HealthCareAtlasUSA

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 / CA

BENJAMIN R OLDACH, DO

FAMILY PRACTICE

Medical school: OHIO UNIVERSITY, COLLEGE OF OSTEOPATHIC MEDICINE

Graduated: 2017

NPI: 1366930893

Practice Locations (3)

CHAPA-DE INDIAN HEALTH PROGRAM, INC.

11670 ATWOOD RD

AUBURN, CA 956039522

5308872800

CHAPA-DE INDIAN HEALTH PROGRAM, INC.

1350 E MAIN ST

GRASS VALLEY, CA 959455208

5304778545

DIGNITY HEALTH MEDICAL FOUNDATION

280 SIERRA COLLEGE DR, SUITE 120

GRASS VALLEY, CA 959455763

5304774420

Source: CMS National Downloadable File, September 2026.

BENJAMIN OLDACH, DO | HealthCareAtlasUSA