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Internal Medicine

Rocio Feliu Dominguez, MD

Sees patients in Guaynabo, PR · Puerto Rico

Summary

Dr. Rocio Feliu Dominguez, MD is an internal medicine doctor at 101 Ave San Patricio, Suite 1050, Guaynabo, PR 00968. Phone: (787) 548-3997. Accepts Medicare assignment. In 2024, Rocio Feliu Dominguez had 21 Original Medicare patients and 52 services. NPI 1659653475. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Internal medicine doctor (Medicare lists Internal Medicine)
  • Address: 101 Ave San Patricio, Suite 1050, Guaynabo, PR 00968 · Directions
  • Phone: (787) 548‑3997
  • Medicare: Accepts Medicare assignment
  • Medical school: graduated 2017 (9 years since medical school)
  • Gender (as listed): Female
  • Telehealth: offered

From official Medicare data

This page shows what Medicare's official clinician data says about Rocio Feliu Dominguez, 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 Rocio Feliu Dominguez accept Medicare assignment?
Yes. Medicare's clinician data says Rocio Feliu Dominguez 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.
How many Medicare patients does Rocio Feliu Dominguez see?
In 2024, CMS data shows 21 Original Medicare patients and 52 services for Rocio Feliu Dominguez. This counts Original Medicare only and measures volume, not quality.
What is Rocio Feliu Dominguez's NPI number?
1659653475. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Rocio Feliu Dominguez, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients21
Services billed to Medicare52
Different services or procedures9
Participating Medicare providerYes
Average age of these patients72

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High blood pressure75%
  • High cholesterol75%
  • Diabetes75%

Practice locations

Addresses where Rocio Feliu Dominguez is enrolled with Medicare (CMS data updated October 2, 2026).

Specialties

Find other Internal Medicine doctors in Puerto Rico →

Other internal medicine doctors in Guaynabo

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

All internal medicine doctors in Guaynabo →

Clinician information

CredentialMD
Graduation year2017 (9 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1659653475
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. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians