William Schirmer, M.D.
Family Medicine Physician · Columbus, OH
William Schirmer, M.D. is a family medicine physician with a practice address in Columbus, Ohio, and NPI 1710418587, issued on Mar 23, 2017. Check the license (Ohio 35.149822, as entered in NPPES) on the State Medical Board of Ohio; the Medicare figures below come from public CMS files.
- Name
- William Schirmer
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License numbers
- 35.149822 OH
SL458893 OH
DR.0064596 CO
Self-reported in NPPES; status is on the state search - Practice location
- 420 N James RD, Columbus, OH 43219
- Phone
- (614) 257-5200
- Enumerated
- Mar 23, 2017
- Record last updated
- Mar 11, 2025
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 5,606 in Ohio → Look up another NPI →
Also registered at 420 N James RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify William Schirmer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersState Medical Board of Ohio
Search for license 35.149822Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
88% fewer Medicare Part D claims than the average family medicine physician in 2024
426 Medicare Part D claims for 180 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium52 claims
- Levothyroxine Sodium34 claims
- Lisinopril28 claims
- Amlodipine Besylate27 claims
- Losartan Potassium23 claims
- Omeprazole16 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.
William Schirmer among 5,606 family medicine physician records in Ohio
William Schirmer, M.D. is one of 5,606 family medicine physician 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 2017, is newer than 80% of them.
- NPI issued2017 · 80% of these records are older, 18% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileNo · 63% of these records are
- Record last updated2025 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Ohio practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
424 family medicine physician records list a practice address in Columbus
They are 424 of the 36,491 NPPES records with a practice address in Columbus, and 5,606 family medicine physician records in Ohio.
All 5,606 in Ohio → Every provider in Columbus → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
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- Susan Daab-Krzykowski, M.D.Columbus, OH 432191235240912
- Thomas Hanf, MD MPHColumbus, OH 432191255350013
- Andrew Kowalewsky, DOColumbus, OH 432191518903095
- Mike Lesniak, M.D.Columbus, OH 432191558682799
- Jill Nicholson, MDColumbus, OH 432191689655516
- Danilo Polonia, MDColumbus, OH 432191851389324
- Erum Qayum, MDColumbus, OH 432191548345267
Common questions
What is William Schirmer, M.D.'s NPI number?
William Schirmer, M.D.'s National Provider Identifier (NPI) is 1710418587, issued on Mar 23, 2017. An NPI identifies a provider in billing; it is not a license.
Where is William Schirmer, M.D. located?
The NPPES record lists a practice address at 420 N James RD, Columbus, OH, 43219. Phone: (614) 257-5200. Providers update this record themselves, so call before visiting.
How can I verify William Schirmer, M.D.'s license?
NPPES lists Ohio license number 35.149822, as entered by the provider. Search the State Medical Board of Ohio at https://elicense.ohio.gov/oh_verifylicense. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does William Schirmer, M.D. prescribe under Medicare Part D?
In 2024, William Schirmer, M.D. had 426 Medicare Part D claims for 180 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.