Thomas H. Diehl, M.D.
Surgery Physician · Zanesville, OH
Thomas H. Diehl, M.D. is a surgery physician with a practice address in Zanesville, Ohio, and NPI 1851329528, issued on Jun 29, 2006. Check the license (Ohio 35047259, as entered in NPPES) on the State Medical Board of Ohio; the Medicare figures below come from public CMS files.
- Name
- Thomas H. Diehl
- Credential
- M.D.
- Primary taxonomy
- Surgery Physician 208600000X
- License number
- 35047259 OH
Self-reported in NPPES; status is on the state search - Practice location
- 2916 Vangader Dr, Zanesville, OH 43701
- Phone
- (740) 453-9616
- Enumerated
- Jun 29, 2006
- Record last updated
- Mar 7, 2023
- Fax
- (740) 453-4940
- Medicaid ID
- 0591560 OH
- Entity
- Type 1 · individual
8 nearest surgery physician records → All 1,249 in Ohio → Look up another NPI →
Also registered at 2916 Vangader Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- David Barbara, MDSurgery Physician1619929981
- Terence Campbell, M.D.Surgery Physician1730117268
- Jan Elston, M.D.Surgery Physician1871520189
- Charles Fennie, DOSurgery Physician1619478336
- Aaron Hoover, CNPFamily Nurse Practitioner1063043685
- Viginia James, RNFAClinical Nurse Specialist1487996336
Verify Thomas H. Diehl in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersState Medical Board of Ohio
Search for license 35047259Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
92% fewer Medicare Part D claims than the average surgery physician in 2024
12 Medicare Part D claims, against an average of 147 among the 20,115 providers of this specialty who prescribed in Part D.
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 MIPS final score for 2023 (Medicare payment program): 97.6 of 100
The Merit-based Incentive Payment System score is reported for this clinician. 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; category weights for 2023 (qpp.cms.gov).
Thomas H. Diehl among 1,249 surgery physician records in Ohio
Thomas H. Diehl, M.D. is one of 1,249 surgery physician records with a practice address in Ohio. 73% 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 14% of them.
- NPI issued2006 · 14% of these records are older, 57% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileNo · 59% of these records are
- Record last updated2023 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208600000X and a Ohio practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Surgery Physician providers in Ohio
There are 1,249 surgery physician records in Ohio.
All 1,249 in Ohio → Every provider in Zanesville → Surgery Physician nationwide →
The 8 surgery physician records with the nearest ZIP codes
- Brandice Alexander, DOZanesville, OH 437011780886671
- Shannon Ankrom, MDZanesville, OH 437011649404138
- David Barbara, MDZanesville, OH 437011619929981
- Terence Campbell, M.D.Zanesville, OH 437011730117268
- Jan Elston, M.D.Zanesville, OH 437011871520189
- Charles Fennie, DOZanesville, OH 437011619478336
- Charles Harrison, M.D.,F.A.C.S.Zanesville, OH 437011720159288
- Claudia Kim, M.D.Zanesville, OH 437011477843480
Common questions
What is Thomas H. Diehl, M.D.'s NPI number?
Thomas H. Diehl, M.D.'s National Provider Identifier (NPI) is 1851329528, issued on Jun 29, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Thomas H. Diehl, M.D. located?
The NPPES record lists a practice address at 2916 Vangader Dr, Zanesville, OH, 43701. Phone: (740) 453-9616. Providers update this record themselves, so call before visiting.
How can I verify Thomas H. Diehl, M.D.'s license?
NPPES lists Ohio license number 35047259, 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 Thomas H. Diehl, M.D. prescribe under Medicare Part D?
In 2024, Thomas H. Diehl, M.D. had 12 Medicare Part D claims; the average among surgery physician prescribers was 147. Part D covers Medicare prescriptions only.
What is Thomas H. Diehl, M.D.'s MIPS final score?
The 2023 MIPS final score is 97.6 of 100. 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.