Gustavo Martinez, RPH
NPI 1619561818 · Pharmacist · Ontario, CA
Gustavo Martinez, RPH is a Pharmacist provider in Ontario, CA (NPI 1619561818).
Provider details
- NPI number
- 1619561818
- Entity type
- Individual
- Primary specialty
- PharmacistPharmacy Service Providers
- Credential
- RPH
- Sex
- Male
- Sole proprietor
- No
- License
- 84088 (CA)
Specialties & taxonomies
Pharmacy Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
5 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 · 31 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 245 | 153 |
| Semaglutidebrand: Ozempic | 141 | 40 |
| Lisinopril | 137 | 78 |
| Amlodipine Besylate | 137 | 85 |
| Losartan Potassium | 122 | 74 |
| Metformin Hclbrand: Metformin Hcl Er | 92 | 58 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2021-02-27
- Last updated
- 2021-02-27
- Certified
- 2021-02-27
Frequently asked questions
- What is Gustavo Martinez's NPI number?
- Gustavo Martinez's National Provider Identifier (NPI) is 1619561818, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gustavo Martinez's specialty?
- Gustavo Martinez is listed in the NPPES registry with a primary specialty of Pharmacist (Pharmacy Service Providers).
- Where is Gustavo Martinez located?
- Gustavo Martinez's practice location on file with NPPES is 2295 S Vineyard Ave Bldg D, Ontario, CA 91761-7925.
- What is Gustavo Martinez's phone number?
- The practice phone number listed in the NPPES registry for Gustavo Martinez is (909) 724-3120.
- Is Gustavo Martinez's NPI active?
- Yes — Gustavo Martinez's NPI (1619561818) is active in the NPPES registry as of the last update on 2021-02-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.