Physician Profile
Based in San Rafael, CA, Neal S. Birnbaum, M.D. is listed in the NPI registry under rheumatology. Neal graduated from Ohio State University College of Medicine in 1970. According to Medicare claims data, Neal cared for 756 Medicare patients across 29,017 services. The services billed most often include injection, golimumab, 1 mg, for intravenous use, injection, denosumab, 1 mg, and visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient'.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
4000 CIVIC CENTER DR STE 200A
San Rafael, CA 94903
2100 Webster St STE 112
San Francisco, CA 94115
Within Rheumatology 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
Autoimmune
Bone
Bone Health
Connective Tissue
Genetic & Connective Tissue
Inflammatory
Joints
Nerve & Tendon
Skin & Soft Tissue
Skin & Vascular
Soft Tissue
Spine & Back
Vascular
Most searched procedures
Consultation
Consultations
Diagnostics & Injections
Education & Support
Imaging
Injections
Lab & Diagnostics
Lab Work
Medication Management
Pain Relief
Regenerative Medicine
29,017 services · 756 patients · 13 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Aspiration and/or injection of fluid from large joint | Procedure | 20610 |
24 | Less often than most peers in Rheumatology |
| Administration of chemotherapy into vein, 1 hour or less | Treatment | 96413 |
156 | As often as other peers in Rheumatology |
| Administration of non-hormonal anti-neoplastic chemotherapy under skin or into muscle | Treatment | 96401 |
85 | Less often than most peers in Rheumatology |
| Infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less | Treatment | 96365 |
79 | As often as other peers in Rheumatology |
| Injection, golimumab, 1 mg, for intravenous use | Drug given | J1602 |
24,757 | More often than most peers in Rheumatology |
| Injection, denosumab, 1 mg | Drug given | J0897 |
2,820 | As often as other peers in Rheumatology |
| Injection, triamcinolone acetonide, not otherwise specified, 10 mg | Drug given | J3301 |
143 | As often as other peers in Rheumatology |
| Injection, zoledronic acid, 1 mg | Drug given | J3489 |
55 | Less often than most peers in Rheumatology |
| Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient' | Billing code | G2211 |
401 | More often than most peers in Rheumatology |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
364 | More often than most peers in Rheumatology |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Neal S. Birnbaum is a rheumatologist in San Rafael, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Rheumatology”.
NPI registry
Neal S. Birnbaum is listed at 4000 Civic Center Dr Ste 200A, San Rafael, CA 94903. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (415) 464-9604. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Neal S. Birnbaum's National Provider Identifier is 1437142882. 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
Neal S. Birnbaum attended Ohio State University College of Medicine, graduating in 1970. This comes from the CMS National Downloadable File.
CMS public data
Neal S. Birnbaum has 56 years experience. Calculated from a graduation year of 1970, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Neal S. Birnbaum performs procedures including aspiration and/or injection of fluid from large joint; provides treatments such as administration of chemotherapy into vein, 1 hour or less and administration of non-hormonal anti-neoplastic chemotherapy under skin or into muscle, 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 Neal S. Birnbaum. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.