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Radiation Oncology

Gary V. Walker, MD

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

Summary

Gary V. Walker, MD (Radiation Oncology) is listed by Medicare at 3 hospitals in Phoenix, AZ, Gilbert, AZ and Glendale, AZ. NPI 1154667467. 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 Gary V. Walker, 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

Radiation OncologyPrimary specialty
YesAccepts Medicare assignment
16Years since medical school (graduated 2010)
Baylor College Of MedicineMedical school
MaleGender (as listed)
Banner Cancer Center Specialists LLCGroup practice

Quick answers

Which hospitals does Gary V. Walker work at?
Medicare's official clinician data lists Gary V. Walker at 3 hospitals: Banner - University Medical Center Phoenix, Banner Gateway Medical Center and Banner Thunderbird Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Gary V. Walker see patients?
Medicare's clinician data lists 1 practice location in Gilbert, AZ. Call before your visit to confirm the address.
What is Gary V. Walker's specialty?
Medicare lists Radiation Oncology as the primary specialty.
Does Gary V. Walker accept Medicare assignment?
Yes. Medicare's clinician data says Gary V. Walker 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 Gary V. Walker?
(480) 256-6444, as listed in official Medicare / NPI Registry data.
What is Gary V. Walker's NPI number?
1154667467. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Gary V. Walker works

Medicare's Facility Affiliation Data lists Gary V. Walker 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 Gary V. Walker is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Gary V. Walker as a member of this group (CMS data updated 2026-10-02).

  • Banner Cancer Center Specialists LLC344 clinicians in the group

Specialties

Find other Radiation Oncology doctors in Arizona →

Other radiation oncologists in Gilbert

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

All radiation oncologists in Gilbert →

Clinician information

CredentialMD
Medical schoolBaylor College Of Medicine
Graduation year2010
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1154667467
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