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Edit this profileJohn 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. The services billed most often include hyaluronan or derivative, durolane, for intra-articular injection, 1 mg, hyaluronan or derivative, trivisc, for intra-articular injection, 1 mg, and injection, triamcinolone acetonide, not otherwise specified, 10 mg. This provider record is associated with NPI 1417043993.
Factual summary compiled by Guide.md from public records; not written by this provider.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
3838 CALIFORNIA ST SUITE 715
San Francisco, CA 94118
Within Orthopedic Surgery generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Most searched conditions
Elbow, hand, and wrist
Foot and ankle
Hip
Shoulder
Sports and soft tissue
Trauma and bone
Foot & Ankle
Spine
Most searched procedures
Evaluation and nonsurgical
Arthroscopy
Foot & Ankle
Foot and ankle
Hand & Wrist
Hand and upper extremity
Injections & Non-Surgical
Injections & pain relief
Joint replacement
Knee
Shoulder surgery
Trauma & Fractures
Trauma and fixation
6,392 services · 1,580 patients · 17 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Aspiration and/or injection of fluid from large joint | Procedure | 20610 |
164 | More often than most peers in Orthopedic Surgery |
| Replacement of knee joint, both sides of knee | Procedure | 27447 |
49 | More often than most peers in Orthopedic Surgery |
| Prosthetic repair of shoulder joint, total shoulder | Procedure | 23472 |
39 | More often than most peers in Orthopedic Surgery |
| Removal of knee cartilage using an endoscope | Procedure | 29881 |
14 | As often as other peers in Orthopedic Surgery |
| X-ray of shoulder, minimum of 2 views | Imaging | 73030 |
142 | More often than most peers in Orthopedic Surgery |
| X-ray of knee, 3 views | Imaging | 73562 |
138 | More often than most peers in Orthopedic Surgery |
| Mri scan of leg joint without contrast | Imaging | 73721 |
78 | More than most peers in Orthopedic Surgery |
| Mri scan of arm joint without contrast | Imaging | 73221 |
40 | More often than most peers in Orthopedic Surgery |
| X-ray of knee, 1-2 views | Imaging | 73560 |
32 | As often as other peers in Orthopedic Surgery |
| Hyaluronan or derivative, durolane, for intra-articular injection, 1 mg | Drug given | J7318 |
1,790 | As often as other peers in Orthopedic Surgery |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
John Belzer is an orthopedic surgeon in San Francisco, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Orthopedic Surgery”.
NPI registry
John 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
The number on file is (415) 592-2014. Contact the office directly to confirm availability and scheduling.
NPI registry
John 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
John Belzer attended Yale University School of Medicine, graduating in 1988. This comes from the CMS National Downloadable File.
CMS public data
John Belzer has 38 years experience. Calculated from a graduation year of 1988, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, John 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
Not yet. This profile is built from public federal data and has not been confirmed by John Belzer. If this is you, claiming it is free.
Guide.md
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