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 / MO

JAMES A PETTERCHAK, MD

PATHOLOGY

Medical school: SAINT LOUIS UNIVERSITY SCHOOL OF MEDICINE

Graduated: 1993

NPI: 1598832032

Practice Locations (2)

PARKWAY PATHOLOGY GROUP INC

3015 N BALLAS RD

SAINT LOUIS, MO 631312329

3149965000

PARKWAY PATHOLOGY GROUP INC

10 HOSPITAL DR

SAINT PETERS, MO 633761659

6369169650

Source: CMS National Downloadable File, September 2026.

JAMES PETTERCHAK, MD | HealthCareAtlasUSA