William P. Sinnott, PA
Physician Assistant · Marion, OH
William P. Sinnott, PA is a physician assistant with a practice address in Marion, Ohio, and NPI 1285662098, issued on Jun 29, 2006. Check the license (Ohio 50.000053, as entered in NPPES) with the Ohio board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- William P. Sinnott
- Credential
- PA
- Primary taxonomy
- Physician Assistant 363A00000X
- License numbers
- 50.000053 OH
002196 MI
Self-reported in NPPES; status is on the state search - Practice location
- 1040 Delaware Ave, Marion, OH 43302
- Phone
- (740) 383-7950
- Enumerated
- Jun 29, 2006
- Record last updated
- Jan 8, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (740) 375-8164
- Medicaid ID
- 0071602 OH
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 5,325 in Ohio → Look up another NPI →
Also registered at 1040 Delaware Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Arthur Armstrong, M.D.Internal Medicine Physician1548234677
- James Bazzoli, MDObstetrics & Gynecology Physician1043278617
- Shawn Beltz, PAPhysician Assistant1437707031
- Vanessa Blanchard, CNPPediatric Nurse Practitioner1083326136
- Stephanie Bland, DOPediatrics Physician1538629894
- Benjamin BoiceFamily Nurse Practitioner1093310054
Verify William P. Sinnott in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Ohio board licenses this profession
Search for license 50.000053Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
84% fewer Medicare Part D claims than the average physician assistant in 2024
133 Medicare Part D claims for 103 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D.
Most prescribed
- Cephalexin24 claims
- Azithromycin23 claims
- Amoxicillin20 claims
- Doxycycline Monohydrate20 claims
- Prednisone19 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 practice group's MIPS final score for 2023 (Medicare payment program): 74 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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, group reporting; category weights for 2023 (qpp.cms.gov).
William P. Sinnott among 5,325 physician assistant records in Ohio
William P. Sinnott, PA 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 fileNo · 68% of these records are
- Record last updated2021 · 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).
39 physician assistant records list a practice address in Marion
They are 39 of the 1,225 NPPES records with a practice address in Marion, and 5,325 physician assistant records in Ohio.
All 5,325 in Ohio → Every provider in Marion → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Holly Alexander, P.A.Marion, OH 433021316914369
- Woodrow Barry, P.A.Marion, OH 433021205950565
- Jon Benson, PA-CMarion, OH 433021922030956
- Marianne Curry, PA-C, MPAS, RD, LDMarion, OH 433021568683514
- Christi Gierhart, PACMarion, OH 433021831249382
- Franklin Millard, PACMarion, OH 433021053359109
- Melissa Milligan, PACMarion, OH 433021073561502
- Thomas Parrish, PAMarion, OH 433021396703609
Common questions
What is William P. Sinnott, PA's NPI number?
William P. Sinnott, PA's National Provider Identifier (NPI) is 1285662098, issued on Jun 29, 2006. An NPI identifies a provider in billing; it is not a license.
Where is William P. Sinnott, PA located?
The NPPES record lists a practice address at 1040 Delaware Ave, Marion, OH, 43302. Phone: (740) 383-7950. Providers update this record themselves, so call before visiting.
How can I verify William P. Sinnott, PA's license?
NPPES lists Ohio license number 50.000053, as entered by the provider. Search the Ohio board that licenses this profession; the NPPES record confirms identity only.
How much does William P. Sinnott, PA prescribe under Medicare Part D?
In 2024, William P. Sinnott, PA had 133 Medicare Part D claims for 103 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.
What is William P. Sinnott, PA's MIPS final score?
The 2023 MIPS final score is 74 of 100, reported for the practice group. 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.