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Internal Medicine

Jose M. Del Rio Ferrer, MD

Sees patients in Mayaguez, PR · Puerto Rico

Summary

Dr. Jose M. Del Rio Ferrer, MD is an internal medicine doctor at 55 Calle Virginia, Mayaguez, PR 00680. Phone: (787) 834-6985. Accepts Medicare assignment. NPI 1760515837. Source: CMS National Downloadable File, updated October 2, 2026.

  • Specialty: Internal medicine doctor (Medicare lists Internal Medicine)
  • Address: 55 Calle Virginia, Mayaguez, PR 00680 · Directions
  • Phone: (787) 834‑6985
  • Medicare: Accepts Medicare assignment
  • Group practice: Del Rio y Montesinos CSP
  • Medical school: graduated 1988 (38 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Jose M. Del Rio Ferrer, 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 Jose M. Del Rio Ferrer accept Medicare assignment?
Yes. Medicare's clinician data says Jose M. Del Rio Ferrer 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 Jose M. Del Rio Ferrer's NPI number?
1760515837. 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 Jose M. Del Rio Ferrer is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Jose M. Del Rio Ferrer as a member of this group (CMS data updated October 2, 2026).

  • Del Rio y Montesinos CSP2 clinicians in the group

Specialties

Find other Internal Medicine doctors in Puerto Rico →

Other internal medicine doctors in Mayaguez

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

All internal medicine doctors in Mayaguez →

Other clinicians in Del Rio y Montesinos CSP

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Graduation year1988 (38 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1760515837
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