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 a Distinguished provider by MediFind in the treatment of Macroamylasemia. His top areas of expertise are Non-Alcoholic Fatty Liver Disease, Hepatitis, Visceromegaly, Enlarged Liver, and Endoscopy.

Dr. Hamilton is an Associate Professor of Medicine in the Division of Gastroenterology and Hepatology. He is the Interim Director, Division of Gastroenterology and Hepatology and the Director of Hepatology for Johns Hopkins Medicine. His clinical specialties include Wilson Disease, Cystic Fibrosis related liver disease, liver transplantation, hepatocellular carcinoma, cirrhosis, portal hypertension, acute and chronic viral, non-alcoholic fatty liver disease (NASH), autoimmune, and cholestatic liver disease. His research interests include the copper homeostasis and its regulation of lipid metabolism and liver injury, the fundamental mechanisms regulating liver fibrosis, and the molecular genetics of hepatocellular carcinoma and early detection biomarkers. Dr. Hamilton is a 2005 recipient of the National Institutes of Health/ National Research Scholar Award for gastroenterology and hepatology. Dr. Hamilton is rated as an Experienced provider by MediFind in the treatment of Macroamylasemia. His top areas of expertise are Hepatitis, Esophageal Varices, Autoimmune Hepatitis, Endoscopy, and Carotid Artery Surgery.

David Hutcheon is a Gastroenterologist in Lutherville, Maryland. Dr. Hutcheon is rated as an Experienced provider by MediFind in the treatment of Macroamylasemia. His top areas of expertise are Gastrointestinal Bleeding, Intestinal Cancer, Angiodysplasia of the Colon, Colonoscopy, and Endoscopy.

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 Macroamylasemia. His top areas of expertise are Mesenteric Venous Thrombosis, Glucocorticoid-Remediable Aldosteronism, Familial Hypertension, and Hypertension.

Brenda Lapkovsky, M.D., is a family medicine provider at Johns Hopkins Community Physicians' Green Spring Station location. Dr. Lapkovsky earned her Doctor of Medicine from Ross University, School of Medicine. She completed a residency in family practice at Robert Wood Johnson University Hospital in New Brunswick, NJ, and a residency internship in internal medicine at Icahn School of Medicine at Mount Sinai in New York. Dr. Lapkovsky is rated as an Experienced provider by MediFind in the treatment of Macroamylasemia. Her top areas of expertise are Hypertension, Familial Hypertension, Glucocorticoid-Remediable Aldosteronism, and Vitamin D Deficiency.

David Cromwell is a Gastroenterologist in Towson, Maryland. Dr. Cromwell is rated as an Experienced provider by MediFind in the treatment of Macroamylasemia. His top areas of expertise are Gastrointestinal Bleeding, Familial Adenomatous Polyposis, Swallowing Difficulty, Endoscopy, and Colonoscopy.

Patricia Savadel is a primary care provider, practicing in Internal Medicine in Lutherville Timonium, Maryland. Dr. Savadel is rated as an Experienced provider by MediFind in the treatment of Macroamylasemia. Her top areas of expertise are Sitosterolemia, Crohn's Disease, Postmenopausal Osteoporosis, and Osteoporosis.

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 Macroamylasemia. His top areas of expertise are Jaundice, Macroamylasemia, Portal Hypertension, Endoscopy, and Colonoscopy.

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

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 Advanced provider by MediFind in the treatment of Macroamylasemia. His top areas of expertise are Gastric Dysmotility, Diverticular Disease, Diarrhea, Endoscopy, and Gastrectomy.

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

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

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

Paul Thuluvath is a Gastroenterologist in Lutherville, Maryland. Dr. Thuluvath is rated as an Advanced provider by MediFind in the treatment of Macroamylasemia. His top areas of expertise are Liver Failure, Hepatitis, Hepatitis C, Liver Transplant, and Endoscopy.

Edward Wolf is a Gastroenterologist in Baltimore, Maryland. Dr. Wolf is rated as an Advanced provider by MediFind in the treatment of Macroamylasemia. His top areas of expertise are Diverticular Disease, Gastroesophageal Reflux Disease (GERD), Barrett Esophagus, Colonoscopy, and Gastrectomy.

Arjun Vaid is a Gastroenterologist in Baltimore, Maryland. Dr. Vaid is rated as an Advanced provider by MediFind in the treatment of Macroamylasemia. His top areas of expertise are Jaundice, Irritable Bowel Syndrome (IBS), Hiccups, Colonoscopy, and Gastrectomy.

Dr. Sujay Pathak holds dual roles with Johns Hopkins Community Physicians as a primary care provider, and with the Johns Hopkins University School of Medicine, as director of the Advanced Ambulatory Clerkship. This position places him squarely at the intersection of primary care theory and practice. He brings both the theoretical expertise and the immense clinical resources of Johns Hopkins Medicine to the clinical care of individuals from all walks of life. As such, he holds himself to the standard of our great primary care leaders in the division of General Internal Medicine, and exemplifies for learners and patients the sort of personalized, expert, compassionate, and high-value care that you'd expect for yourself or your family. As the Physician Quality Champion for both the JHCP Remington Site, as well as for Johns Hopkins Community Physicians more broadly, Dr. Pathak helps JHCP providers embrace the future of healthcare and adapt their practice style to more effectively manage their patient panels. As such, he works to transform healthcare to meet the complex needs of our Johns Hopkins entire patient population, keeping their conditions well-managed, their preventive care needs met, and ultimately, ensuring the best possible outcome for each one. Videos The Hospital Elective: How a personal experience led one provider to create a chance for med students to 'walk in the shoes' of non physicians. Dr. Pathak is rated as an Experienced provider by MediFind in the treatment of Macroamylasemia. His top areas of expertise are Type 2 Diabetes (T2D), Maturity Onset Diabetes of the Young, Familial Hypertension, and Hypertension.

Kerri An Mross, M.D., practices internal medicine at Johns Hopkins Community Physicians Remington. She received her medical degree from Virginia Commonwealth University Medical College of Virginia, and completed her residency in internal medicine at University of Virginia School of Medicine. Dr. Mross is rated as an Experienced provider by MediFind in the treatment of Macroamylasemia. Her top areas of expertise are Hypertension, Familial Hypertension, Glucocorticoid-Remediable Aldosteronism, and Mycosis Fungoides.

Joyce Dietrich, M.D., practices internal medicine and pediatrics at Johns Hopkins Community Physicians White Marsh. She earned her medical degree from University of Massachusetts Medical School in Worcester, Massachusetts, and completed her residency training in both internal medicine and pediatrics at University of Maryland Medical System in Baltimore. She is fluent in French. Dr. Dietrich is rated as an Experienced provider by MediFind in the treatment of Macroamylasemia. Her top areas of expertise are Familial Combined Hyperlipidemia, Xanthoma, Macroamylasemia, and High Cholesterol.

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 Macroamylasemia. His top areas of expertise are High Potassium Level, Hypertension, Familial Hypertension, and Glucocorticoid-Remediable Aldosteronism.