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Physician Assistant

Kathleen Callahan, PA

Sees patients in Phoenix, AZ · Arizona

Summary

Kathleen Callahan, PA (Physician Assistant) is enrolled with Medicare at 1 practice location in Phoenix, AZ. NPI 1033766902. 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 Kathleen Callahan, 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

Physician AssistantPrimary specialty
YesAccepts Medicare assignment
5Years since medical school (graduated 2021)
FemaleGender (as listed)
Arcadia Medical Group LLCGroup practice

Quick answers

Where does Kathleen Callahan see patients?
Medicare's clinician data lists 1 practice location in Phoenix, AZ. Call before your visit to confirm the address.
What is Kathleen Callahan's specialty?
Medicare lists Physician Assistant as the primary specialty.
Does Kathleen Callahan accept Medicare assignment?
Yes. Medicare's clinician data says Kathleen Callahan 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 Kathleen Callahan?
(480) 926-7800, as listed in official Medicare / NPI Registry data.
What is Kathleen Callahan's NPI number?
1033766902. 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 Kathleen Callahan is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Kathleen Callahan as a member of this group (CMS data updated 2026-10-02).

  • Arcadia Medical Group LLC10 clinicians in the group

Specialties

Find other clinicians: Physician Assistant, Arizona →

Other physician assistants in Phoenix

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

All physician assistants in Phoenix →

Clinician information

CredentialPA
Graduation year2021
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1033766902
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