Gabriel Flaxman, MD
NPI 1063688836 · Family Medicine Physician · Vallejo, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gabriel Flaxman, MD is a Family Medicine Physician provider in Vallejo, CA (NPI 1063688836).
Provider details
- NPI number
- 1063688836
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A110186 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 · 39 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 239 | 97 |
| Amlodipine Besylate | 107 | 46 |
| Losartan Potassium | 74 | 33 |
| Lisinopril | 64 | 23 |
| Allopurinol | 51 | 18 |
| Famotidine | 46 | 18 |
| Losartan/Hydrochlorothiazidebrand: Losartan-Hydrochlorothiazide | 37 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-05-01
- Last updated
- 2021-12-15
Frequently asked questions
- What is Gabriel Flaxman's NPI number?
- Gabriel Flaxman's National Provider Identifier (NPI) is 1063688836, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gabriel Flaxman's specialty?
- Gabriel Flaxman is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Gabriel Flaxman located?
- Gabriel Flaxman's practice location on file with NPPES is 975 Sereno Dr, Vallejo, CA 94589-2441.
- What is Gabriel Flaxman's phone number?
- The practice phone number listed in the NPPES registry for Gabriel Flaxman is (707) 651-1025.
- Does Gabriel Flaxman accept Medicare?
- Gabriel Flaxman is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gabriel Flaxman's NPI active?
- Yes — Gabriel Flaxman's NPI (1063688836) is active in the NPPES registry as of the last update on 2021-12-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.