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Endocrinology

Rafael Trinidad Hernandez, MD

Works at hospitals in San Juan, PR · Puerto Rico

Summary

Dr. Rafael Trinidad Hernandez, MD is an endocrinologist at 252 Calle San Jorge, Suite 301, San Juan, PR 00912. Phone: (787) 729-7777. Accepts Medicare assignment. In 2024, Rafael Trinidad Hernandez had 113 Original Medicare patients and 295 services. NPI 1932357092. 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: Endocrinologist (Medicare lists Endocrinology)
  • Address: 252 Calle San Jorge, Suite 301, San Juan, PR 00912 · Directions
  • Phone: (787) 729‑7777
  • Medicare: Accepts Medicare assignment
  • Hospital: Hospital Pavia Santurce
  • Medical school: graduated 2004 (22 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Rafael Trinidad Hernandez, 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 Rafael Trinidad Hernandez accept Medicare assignment?
Yes. Medicare's clinician data says Rafael Trinidad Hernandez 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 Rafael Trinidad Hernandez see?
In 2024, CMS data shows 113 Original Medicare patients and 295 services for Rafael Trinidad Hernandez. This counts Original Medicare only and measures volume, not quality.
What is Rafael Trinidad Hernandez's NPI number?
1932357092. 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 Rafael Trinidad Hernandez, 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 patients113
Services billed to Medicare295
Different services or procedures7
Participating Medicare providerYes
Average age of these patients77

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)138 services
  2. Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes (99231)117 services
  3. Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes (99221)26 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%
  • Diabetes75%
  • Arthritis47%
  • Chronic kidney disease44%
  • Ischemic heart disease42%

Hospitals where Rafael Trinidad Hernandez works

Medicare's Facility Affiliation Data lists Rafael Trinidad Hernandez 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 Rafael Trinidad Hernandez is enrolled with Medicare (CMS data updated October 2, 2026).

Specialties

Find other Endocrinology doctors in Puerto Rico →

Other endocrinologists in San Juan

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

All endocrinologists in San Juan →

Clinician information

CredentialMD
Graduation year2004 (22 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1932357092
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