty as an instructor in medicine in the division of General Internal Medicine within the Department of Medicine at the Johns Hopkins University School of Medicine. His area of clinical expertise is internal medicine. Dr. Molavi is also the managing physician and chair of Park Medical Associates, a member of Johns Hopkins Regional Physicians. He is the recipient of the 2025 Samuel P. Asper Award for excellence in medicine from the Maryland Chapter of the American College of Physicians. Dr. Molavi holds a B.A. in biology from Rice University in Houston, TX. He earned his M.D. at the Johns Hopkins University School of Medicine. He completed his internship and residency in categorical internal medicine at the Washington University School of Medicine Barnes-Jewish Hospital in St. Louis, MO. He began medical practice in Lutherville in 1999 and joined Park Medical Associates in 2009. His practice focus is on primary care for adults of all ages. Recent News Articles and Media Coverage Dr. Rameen Molavi: COVID-19 Testing Realities, WYPR (April 28, 2020) Samuel Asper Award, American College of Physicians (2025). Dr. Molavi is rated as an Experienced provider by MediFind in the treatment of Rotor Syndrome. His top areas of expertise are Mesenteric Venous Thrombosis, Glucocorticoid-Remediable Aldosteronism, Familial Hypertension, and Hypertension.

Joseph Lin is a Gastroenterologist in Rosedale, Maryland. Dr. Lin is rated as an Experienced provider by MediFind in the treatment of Rotor Syndrome. His top areas of expertise are Attenuated Familial Adenomatous Polyposis, Juvenile Polyposis Syndrome, Cronkhite-Canada Disease, and Lactose Intolerance.