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Cardiovascular Disease (Cardiology)

Byron J. Garn, MD

Sees patients in Phoenix, AZ · Arizona

Summary

Byron J. Garn, MD (Cardiovascular Disease (Cardiology)) is enrolled with Medicare at 2 practice locations in Phoenix, AZ. NPI 1790809168. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Byron J. Garn, 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

Cardiovascular Disease (Cardiology)Primary specialty
YesAccepts Medicare assignment
24Years since medical school (graduated 2002)
Medical College Of WisconsinMedical school
MaleGender (as listed)
Phoenix Children's HospitalGroup practice

Quick answers

Where does Byron J. Garn see patients?
Medicare's clinician data lists 2 practice locations, including Phoenix, AZ. Call before your visit to confirm the address.
What is Byron J. Garn's specialty?
Medicare lists Cardiovascular Disease (Cardiology) as the primary specialty, and also Pediatric Medicine.
Does Byron J. Garn accept Medicare assignment?
Yes. Medicare's clinician data says Byron J. Garn 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 Byron J. Garn?
(602) 933-0930, as listed in official Medicare / NPI Registry data.
What is Byron J. Garn's NPI number?
1790809168. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where Byron J. Garn is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

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

  • Phoenix Children's Hospital437 clinicians in the group

Specialties

Find other Cardiovascular Disease (Cardiology) doctors in Arizona →

Other cardiologists in Phoenix

Clinicians with the same Medicare primary specialty in Phoenix, AZ — not a recommendation.

All cardiologists in Phoenix →

Clinician information

CredentialMD
Medical schoolMedical College Of Wisconsin
Graduation year2002
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1790809168
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. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians