Registry data as of Aug 27, 2026

Donald Clark, MD

Family Medicine Physician · Dayton, OH

Donald Clark, MD is a family medicine physician with a practice address in Dayton, Ohio, and NPI 1154313369, issued on Aug 16, 2005. Check the license (Ohio 35-120123, as entered in NPPES) on the State Medical Board of Ohio; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1154313369
Name
Donald Clark
Credential
MD
Primary taxonomy
Family Medicine Physician 207Q00000X
License numbers
35-120123 OH
036-114287 IL
Self-reported in NPPES; status is on the state search
Practice location
725 University Blvd, Dayton, OH 45435
Phone
(937) 245-7200
Enumerated
Aug 16, 2005
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 725 University Blvd

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

  1. Emily Albanese, MS, AT, ATCAthletic Trainer1609405638
  2. Laura Bedrossian, MDGeriatric Medicine (Internal Medicine) Physician1578794954
  3. Robert Brandt, MDFamily Medicine Physician1063452175
  4. Carlie Clark, ATC, LAT, CESAthletic Trainer1114383122
  5. Katharine Conway, M.D.Family Medicine Physician1316137581
  6. John Donnelly, MDFamily Medicine Physician1467418202

Verify Donald Clark 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 35-120123
    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

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

2.2 times the Medicare Part D claims of the average family medicine physician in 2024

7,590 Medicare Part D claims for 799 beneficiaries, against an average of 3,519 among the 111,126 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 56 claims were for opioids.

  1. Donald Clark7,590
  2. Specialty average3,519

Most prescribed

  1. Atorvastatin Calcium557 claims
  2. Levothyroxine Sodium315 claims
  3. Lisinopril273 claims
  4. Metformin Hcl271 claims
  5. Amlodipine Besylate245 claims
  6. Metoprolol Succinate183 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.

One hospital or facility affiliation

  1. Trihealth G LLCLoveland, OH

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

153 family medicine physician records list a Dayton practice address

They are 153 of the 12,431 NPPES records with a Dayton practice address, and 5,361 family medicine physician records in Ohio.

Other family medicine physician records in Ohio

  1. John Philamer Abad, M.D.Westerville, OH1356376800
  2. Katarina Abadie, M.D.Solon, OH1760917447
  3. Heeran Abawi, M.D.Fairfield, OH1932337649
  4. Zena Abd-AlahadToledo, OH1659878239
  5. Ghassan Abdallah, M.D.Middleburg Heights, OH1265531859
  6. Karyn Abdallah, M.D.Middleburg Heights, OH1477652816
  7. Mohamed Abdo, DODelaware, OH1083293229
  8. Neelab Abdullah, MDCleveland, OH1538806922
  9. Johnny Abi-Rached, DOVermilion, OH1548902018
  10. Katherine Able-Perkins, D.O.Athens, OH1174751143

Common questions

What is Donald Clark, MD's NPI number?

Donald Clark, MD's National Provider Identifier (NPI) is 1154313369, issued on Aug 16, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Donald Clark, MD located?

The NPPES record lists a practice address at 725 University Blvd, Dayton, OH, 45435. Phone: (937) 245-7200. Providers update this record themselves, so call before visiting.

How can I verify Donald Clark, MD's license?

NPPES lists Ohio license number 35-120123, 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 Donald Clark, MD prescribe under Medicare Part D?

In 2024, Donald Clark, MD had 7,590 Medicare Part D claims for 799 beneficiaries; the average among family medicine physician prescribers was 3,519. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.