Javier De La Rosa, MD
NPI 1033798780 · Student in an Organized Health Care Education/Training Program · Fontana, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Javier De La Rosa, MD is a Student in an Organized Health Care Education/Training Program provider in Fontana, CA (NPI 1033798780).
Provider details
- NPI number
- 1033798780
- Entity type
- Individual
- Primary specialty
- Student in an Organized Health Care Education/Training ProgramStudent, Health Care
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Student, Health Care
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
83% 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 · 16 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 29 | 12 |
| Losartan Potassium | 27 | 13 |
| Naproxen | 26 | 26 |
| Metformin Hclbrand: Metformin Hcl Er | 23 | — |
| Lisinopril | 19 | 11 |
| Amlodipine Besylate | 19 | 11 |
| Furosemide | 16 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2021-04-07
- Last updated
- 2021-12-03
- Certified
- 2021-04-07
Frequently asked questions
- What is Javier De La Rosa's NPI number?
- Javier De La Rosa's National Provider Identifier (NPI) is 1033798780, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Javier De La Rosa's specialty?
- Javier De La Rosa is listed in the NPPES registry with a primary specialty of Student in an Organized Health Care Education/Training Program (Student, Health Care).
- Where is Javier De La Rosa located?
- Javier De La Rosa's practice location on file with NPPES is 9961 Sierra Ave, Fontana, CA 92335-6720.
- What is Javier De La Rosa's phone number?
- The practice phone number listed in the NPPES registry for Javier De La Rosa is (833) 574-2273.
- Does Javier De La Rosa accept Medicare?
- Javier De La Rosa is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Javier De La Rosa's NPI active?
- Yes — Javier De La Rosa's NPI (1033798780) is active in the NPPES registry as of the last update on 2021-12-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.