Overview
Roy Warren is a primary care provider, practicing in Family Medicine in Johnstown, Pennsylvania. Dr. Warren is rated as an Experienced provider by MediFind in the treatment of Arginase Deficiency. His top areas of expertise are Epilepsy, Memory Loss, Hypothyroidism, and Urinary Tract Infection in Children.
Insurance
Accepted insurance can change. Please verify directly with the provider.
Locations
UPMC Primary Care
Brett Scharf, DO, specializes in family medicine. He practices at Mainline Medical Associates and is affiliated with UPMC Altoona. He completed his residency at Altoona Hospital and medical degree at New York College of Osteopathic Medicine of New York Institute of Technology. Dr. Scharf is rated as a Distinguished provider by MediFind in the treatment of Arginase Deficiency. His top areas of expertise are Alzheimer's Disease, Necrotizing Myopathy (NM), Parkinson's Disease, and Decorticate Posture.
UPMC Primary Care
Jennifer Murnyack Garner, DO, specializes in family medicine and is certified by the American Board of Family Medicine. She practices at Blair Medical Associates, Family Practice and is affiliated with UPMC Altoona. She completed her residency at UPMC Altoona and medical degree at Philadelphia College of Osteopathic Medicine. Dr. Garner is rated as an Advanced provider by MediFind in the treatment of Arginase Deficiency. Her top areas of expertise are Postmenopausal Osteoporosis, Osteoporosis, Pediatric Myocarditis, and Acute Myeloid Leukemia (AML).
Larry Plundo is a primary care provider, practicing in Family Medicine in Greensburg, Pennsylvania. Dr. Plundo is rated as an Advanced provider by MediFind in the treatment of Arginase Deficiency. His top areas of expertise are Dementia, Maturity Onset Diabetes of the Young, Type 2 Diabetes (T2D), and Anemia.
Areas of Expertise
MediFind evaluates expertise by pulling from factors such as number of articles a doctor has published in medical journals, participation in clinical trials, speaking at industry conferences, prescribing and referral patterns, and strength of connections with other experts in their field.
Learn more about MediFind’s expert tiers
- Advanced
- EpilepsyDr. Warren isAdvanced. Learn about Epilepsy.
- Experienced
- Acute Kidney FailureDr. Warren isExperienced. Learn about Acute Kidney Failure.
- AnemiaDr. Warren isExperienced. Learn about Anemia.
- ApoplexyDr. Warren isExperienced. Learn about Apoplexy.
- Arginase DeficiencyDr. Warren isExperienced. Learn about Arginase Deficiency.
- Autosomal Dominant HypocalcemiaDr. Warren isExperienced. Learn about Autosomal Dominant Hypocalcemia.
- Carbamoyl Phosphate Synthetase 1 Deficiency

