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General Practice

Arnaldo L. Rosario, MD

Sees patients in Cayey, PR · Puerto Rico

Summary

Dr. Arnaldo L. Rosario, MD is a general practitioner at 161 St Luis Barreras, Cayey, PR 00736. Phone: (787) 263-8466. Accepts Medicare assignment. NPI 1831262500. Source: CMS National Downloadable File, updated October 2, 2026.

  • Specialty: General practitioner (Medicare lists General Practice)
  • Address: 161 St Luis Barreras, Cayey, PR 00736 · Directions (1 more location)
  • Phone: (787) 263‑8466
  • Medicare: Accepts Medicare assignment
  • Medical school: graduated 1985 (41 years since medical school)
  • Gender (as listed): Male
Call(787) 263‑8466 NPI Registry record Medicare profile

From official Medicare data

This page shows what Medicare's official clinician data says about Arnaldo L. Rosario, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Arnaldo L. Rosario accept Medicare assignment?
Yes. Medicare's clinician data says Arnaldo L. Rosario accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
What is Arnaldo L. Rosario's NPI number?
1831262500. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where Arnaldo L. Rosario is enrolled with Medicare (CMS data updated October 2, 2026).

  • 161 St Luis BarrerasCayey, PR 00736 (787) 263‑8466
  • St Luis Barreras, Suite 161Cayey, PR 00736

Specialties

Find other General Practice doctors in Puerto Rico →

Other general practitioners in Cayey

Clinicians with the same Medicare primary specialty in Cayey, PR — not a recommendation.

All general practitioners in Cayey →

Clinician information

CredentialMD
Graduation year1985 (41 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1831262500
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians