Dr. Atul P. Shah

Barbara Merovich, MD, is an internal medicine specialist and is certified by the American Board of Internal Medicine. She received her medical degree from Universidad Maimonides , Buenos Aires, Argentina, and completed her residency at Hospital Pirovano, Buenos Aires, followed by a second  three-year internal medicine residency at UPMC Presbyterian and UPMC Shadyside. Dr. Merovich is rated as an Advanced provider by MediFind in the treatment of Chronic Rhinosinusitis with Nasal Polyps (CRSwNP). Her top areas of expertise are Diabetic Neuropathy, Chronic Rhinosinusitis with Nasal Polyps (CRSwNP), Hypothyroidism, and Type 2 Diabetes (T2D).

Prashan Thiagarajah, MD, specializes and is certified in internal medicine by the American Board of Internal Medicine. He practices at GMA/Dayalan and Associates, Family Medicine and is affiliated with UPMC Passavant. Dr. Thiagarajah completed his residency at Allegheny General Hospital and medical degree from Ross University School of Medicine. Dr. Thiagarajah is rated as a Distinguished provider by MediFind in the treatment of Chronic Rhinosinusitis with Nasal Polyps (CRSwNP). His top areas of expertise are Multiple Carboxylase Deficiency, Folate Deficiency, Vitamin B12 Deficiency Anemia, Endoscopy, and Pacemaker Implantation.

George Vanweelden is a primary care provider, practicing in Internal Medicine in Wintersville, Ohio. Dr. Vanweelden is rated as an Advanced provider by MediFind in the treatment of Chronic Rhinosinusitis with Nasal Polyps (CRSwNP). His top areas of expertise are Glucocorticoid-Remediable Aldosteronism, Hypertension, Familial Hypertension, and Maturity Onset Diabetes of the Young. Dr. Vanweelden is currently accepting new patients.