This site republishes official CMS/Medicare Care Compare data. It is not medical advice and does not recommend any specific hospital or treatment — for medical decisions, talk to a doctor.

Doctors / OH

JOHN R PARKER, MD

OBSTETRICS/GYNECOLOGY

Medical school: TEXAS TECH UNIVERSITY HEALTH SCIENCE CENTER SCHOOL OF MEDICINE

Graduated: 2007

NPI: 1518142843

Practice Locations (2)

OHIOHEALTH CORPORATION

3535 OLENTANGY RIVER RD

COLUMBUS, OH 432143908

OHIOHEALTH CORPORATION

393 E TOWN ST

COLUMBUS, OH 432154799

Source: CMS National Downloadable File, September 2026.