Dr. William E. Johns

William Mercer is a primary care provider, practicing in Family Medicine in Wheeling, West Virginia. Dr. Mercer is rated as a Distinguished provider by MediFind in the treatment of Pneumonia. His top areas of expertise are Secondary Immunodeficiency (SID), Cystic Fibrosis, Newborn Jaundice, Ureteroscopy, and Gastrostomy. Dr. Mercer is currently accepting new patients.

Daniel Holt is a primary care provider, practicing in Family Medicine in Fredericktown, Pennsylvania. Dr. Holt is rated as an Advanced provider by MediFind in the treatment of Pneumonia. His top areas of expertise are Type 1 Diabetes (T1D), Coal Worker's Pneumoconiosis, Lymphadenitis, and Alpha-1 Antitrypsin Deficiency (AATD).

Daniel Grob, MD, specializes and is certified in family medicine by the American Board of Family Medicine. He practices at Grob, Scheri, Woodburn and Griffin Family Medicine. Dr. Grob is affiliated with UPMC Passavant. He completed his residency and medical degree at University of Pittsburgh School of Medicine. Dr. Grob is rated as a Distinguished provider by MediFind in the treatment of Pneumonia. His top areas of expertise are Cirrhosis, Xanthoma, Familial Combined Hyperlipidemia, Endoscopy, and Hip Replacement.