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Gastroenterology

Antonio Serna Iv, MD

Works at hospitals in San Antonio, TX · Jourdanton, TX · Kerrville, TX · Texas

Summary

Antonio Serna Iv, MD (Gastroenterology) is listed by Medicare at 5 hospitals in San Antonio, TX, Jourdanton, TX and Kerrville, TX. NPI 1538208541. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Antonio Serna Iv, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

GastroenterologyPrimary specialty
YesAccepts Medicare assignment
24Years since medical school (graduated 2002)
University Of Texas Southwestern Medical School At DallasMedical school
MaleGender (as listed)
Texas Digestive Disease Consultants, PLLCGroup practice

Quick answers

Which hospitals does Antonio Serna Iv work at?
Medicare's official clinician data lists Antonio Serna Iv at 5 hospitals: Baptist Medical Center, Baptist Neighborhood Hospital Thousand Oaks, Methodist Hospital, Methodist Hospital Atascosa and Peterson Regional Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Antonio Serna Iv see patients?
Medicare's clinician data lists 5 practice locations, including San Antonio, TX, Plano, TX and Keller, TX. Call before your visit to confirm the address.
What is Antonio Serna Iv's specialty?
Medicare lists Gastroenterology as the primary specialty.
Does Antonio Serna Iv accept Medicare assignment?
Yes. Medicare's clinician data says Antonio Serna Iv accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for Antonio Serna Iv?
(210) 271-0606, as listed in official Medicare / NPI Registry data.
What is Antonio Serna Iv's NPI number?
1538208541. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Antonio Serna Iv works

Medicare's Facility Affiliation Data lists Antonio Serna Iv at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Antonio Serna Iv is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Antonio Serna Iv as a member of this group (CMS data updated 2026-10-02).

  • Texas Digestive Disease Consultants, PLLC608 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 →

Clinician information

CredentialMD
Medical schoolUniversity Of Texas Southwestern Medical School At Dallas
Graduation year2002
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1538208541
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 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  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