James Gardner, M.D.
NPI 1255447330 · General Practice Physician · Greenbrae, CA
James Gardner, M.D. is a General Practice Physician provider in Greenbrae, CA (NPI 1255447330).
Provider details
- NPI number
- 1255447330
- Entity type
- Individual
- Primary specialty
- General Practice PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- G060562 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
19 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 44 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 112 | 31 |
| Progesterone, Micronizedbrand: Progesterone | 62 | 17 |
| Liothyronine Sodium | 52 | 15 |
| Rosuvastatin Calcium | 51 | 16 |
| Atorvastatin Calcium | 43 | 13 |
| Celecoxib | 41 | 11 |
| Montelukast Sodium | 35 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$224 across 3 records (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
- 2006-08-22
- Last updated
- 2007-07-08
Frequently asked questions
- What is James Gardner's NPI number?
- James Gardner's National Provider Identifier (NPI) is 1255447330, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is James Gardner's specialty?
- James Gardner is listed in the NPPES registry with a primary specialty of General Practice Physician (Allopathic & Osteopathic Physicians).
- Where is James Gardner located?
- James Gardner's practice location on file with NPPES is 599 Sir Francis Drake Blvd, Greenbrae, CA 94904-1712.
- What is James Gardner's phone number?
- The practice phone number listed in the NPPES registry for James Gardner is (415) 925-8888.
- Is James Gardner's NPI active?
- Yes — James Gardner's NPI (1255447330) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.