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

JOHN M WIEMANN IV, MD

ORTHOPEDIC SURGERY

Medical school: UNIVERSITY OF CALIFORNIA, SAN DIEGO SCHOOL OF MEDICINE

Graduated: 2006

NPI: 1730228768

Practice Locations (1)

HAZEL HAWKINS MEMORIAL HOSPITAL

911 SUNSET DR

HOLLISTER, CA 950235606

83163726262601

Source: CMS National Downloadable File, September 2026.

JOHN WIEMANN, MD | HealthCareAtlasUSA