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Internal Medicine

Hayden T. Oldham, MD

Works at hospitals in Austin, TX · Texas

Summary

Hayden T. Oldham, MD (Internal Medicine) is listed by Medicare at 2 hospitals in Austin, TX. NPI 1164817045. 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 Hayden T. Oldham, 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

Internal MedicinePrimary specialty
YesAccepts Medicare assignment
11Years since medical school (graduated 2015)
University Of Texas Medical School At HoustonMedical school
MaleGender (as listed)
Seton Family of DoctorsGroup practice

Quick answers

Which hospitals does Hayden T. Oldham work at?
Medicare's official clinician data lists Hayden T. Oldham at 2 hospitals: Ascension Seton Medical Center Austin and Dell Seton Medical Center at the University of TX. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Hayden T. Oldham see patients?
Medicare's clinician data lists 5 practice locations, including Austin, TX. Call before your visit to confirm the address.
What is Hayden T. Oldham's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does Hayden T. Oldham accept Medicare assignment?
Yes. Medicare's clinician data says Hayden T. Oldham 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 Hayden T. Oldham?
(512) 324-3580, as listed in official Medicare / NPI Registry data.
What is Hayden T. Oldham's NPI number?
1164817045. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Hayden T. Oldham works

Medicare's Facility Affiliation Data lists Hayden T. Oldham 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 Hayden T. Oldham is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Hayden T. Oldham as a member of this group (CMS data updated 2026-10-02).

  • Seton Family of Doctors792 clinicians in the group

Specialties

Find other Internal Medicine doctors in Texas →

Other internal medicine doctors in Austin

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

All internal medicine doctors in Austin →

Clinician information

CredentialMD
Medical schoolUniversity Of Texas Medical School At Houston
Graduation year2015
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1164817045
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