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Diagnostic Radiology

Carlos Guardiola Betancourt, MD

Sees patients in San Juan, PR · Puerto Rico

Summary

Dr. Carlos Guardiola Betancourt, MD is a radiologist at 390 Ave Domenech, San Juan, PR 00918. Phone: (787) 764-7328. Accepts Medicare assignment. In 2024, Carlos Guardiola Betancourt had 315 Original Medicare patients and 1,639 services. NPI 1669527487. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Radiologist (Medicare lists Diagnostic Radiology)
  • Address: 390 Ave Domenech, San Juan, PR 00918 · Directions
  • Phone: (787) 764‑7328
  • Medicare: Accepts Medicare assignment
  • Medical school: University Of Puerto Rico School Of Medicine · graduated 1991 (35 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Carlos Guardiola Betancourt, 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 Carlos Guardiola Betancourt accept Medicare assignment?
Yes. Medicare's clinician data says Carlos Guardiola Betancourt 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 Carlos Guardiola Betancourt see?
In 2024, CMS data shows 315 Original Medicare patients and 1,639 services for Carlos Guardiola Betancourt. This counts Original Medicare only and measures volume, not quality.
What is Carlos Guardiola Betancourt's NPI number?
1669527487. 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 Carlos Guardiola Betancourt, 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 patients315
Services billed to Medicare1,639
Different services or procedures84
Participating Medicare providerYes
Average age of these patients76

Most frequent services

  1. Complete ultrasound scan of 1 breast (76641)78 services
  2. X-ray of chest, 2 views (71046)58 services
  3. X-ray of knee, 1-2 views (73560)53 services
  4. Dxa bone density measurement of hip, pelvis, spine (77080)51 services
  5. Diagnostic mammography of both breasts (77066)49 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%
  • Diabetes64%
  • Arthritis51%
  • Osteoporosis33%
  • Chronic kidney disease26%

Practice locations

Addresses where Carlos Guardiola Betancourt is enrolled with Medicare (CMS data updated October 2, 2026).

Specialties

Find other Diagnostic Radiology doctors in Puerto Rico →

Other radiologists in San Juan

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

All radiologists in San Juan →

Clinician information

CredentialMD
Medical schoolUniversity Of Puerto Rico School Of Medicine
Graduation year1991 (35 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1669527487
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