Ower Castro
NPI 1588950216 · Family Medicine Physician · West Covina, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ower Castro is a Family Medicine Physician provider in West Covina, CA (NPI 1588950216).
Provider details
- NPI number
- 1588950216
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- No
- License
- A128427 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
15 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
4 documented practice locations
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 · 12 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Metformin Hcl | 53 | 19 |
| Atorvastatin Calcium | 43 | 17 |
| Lisinopril | 36 | 15 |
| Amlodipine Besylate | 24 | 13 |
| Losartan Potassium | 22 | 11 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 17 | — |
Practice location
Mailing address
Additional practice locations (3)
- 210 W San Bernardino RdCovina, CA 91723-1515Phone: (626) 331-7331
- 9655 Monte Vista Ave Ste 402Montclair, CA 91763-2238Phone: (909) 626-1205Fax: (909) 670-0473
- 790 E Bonita Ave2nd FloorPomona, CA 91767-1906Phone: (909) 447-8585Fax: (909) 447-8593
Registry dates
- Enumerated
- 2011-06-21
- Last updated
- 2024-01-30
- Certified
- 2024-01-30
Frequently asked questions
- What is Ower Castro's NPI number?
- Ower Castro's National Provider Identifier (NPI) is 1588950216, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ower Castro's specialty?
- Ower Castro is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Ower Castro located?
- Ower Castro's practice location on file with NPPES is 1115 S Sunset Ave, West Covina, CA 91790-3940.
- What is Ower Castro's phone number?
- The practice phone number listed in the NPPES registry for Ower Castro is (626) 962-4011.
- Does Ower Castro accept Medicare?
- Ower Castro is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ower Castro's NPI active?
- Yes — Ower Castro's NPI (1588950216) is active in the NPPES registry as of the last update on 2024-01-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.