Physician Profile
Unclaimed ProfileAbout BELZER
John Belzer, M.D. is a healthcare provider in San Francisco, CA specializing in orthopedic surgery. John trained at Yale University School of Medicine, graduating in 1988. John is also listed as specializing in orthopaedic sports medicine. Medicare claims data shows John provided 6,392 services to 1,580 patients.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (415) 592-2014
- Email not available
Practice Locations
3838 CALIFORNIA ST SUITE 715
San Francisco, CA 94118
Procedures Most Often Billed to Medicare
6,392 services · 1,580 patients · 17 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Aspiration and/or injection of fluid from large joint | Procedure | 20610 |
164 |
| Replacement of knee joint, both sides of knee | Procedure | 27447 |
49 |
| Prosthetic repair of shoulder joint, total shoulder | Procedure | 23472 |
39 |
| Removal of knee cartilage using an endoscope | Procedure | 29881 |
14 |
| X-ray of shoulder, minimum of 2 views | Imaging | 73030 |
142 |
| X-ray of knee, 3 views | Imaging | 73562 |
138 |
| Mri scan of leg joint without contrast | Imaging | 73721 |
78 |
| Mri scan of arm joint without contrast | Imaging | 73221 |
40 |
| X-ray of knee, 1-2 views | Imaging | 73560 |
32 |
| Hyaluronan or derivative, durolane, for intra-articular injection, 1 mg | Drug given | J7318 |
1,790 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other orthopedic surgeons at this location 3
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 3
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 30 related providers in 4 groups
Other orthopedic surgeons in San Francisco 8
Same specialty, same city.
Trained at Yale University School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 1988 at Yale University School of Medicine 6
Providers who graduated from the same medical school in the same year.
Also performs Aspiration and/or injection of fluid from large joint 8
Providers in CA who bill this service to Medicare most often.
Common questions
What kind of doctor is Dr. Belzer?
Dr. Belzer is an orthopedic surgeon in San Francisco, CA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “ORTHOPEDIC SURGERY”.
NPI registry
What is Dr. Belzer's address?
Dr. Belzer is listed at 3838 CALIFORNIA ST SUITE 715, San Francisco, CA 94118. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Belzer?
The number on file is (415) 592-2014. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Belzer?
Dr. Belzer's National Provider Identifier is 1417043993. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. Belzer train?
Dr. Belzer attended Yale University School of Medicine, graduating in 1988. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Belzer have?
Dr. Belzer has 38 years experience. Calculated from a graduation year of 1988, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Belzer perform?
According to Medicare billing data, Dr. Belzer performs procedures including aspiration and/or injection of fluid from large joint, replacement of knee joint, both sides of knee and prosthetic repair of shoulder joint, total shoulder; reads or performs imaging such as x-ray of shoulder, minimum of 2 views and x-ray of knee, 3 views, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Belzer's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Belzer. If this is you, claiming it is free.
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Claim this profileProvider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.