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Internal Medicine

Hector M. Santiago Perez, MD

Works at hospitals in San German, PR · Puerto Rico

Summary

Dr. Hector M. Santiago Perez, MD is an internal medicine doctor at San German Med Plaza, Carr 2 Km 174 Suite 211, San German, PR 00683. Phone: (787) 892-4590. Accepts Medicare assignment. In 2024, Hector M. Santiago Perez had 13 Original Medicare patients and 35 services. NPI 1891701868. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Internal medicine doctor (Medicare lists Internal Medicine)
  • Address: San German Med Plaza, Carr 2 Km 174 Suite 211, San German, PR 00683 · Directions
  • Phone: (787) 892‑4590
  • Medicare: Accepts Medicare assignment
  • Hospital: Hospital de la Concepcion
  • Medical school: Ponce School Of Medicine · graduated 1997 (29 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Hector M. Santiago Perez, 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 Hector M. Santiago Perez accept Medicare assignment?
Yes. Medicare's clinician data says Hector M. Santiago Perez 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 Hector M. Santiago Perez see?
In 2024, CMS data shows 13 Original Medicare patients and 35 services for Hector M. Santiago Perez. This counts Original Medicare only and measures volume, not quality.
What is Hector M. Santiago Perez's NPI number?
1891701868. 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 Hector M. Santiago Perez, 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 patients13
Services billed to Medicare35
Different services or procedures8
Participating Medicare providerYes
Average age of these patients73

Most frequent services

  1. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)13 services

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%

Hospitals where Hector M. Santiago Perez works

Medicare's Facility Affiliation Data lists Hector M. Santiago Perez at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

Practice locations

Addresses where Hector M. Santiago Perez is enrolled with Medicare (CMS data updated October 2, 2026).

Specialties

Find other Internal Medicine doctors in Puerto Rico →

Other internal medicine doctors in San German

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

All internal medicine doctors in San German →

Clinician information

CredentialMD
Medical schoolPonce School Of Medicine
Graduation year1997 (29 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1891701868
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. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians