Gary Birnbaum, M.D.
NPI 1972685972 · Family Medicine Physician · San Francisco, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gary Birnbaum, M.D. is a Family Medicine Physician provider in San Francisco, CA (NPI 1972685972).
Provider details
- NPI number
- 1972685972
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- G36641 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,811 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Subsequent Nursing Facility Care With Straightforward Level of Medical Decision Making, Per Day, If Using Time, 20 Minutes Or More99308 | 1,594 | $86 |
| Subsequent Nursing Facility Care With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99309 | 63 | $124 |
| Advance Care Planning, First 30 Minutes99497 | 59 | $84 |
| Initial Nursing Facility Care With High Level of Medical Decision Making, Per Day, If Using Time, 50 Minutes Or More99306 | 58 | $206 |
| Nursing Facility Discharge Management, More Than 30 Minutes99316 | 37 | $147 |
Typical Medicare-allowed amounts for these services range $84–$206 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 31 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Apixabanbrand: Eliquis | 55 | — |
| Mirabegronbrand: Myrbetriq | 42 | — |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 38 | 12 |
| Gabapentin | 33 | 11 |
| Atorvastatin Calcium | 28 | 12 |
| Rosuvastatin Calcium | 28 | 11 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$28 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-10-19
- Last updated
- 2022-07-21
Frequently asked questions
- What is Gary Birnbaum's NPI number?
- Gary Birnbaum's National Provider Identifier (NPI) is 1972685972, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gary Birnbaum's specialty?
- Gary Birnbaum is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Gary Birnbaum located?
- Gary Birnbaum's practice location on file with NPPES is 1580 Valencia St Ste 201, San Francisco, CA 94110-4420.
- What is Gary Birnbaum's phone number?
- The practice phone number listed in the NPPES registry for Gary Birnbaum is (415) 550-4710.
- Does Gary Birnbaum accept Medicare?
- Gary Birnbaum is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gary Birnbaum's NPI active?
- Yes — Gary Birnbaum's NPI (1972685972) is active in the NPPES registry as of the last update on 2022-07-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.