Joana Loeza, MD
NPI 1477047629 · Family Medicine Physician · Martinez, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Joana Loeza, MD is a Family Medicine Physician provider in Martinez, CA (NPI 1477047629).
Provider details
- NPI number
- 1477047629
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- A164607 (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
7 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 · 9 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 35 | 13 |
| Gabapentin | 22 | — |
| Losartan Potassium | 21 | — |
| Amlodipine Besylate | 17 | — |
| Insulin Glargine,hum.rec.anlogbrand: Basaglar Kwikpen U-100 | 16 | — |
| Omeprazole | 14 | — |
| Metformin Hcl |
Practice location
Mailing address
Registry dates
- Enumerated
- 2018-06-20
- Last updated
- 2025-05-01
- Certified
- 2025-05-01
Frequently asked questions
- What is Joana Loeza's NPI number?
- Joana Loeza's National Provider Identifier (NPI) is 1477047629, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joana Loeza's specialty?
- Joana Loeza is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Joana Loeza located?
- Joana Loeza's practice location on file with NPPES is 2500 Alhambra Ave, Martinez, CA 94553-3156.
- What is Joana Loeza's phone number?
- The practice phone number listed in the NPPES registry for Joana Loeza is (925) 370-5000.
- Does Joana Loeza accept Medicare?
- Joana Loeza is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Joana Loeza's NPI active?
- Yes — Joana Loeza's NPI (1477047629) is active in the NPPES registry as of the last update on 2025-05-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.