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Anesthesiology

Gunnar C. Clark, MD

Works at hospitals in Phoenix, AZ · Arizona

Summary

Gunnar C. Clark, MD (Anesthesiology) is listed by Medicare at 1 hospital in Phoenix, AZ. NPI 1255626701. 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 Gunnar C. Clark, 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
15Years since medical school (graduated 2011)
University Of Utah School Of MedicineMedical school
MaleGender (as listed)
Banner - University Hospital Based Physicians LLCGroup practice

Quick answers

Which hospitals does Gunnar C. Clark work at?
Medicare's official clinician data lists Gunnar C. Clark at 1 hospital: Banner - University Medical Center Phoenix. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Gunnar C. Clark see patients?
Medicare's clinician data lists 1 practice location in Phoenix, AZ. Call before your visit to confirm the address.
What is Gunnar C. Clark's specialty?
Medicare lists Anesthesiology as the primary specialty.
Does Gunnar C. Clark accept Medicare assignment?
Yes. Medicare's clinician data says Gunnar C. Clark 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 Gunnar C. Clark?
(602) 839-2000, as listed in official Medicare / NPI Registry data.
What is Gunnar C. Clark's NPI number?
1255626701. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Gunnar C. Clark works

Medicare's Facility Affiliation Data lists Gunnar C. Clark 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 Gunnar C. Clark is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Gunnar C. Clark as a member of this group (CMS data updated 2026-10-02).

  • Banner - University Hospital Based Physicians LLC339 clinicians in the group

Specialties

Find other Anesthesiology doctors in Arizona →

Other anesthesiologists in Phoenix

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

All anesthesiologists in Phoenix →

Clinician information

CredentialMD
Medical schoolUniversity Of Utah School Of Medicine
Graduation year2011
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1255626701
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