Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

John Belzer, MD

Individual provider Sports Medicine (Orthopaedic Surgery) Physician · NPI 1417043993

John Belzer, MD is an Orthopedic Surgery in San Francisco, California. Graduated from Yale University School of Medicine in 1988, 38 years ago. Practices with California Pacific Orthopaedics and Sports Medicine a Medical Corporat, a 31-clinician group, accepts Medicare assignment and offers telehealth. Licensed in California.

Years since qualifying
38
Trained at
Yale University School of Medicine
Licensed in
CA
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

3838 California St Ste 715
San Francisco, CA 94118-1522
Phone: (415) 592-2014
Fax: (415) 752-2560
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Sports Medicine (Orthopaedic Surgery) Physician (primary) Taxonomy 207XX0005X · Licence G68596 (CA)

Record details

NPI number1417043993
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedOctober 4, 2006
Last updated in NPPESFebruary 16, 2021
Certification dateFebruary 16, 2021
Mailing address3838 California St, Suite 715, San Francisco, CA 94118-1522

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyORTHOPEDIC SURGERY
Medical schoolYALE UNIVERSITY SCHOOL OF MEDICINE
Graduated 1988 (38 years in practice)
Group practice California Pacific Orthopaedics And Sports Medicine A Medical Corporat — 31 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations2 on file with Medicare

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