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Anesthesiology

John J. Hernandez, MD

Works at hospitals in Round Rock, TX · Pflugerville, TX · Texas

Summary

John J. Hernandez, MD (Anesthesiology) is listed by Medicare at 2 hospitals in Round Rock, TX and Pflugerville, TX. NPI 1538384094. 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 John J. Hernandez, 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

AnesthesiologyPrimary specialty
YesAccepts Medicare assignment
23Years since medical school (graduated 2003)
Texas Tech University Health Science Center School Of MedicineMedical school
MaleGender (as listed)
Scott and White ClinicGroup practice

Quick answers

Which hospitals does John J. Hernandez work at?
Medicare's official clinician data lists John J. Hernandez at 2 hospitals: Baylor Scott & White Medical Center - Round Rock and Baylor Scott & White Medical Center Pflugerville. This is where the clinician works or has privileges; call the hospital to confirm.
Where does John J. Hernandez see patients?
Medicare's clinician data lists 7 practice locations, including Temple, TX, Pflugerville, TX and Round Rock, TX. Call before your visit to confirm the address.
What is John J. Hernandez's specialty?
Medicare lists Anesthesiology as the primary specialty.
Does John J. Hernandez accept Medicare assignment?
Yes. Medicare's clinician data says John J. Hernandez 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 John J. Hernandez?
(254) 215-0100, as listed in official Medicare / NPI Registry data.
What is John J. Hernandez's NPI number?
1538384094. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where John J. Hernandez works

Medicare's Facility Affiliation Data lists John J. Hernandez 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 John J. Hernandez is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 7; the Medicare profile lists all.

Group practices

Medicare enrollment lists John J. Hernandez as a member of this group (CMS data updated 2026-10-02).

  • Scott and White Clinic2,461 clinicians in the group

Specialties

Find other Anesthesiology doctors in Texas →

Other anesthesiologists in Temple

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

All anesthesiologists in Temple →

Clinician information

CredentialMD
Medical schoolTexas Tech University Health Science Center School Of Medicine
Graduation year2003
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1538384094
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