James Walls, M.D.
NPI 1265787972 · Family Medicine Physician · Martinez, CA
Enrolled with Medicare as Order and Referring Only - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
James Walls, M.D. is a Family Medicine Physician provider in Martinez, CA (NPI 1265787972).
Provider details
- NPI number
- 1265787972
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A122114 (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
13 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 · 81 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 328 | 113 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 154 | 21 |
| Amlodipine Besylate | 151 | 49 |
| Gabapentin | 117 | 36 |
| Metformin Hcl | 107 | 37 |
| Losartan Potassium | 99 | 36 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2012-07-18
- Last updated
- 2012-07-18
Frequently asked questions
- What is James Walls's NPI number?
- James Walls's National Provider Identifier (NPI) is 1265787972, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is James Walls's specialty?
- James Walls is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is James Walls located?
- James Walls's practice location on file with NPPES is 2500 Alhambra Ave, Martinez, CA 94553-3156.
- What is James Walls's phone number?
- The practice phone number listed in the NPPES registry for James Walls is (925) 370-5200.
- Does James Walls accept Medicare?
- James Walls is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is James Walls's NPI active?
- Yes — James Walls's NPI (1265787972) is active in the NPPES registry as of the last update on 2012-07-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.