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Gastroenterology

Gabriel A. Magraner, MD

Works at hospitals in San Antonio, TX · Texas

Summary

Dr. Gabriel A. Magraner, MD is a gastroenterologist at 4306 De Zavala Rd, Bldg 1, San Antonio, TX 78249. Phone: (210) 450-6720. Accepts Medicare assignment. NPI 1346279452. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026.

  • Specialty: Gastroenterologist (Medicare lists Gastroenterology)
  • Address: 4306 De Zavala Rd, Bldg 1, San Antonio, TX 78249 · Directions (1 more location)
  • Phone: (210) 450‑6720
  • Medicare: Accepts Medicare assignment
  • Hospital: University Health System
  • Group practice: University of Texas Health Science Center at San Antonio
  • Medical school: University Of Puerto Rico School Of Medicine · graduated 1987 (39 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Gabriel A. Magraner, 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 Gabriel A. Magraner accept Medicare assignment?
Yes. Medicare's clinician data says Gabriel A. Magraner 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 Gabriel A. Magraner's NPI number?
1346279452. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Gabriel A. Magraner works

Medicare's Facility Affiliation Data lists Gabriel A. Magraner 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 Gabriel A. Magraner is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Gabriel A. Magraner as a member of this group (CMS data updated October 2, 2026).

  • University of Texas Health Science Center at San Antonio1,297 clinicians in the group

Specialties

Find other Gastroenterology doctors in Texas →

Other gastroenterologists in San Antonio

Clinicians with the same Medicare primary specialty in San Antonio, TX — not a recommendation.

All gastroenterologists in San Antonio →

Other clinicians in University of Texas Health Science Center at San Antonio

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

Clinician information

CredentialMD
Medical schoolUniversity Of Puerto Rico School Of Medicine
Graduation year1987 (39 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1346279452
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. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  5. Medicare Care Compare — official Medicare tool to look up clinicians