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Undefined Physician Type (Specify)

Thomas J. Byrne, MD

Works at hospitals in Glendale, AZ · Phoenix, AZ · Arizona

Summary

Thomas J. Byrne, MD (Undefined Physician Type (Specify)) is listed by Medicare at 2 hospitals in Glendale, AZ and Phoenix, AZ. NPI 1124006929. 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 Thomas J. Byrne, 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

Undefined Physician Type (Specify)Primary specialty
YesAccepts Medicare assignment
YesOffers telehealth
30Years since medical school (graduated 1996)
University Of Arizona College Of MedicineMedical school
MaleGender (as listed)
Mayo Clinic ArizonaGroup practice

Quick answers

Which hospitals does Thomas J. Byrne work at?
Medicare's official clinician data lists Thomas J. Byrne at 2 hospitals: Abrazo Arrowhead Hospital and Mayo Clinic Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Thomas J. Byrne see patients?
Medicare's clinician data lists 5 practice locations, including Scottsdale, AZ and Phoenix, AZ. Call before your visit to confirm the address.
What is Thomas J. Byrne's specialty?
Medicare lists Undefined Physician Type (Specify) as the primary specialty, and also Internal Medicine.
Does Thomas J. Byrne accept Medicare assignment?
Yes. Medicare's clinician data says Thomas J. Byrne 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.
Does Thomas J. Byrne offer telehealth?
Medicare's clinician data says Thomas J. Byrne offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Thomas J. Byrne?
(480) 301-8000, as listed in official Medicare / NPI Registry data.
What is Thomas J. Byrne's NPI number?
1124006929. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Thomas J. Byrne works

Medicare's Facility Affiliation Data lists Thomas J. Byrne 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 Thomas J. Byrne is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

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

  • Mayo Clinic Arizona1,626 clinicians in the group

Specialties

Find other Undefined Physician Type (Specify) doctors in Arizona →

Other physicians in Arizona

Clinicians with the same Medicare primary specialty in Arizona — not a recommendation.

All physicians in Arizona →

Clinician information

CredentialMD
Medical schoolUniversity Of Arizona College Of Medicine
Graduation year1996
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1124006929
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