NPPES file of Aug 9, 2026

Robert William Zaayer, P.A.C.

Physician Assistant · Circleville, OH

Robert William Zaayer, P.A.C. is a physician assistant with a practice address in Circleville, Ohio, and NPI 1801853940, issued on May 1, 2006. Check the license (Ohio 50000709, as entered in NPPES) with the Ohio board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1801853940
Name
Robert William Zaayer
Credential
P.A.C.
Primary taxonomy
Physician Assistant 363A00000X
License numbers
50000709 OH
5601005187 MI
Self-reported in NPPES; status is on the state search
Practice location
600 N Pickaway St, Circleville, OH 43113
Phone
(740) 474-2126
Enumerated
May 1, 2006
Record last updated
Aug 15, 2011 (not updated in 15 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20040107000070); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 600 N Pickaway St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Varun Ashok, M.D.Internal Medicine Physician1508271297
  2. Jill Barno, MDInternal Medicine Physician1922030915
  3. Caleb Betz, ATCAthletic Trainer1295185551
  4. John Bickel, PHARMD, RPHPharmacist1225409022
  5. Donald Blair, CRNACertified Registered Nurse Anesthetist1700853009
  6. Thomas Burke, MDPulmonary Disease Physician1336103647

Verify Robert William Zaayer in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Ohio board licenses this profession
    Search for license 50000709
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Ohio license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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87% fewer Medicare Part D claims than the average physician assistant in 2024

106 Medicare Part D claims for 56 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D.

  1. Robert Zaayer106
  2. Specialty average830

Most prescribed

  1. Prednisone17 claims
  2. Albuterol Sulfate Hfa14 claims
  3. Azithromycin13 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.

Bills Medicare through one group practice

  1. Urgent Care Specialists, LLCSpringfield, OH

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Robert William Zaayer among 5,325 physician assistant records in Ohio

Robert William Zaayer, P.A.C. is one of 5,325 physician assistant records with a practice address in Ohio. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 2% of them.

  • NPI issued2006 · 2% of these records are older, 87% newer
  • In a Medicare fileYes · 80% of these records are
  • In the CMS Doctors and Clinicians fileYes · 68% of these records are
  • Graduated1993 · median 2019 among the 3,621 with a school on file
  • Record last updated2011 · 37% 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 Ohio practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Physician Assistant providers in Ohio

There are 5,325 physician assistant records in Ohio.

The 8 physician assistant records with the nearest ZIP codes

  1. Benjamin HaselhuhnCircleville, OH 431131013649607
  2. Samantha Kaltenbach, PA-CCircleville, OH 431131922629302
  3. Shogufa Kamin, PA-CCircleville, OH 431131427738673
  4. Jocelyn Peters, PACircleville, OH 431131326869645
  5. Lisa Voorhis, PA-CCircleville, OH 431131013691120
  6. Linda BakerCanal Winchester, OH 431101437557022
  7. Megan Benson, P.A.Canal Winchester, OH 431101407392954
  8. Chelsea File, PA-CCanal Winchester, OH 431101306394143

Common questions

What is Robert William Zaayer, P.A.C.'s NPI number?

Robert William Zaayer, P.A.C.'s National Provider Identifier (NPI) is 1801853940, issued on May 1, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Robert William Zaayer, P.A.C. located?

The NPPES record lists a practice address at 600 N Pickaway St, Circleville, OH, 43113. Phone: (740) 474-2126. Providers update this record themselves, so call before visiting.

How can I verify Robert William Zaayer, P.A.C.'s license?

NPPES lists Ohio license number 50000709, as entered by the provider. Search the Ohio board that licenses this profession; the NPPES record confirms identity only.

How much does Robert William Zaayer, P.A.C. prescribe under Medicare Part D?

In 2024, Robert William Zaayer, P.A.C. had 106 Medicare Part D claims for 56 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.