NPPES file of Aug 9, 2026

William A. Wilmer, M.D.

Nephrology Physician · Westerville, OH

William A. Wilmer, M.D. is a nephrology physician with a practice address in Westerville, Ohio, and NPI 1750380481, issued on Jul 15, 2005. Check the license (Ohio 35060681, as entered in NPPES) on the State Medical Board of Ohio; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1750380481
Name
William A. Wilmer
Credential
M.D.
Primary taxonomy
Nephrology Physician 207RN0300X
License number
35060681 OH
Self-reported in NPPES; status is on the state search
Practice location
595 Copeland Mill RD, Westerville, OH 43081
Phone
(614) 823-8500
Enumerated
Jul 15, 2005
Record last updated
Feb 14, 2022
Fax
(614) 823-8501
Medicaid ID
0816264 OH
Medicare enrollment
Enrolled (PECOS I20040312000134); accepts Medicare assignment
Medical or professional school
University Of Toledo College Of Medicine, 1988
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 595 Copeland Mill RD

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

  1. William Bay, M.D.Nephrology Physician1104825736
  2. Brittany Bolser, LSWProfessional Counselor1871848648
  3. Rachel Bowen, MSW, LISWProfessional Counselor1972931053
  4. Amy Cohagan, DOEmergency Medicine Physician1669471934
  5. Joseph Doherty, MA, LPC, CWCMental Health Counselor1639547813
  6. Carolyn Emrich, DDSPediatric Dentistry1043327380

Verify William A. Wilmer in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersState Medical Board of Ohio
    Search for license 35060681
    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
Open the Ohio license search

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2.7 times the Medicare Part D claims of the average nephrology physician in 2024

3,991 Medicare Part D claims for 486 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D. 54 claims were for opioids.

  1. William Wilmer3,991
  2. Specialty average1,465

Most prescribed

  1. Furosemide331 claims
  2. Calcitriol245 claims
  3. Spironolactone217 claims
  4. Amlodipine Besylate193 claims
  5. Carvedilol176 claims
  6. Spironolactone-Hctz170 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): 83.6 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.

  1. Qualityout of 100 · 30% of the final score64.9
  2. Costout of 100 · 30%75.6
  3. Promoting interoperabilitynot scored (reweighted)
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $149.44

7 payments; by number, the most common kind was education; the largest payer was Calliditas Therapeutics US Inc. The 8,230 providers of this specialty with any payment received $3,091.37 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. William Wilmer$149.44
  2. Specialty average$3,091.37

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Kidney Specialists, Inc.Westerville, OH

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

Nephrology Physician providers in Ohio

There are 499 nephrology physician records in Ohio.

Other nephrology physician records in Ohio

  1. Randa Abd Algayoum, MDCleveland, OH1003392473
  2. Tariq Abdulkarim, M.D.Columbus, OH1366766362
  3. Syed Abidi, M.D.Toledo, OH1831196195
  4. Omar Abu-Romeh, M.DLima, OH1184805681
  5. Firas Adeel, M.D.Cincinnati, OH1679927842
  6. Sudhir Adhikari, MDCincinnati, OH1972705960
  7. Percy Adonteng-Boateng, M.D.Cleveland, OH1972959419
  8. Akinfemi Afolabi, M.D.Oregon, OH1992782965
  9. Anil Agarwal, M.D.Columbus, OH1639115413
  10. Sonalika Agarwal, M.D.Toledo, OH1366889131

Common questions

What is William A. Wilmer, M.D.'s NPI number?

William A. Wilmer, M.D.'s National Provider Identifier (NPI) is 1750380481, issued on Jul 15, 2005. An NPI identifies a provider in billing; it is not a license.

Where is William A. Wilmer, M.D. located?

The NPPES record lists a practice address at 595 Copeland Mill RD, Westerville, OH, 43081. Phone: (614) 823-8500. Providers update this record themselves, so call before visiting.

How can I verify William A. Wilmer, M.D.'s license?

NPPES lists Ohio license number 35060681, 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 A. Wilmer, M.D. prescribe under Medicare Part D?

In 2024, William A. Wilmer, M.D. had 3,991 Medicare Part D claims for 486 beneficiaries; the average among nephrology physician prescribers was 1,465. Part D covers Medicare prescriptions only.

What is William A. Wilmer, M.D.'s MIPS final score?

The 2023 MIPS final score is 83.6 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.