Arnaldo Rosario, MD
NPI 1831262500 · General Practice Physician · Cayey, PR
Enrolled with Medicare as Practitioner - General Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Arnaldo Rosario, MD is a General Practice Physician provider in Cayey, PR (NPI 1831262500).
Provider details
- NPI number
- 1831262500
- Entity type
- Individual
- Primary specialty
- General Practice PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 9825 (PR)
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
19 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 · 111 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 453 | 127 |
| Gabapentin | 276 | 60 |
| Levothyroxine Sodiumbrand: Synthroid | 271 | 55 |
| Famotidine | 244 | 52 |
| Amlodipine Besylate | 224 | 63 |
| Metformin Hcl | 195 | 54 |
| Metoprolol Succinate |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-11-17
- Last updated
- 2010-09-14
Frequently asked questions
- What is Arnaldo Rosario's NPI number?
- Arnaldo Rosario's National Provider Identifier (NPI) is 1831262500, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Arnaldo Rosario's specialty?
- Arnaldo Rosario is listed in the NPPES registry with a primary specialty of General Practice Physician (Allopathic & Osteopathic Physicians).
- Where is Arnaldo Rosario located?
- Arnaldo Rosario's practice location on file with NPPES is Luis Barreras 174, Cayey, PR 00736-0000.
- What is Arnaldo Rosario's phone number?
- The practice phone number listed in the NPPES registry for Arnaldo Rosario is (787) 738-3011.
- Does Arnaldo Rosario accept Medicare?
- Arnaldo Rosario is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Arnaldo Rosario's NPI active?
- Yes — Arnaldo Rosario's NPI (1831262500) is active in the NPPES registry as of the last update on 2010-09-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.