Katharine Windriver Ross, PA-C
Physician Assistant · Peoria, AZ
Katharine Windriver Ross, PA-C is a physician assistant with a practice address in Peoria, Arizona, and NPI 1053036962, issued on Oct 4, 2022. Check the license with the Arizona board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Katharine Windriver Ross
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- Practice location
- 13634 N 93RD Ave Ste 300, Peoria, AZ 85381
- Phone
- (623) 815-2484
- Enumerated
- Oct 4, 2022
- Record last updated
- Dec 29, 2022
- Fax
- (623) 815-2483
- Medicare enrollment
- Enrolled (PECOS I20230117000358); may accept Medicare assignment
- Medical or professional school
- Midwestern University College Of Dental Medicine, Glendale, 2022
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 3,666 in Arizona → Look up another NPI →
Also registered at 13634 N 93RD Ave Ste 300
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Katharine Windriver Ross in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Arizona board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
20% more Medicare Part D claims than the average physician assistant in 2024
993 Medicare Part D claims for 337 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 21% of claims.
Most prescribed
- Eliquis103 claims
- Atorvastatin Calcium70 claims
- Metoprolol Succinate55 claims
- Amlodipine Besylate53 claims
- Ezetimibe53 claims
- Carvedilol48 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $684.97
24 payments; by number, the most common kind was food and beverage; the largest payer was Zoll Services LLC (a/k/a Zoll LifeCor Corp). The 64,719 providers of this specialty with any payment received $841.65 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Katharine Windriver Ross among 3,666 physician assistant records in Arizona
Katharine Windriver Ross, 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 2022, is newer than 70% of them.
- NPI issued2022 · 70% of these records are older, 23% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2022 · median 2018 among the 2,207 with a school on file
- Record last updated2022 · 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).
108 physician assistant records list a practice address in Peoria
They are 108 of the 2,528 NPPES records with a practice address in Peoria, and 3,666 physician assistant records in Arizona.
All 3,666 in Arizona → Every provider in Peoria → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Janet Bonner West, P.A.Peoria, AZ 853811992765150
- Rebecca Caudle, PA-CPeoria, AZ 853811558395087
- Tiffany Cooke, PA-CPeoria, AZ 853811841242278
- Sharilyn Dalton, PAPeoria, AZ 853811902942758
- Julie Davinson, PA-CPeoria, AZ 853811639119738
- Sharon Dickinson, P.A.Peoria, AZ 853811417135054
- Christina Foster, PA-CPeoria, AZ 853811649321837
- Julia Jones, PA-CPeoria, AZ 853811538241674
Common questions
What is Katharine Windriver Ross, PA-C's NPI number?
Katharine Windriver Ross, PA-C's National Provider Identifier (NPI) is 1053036962, issued on Oct 4, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Katharine Windriver Ross, PA-C located?
The NPPES record lists a practice address at 13634 N 93RD Ave Ste 300, Peoria, AZ, 85381. Phone: (623) 815-2484. Providers update this record themselves, so call before visiting.
How can I verify Katharine Windriver Ross, PA-C's license?
Search the Arizona board that licenses this profession; the NPPES record confirms identity only.
How much does Katharine Windriver Ross, PA-C prescribe under Medicare Part D?
In 2024, Katharine Windriver Ross, PA-C had 993 Medicare Part D claims for 337 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions 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.