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

ALAN V GRUENEFELDT, MD

FAMILY PRACTICE

Medical school: OREGON HEALTH SCIENCES UNIVERSITY SCHOOL OF MEDICINE

Graduated: 1989

NPI: 1780795930

Practice Locations (1)

WESTERN SIERRA MEDICAL CLINIC INC

3111 PROFESSIONAL DR

AUBURN, CA 956032456

5302749762

Source: CMS National Downloadable File, September 2026.

ALAN GRUENEFELDT, MD | HealthCareAtlasUSA