Zachary Randall Willis
Physician Assistant · Potsdam, NY
Zachary Randall Willis is a physician assistant with a practice address in Potsdam, New York, and NPI 1265041073, issued on Jul 28, 2020. Check the license (New York 025386, as entered in NPPES) with the New York board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Zachary Randall Willis
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- 025386 NY
Self-reported in NPPES; status is on the state search - Practice location
- 50 Leroy St, Potsdam, NY 13676
- Phone
- (315) 265-3300
- Enumerated
- Jul 28, 2020
- Record last updated
- Jul 28, 2020 (not updated in 6 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 15,555 in New York → Look up another NPI →
Also registered at 50 Leroy St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Mariam Asar, MDChild & Adolescent Psychiatry Physician1649479239
- Timothy Atkinson, M.D.Family Medicine Physician1346239308
- Katherine Baker, RPA-CPhysician Assistant1316971831
- Cynthia Baltazar, M.D.Internal Medicine Physician1790782548
Verify Zachary Randall Willis in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich New York board licenses this profession
Search for license 025386Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
64% fewer Medicare Part D claims than the average physician assistant in 2024
296 Medicare Part D claims for 208 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 4% of claims.
Most prescribed
- Prednisone28 claims
- Cephalexin24 claims
- Amoxicillin-Clavulanate Potass23 claims
- Methylprednisolone23 claims
- Cyclobenzaprine Hcl22 claims
- Ondansetron Odt22 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.
The MIPS final score for 2023 (Medicare payment program): 95.4 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Zachary Randall Willis among 15,555 physician assistant records in New York
Zachary Randall Willis is one of 15,555 physician assistant records with a practice address in New York. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 61% of them.
- NPI issued2020 · 61% of these records are older, 34% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileNo · 52% of these records are
- Record last updated2020 · 48% 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 New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
34 physician assistant records list a practice address in Potsdam
They are 34 of the 445 NPPES records with a practice address in Potsdam, and 15,555 physician assistant records in New York.
All 15,555 in New York → Every provider in Potsdam → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Katherine Baker, RPA-CPotsdam, NY 136761316971831
- Frank Bateman, RPACPotsdam, NY 136761831262567
- Emily Fullerton, PA-CPotsdam, NY 136761528366051
- Terri Joyce, PAPotsdam, NY 136761760544530
- Michelle Kent, RPA-CPotsdam, NY 136761508977356
- Heather MackinnonPotsdam, NY 136761023460607
- Molly Malone-Trim, PHYSICIAN ASSISTANTPotsdam, NY 136761114172806
- Jessica Martin, PA-CPotsdam, NY 136761477906667
Common questions
What is Zachary Randall Willis's NPI number?
Zachary Randall Willis's National Provider Identifier (NPI) is 1265041073, issued on Jul 28, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Zachary Randall Willis located?
The NPPES record lists a practice address at 50 Leroy St, Potsdam, NY, 13676. Phone: (315) 265-3300. Providers update this record themselves, so call before visiting.
How can I verify Zachary Randall Willis's license?
NPPES lists New York license number 025386, as entered by the provider. Search the New York board that licenses this profession; the NPPES record confirms identity only.
How much does Zachary Randall Willis prescribe under Medicare Part D?
In 2024, Zachary Randall Willis had 296 Medicare Part D claims for 208 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.
What is Zachary Randall Willis's MIPS final score?
The 2023 MIPS final score is 95.4 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.