Katherine Mack, PA-C
Physician Assistant · Yuma, AZ
Katherine Mack, PA-C is a physician assistant with a practice address in Yuma, Arizona, and NPI 1598423923, issued on Dec 2, 2021. Check the license (Arizona 10850, as entered in NPPES) with the Arizona board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Katherine Mack
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License numbers
- 10850 AZ
12482391-1206 UT
Self-reported in NPPES; status is on the state search - Practice location
- 2680 S Avenue B, Yuma, AZ 85364
- Phone
- (928) 336-1476
- Enumerated
- Dec 2, 2021
- Record last updated
- Jan 7, 2025
- Fax
- (928) 336-9622
- Medicare enrollment
- Enrolled (PECOS I20250214002493); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 3,666 in Arizona → Look up another NPI →
Also registered at 2680 S Avenue B
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Katherine Mack in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Arizona board licenses this profession
Search for license 10850Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
One hospital affiliation
- Yuma Regional Medical CenterYuma, AZ · Acute Care Hospitals2 of 5 stars
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Katherine Mack among 3,666 physician assistant records in Arizona
Katherine Mack, PA-C is one of 3,666 physician assistant records with a practice address in Arizona. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 64% of them.
- NPI issued2021 · 64% of these records are older, 30% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2021 · median 2018 among the 2,207 with a school on file
- Record last updated2025 · 35% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
46 physician assistant records list a practice address in Yuma
They are 46 of the 1,821 NPPES records with a practice address in Yuma, and 3,666 physician assistant records in Arizona.
All 3,666 in Arizona → Every provider in Yuma → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Jill Austin, PACYuma, AZ 853641770577603
- Ronald Damiano, PAYuma, AZ 853641396826541
- Sarah Determan, PA CYuma, AZ 853641407917339
- Timothy Duran, PA-CYuma, AZ 853641679768626
- Richard Fortney, P.AYuma, AZ 853641376563999
- John Moffett, P.A.Yuma, AZ 853641841220043
- Daniel Ortiz, PA-CYuma, AZ 853641679596134
- Anne Radnothy, PA-CYuma, AZ 853641508941915
Common questions
What is Katherine Mack, PA-C's NPI number?
Katherine Mack, PA-C's National Provider Identifier (NPI) is 1598423923, issued on Dec 2, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Katherine Mack, PA-C located?
The NPPES record lists a practice address at 2680 S Avenue B, Yuma, AZ, 85364. Phone: (928) 336-1476. Providers update this record themselves, so call before visiting.
How can I verify Katherine Mack, PA-C's license?
NPPES lists Arizona license number 10850, as entered by the provider. Search the Arizona board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.