Zachary Thomas, M.D.
NPI 1326453119 · Family Medicine Physician · San Diego, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Zachary Thomas, M.D. is a Family Medicine Physician provider in San Diego, CA (NPI 1326453119).
Provider details
- NPI number
- 1326453119
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A145023 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
11 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 · 36 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 129 | 47 |
| Losartan Potassium | 64 | 20 |
| Lisinopril | 52 | 20 |
| Amlodipine Besylate | 51 | 22 |
| Metformin Hcl | 51 | 19 |
| Levothyroxine Sodium | 35 | 12 |
| Tamsulosin Hcl |
Practice location
Mailing address
Registry dates
- Enumerated
- 2014-06-30
- Last updated
- 2017-09-28
Frequently asked questions
- What is Zachary Thomas's NPI number?
- Zachary Thomas's National Provider Identifier (NPI) is 1326453119, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Zachary Thomas's specialty?
- Zachary Thomas is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Zachary Thomas located?
- Zachary Thomas's practice location on file with NPPES is 5454 El Cajon Blvd, San Diego, CA 92115-3621.
- What is Zachary Thomas's phone number?
- The practice phone number listed in the NPPES registry for Zachary Thomas is (619) 515-2400.
- Does Zachary Thomas accept Medicare?
- Zachary Thomas is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Zachary Thomas's NPI active?
- Yes — Zachary Thomas's NPI (1326453119) is active in the NPPES registry as of the last update on 2017-09-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.