Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Physician Assistant

Katherine Mack, PA

Works at hospitals in Yuma, AZ · Arizona

Summary

Katherine Mack, PA (Physician Assistant) is listed by Medicare at 1 hospital in Yuma, AZ. NPI 1598423923. 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 Katherine Mack, 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)
Yuma Regional Medical CenterGroup practice

Quick answers

Which hospitals does Katherine Mack work at?
Medicare's official clinician data lists Katherine Mack at 1 hospital: Yuma Regional Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Katherine Mack see patients?
Medicare's clinician data lists 2 practice locations, including Yuma, AZ. Call before your visit to confirm the address.
What is Katherine Mack's specialty?
Medicare lists Physician Assistant as the primary specialty.
Does Katherine Mack accept Medicare assignment?
Yes. Medicare's clinician data says Katherine Mack 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 Katherine Mack?
(928) 344-2000, as listed in official Medicare / NPI Registry data.
What is Katherine Mack's NPI number?
1598423923. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Katherine Mack works

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

Group practices

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

  • Yuma Regional Medical Center361 clinicians in the group

Specialties

Find other clinicians: Physician Assistant, Arizona →

Other physician assistants in Yuma

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

All physician assistants in Yuma →

Clinician information

CredentialPA
Graduation year2021
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1598423923
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