Timothy D. Kathman, M.D.
Internal Medicine Physician · Greenville, OH
Timothy D. Kathman, M.D. is an internal medicine physician with a practice address in Greenville, Ohio, and NPI 1770502700, issued on Jul 19, 2006. Check the license (Ohio 048005, as entered in NPPES) on the State Medical Board of Ohio; the Medicare figures below come from public CMS files.
- Name
- Timothy D. Kathman
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 048005 OH
Self-reported in NPPES; status is on the state search - Practice location
- 835 Sweitzer St, Greenville, OH 45331
- Phone
- (937) 548-1141
- Enumerated
- Jul 19, 2006
- Record last updated
- May 10, 2024
- Fax
- (937) 475-5789
- Medicaid ID
- 0559159 OH
- Medicare enrollment
- Enrolled (PECOS I20101104001070); accepts Medicare assignment
- Medical or professional school
- University Of Cincinnati College Of Medicine, 1981
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 5,277 in Ohio → Look up another NPI →
Also registered at 835 Sweitzer St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Timothy D. Kathman in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersState Medical Board of Ohio
Search for license 048005Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average internal medicine physician in 2024
28 Medicare Part D claims, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Buprenorphine-Naloxone28 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.
Timothy D. Kathman among 5,277 internal medicine physician records in Ohio
Timothy D. Kathman, M.D. is one of 5,277 internal medicine physician records with a practice address in Ohio. 81% 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 13% of them.
- NPI issued2006 · 13% of these records are older, 55% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 65% of these records are
- Graduated1981 · median 2006 among the 3,414 with a school on file
- Record last updated2024 · 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 207R00000X and a Ohio practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
6 internal medicine physician records list a practice address in Greenville
They are 6 of the 456 NPPES records with a practice address in Greenville, and 5,277 internal medicine physician records in Ohio.
All 5,277 in Ohio → Every provider in Greenville → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Ahmed El Rahyel, MDGreenville, OH 453311205573888
- Anna Hatic, DOGreenville, OH 453311770795973
- Mary Hawley, MDGreenville, OH 453311760434559
- Hafiz RehmanGreenville, OH 453311255707519
- Ezechukwu Umeh, M.D.Greenville, OH 453311790031292
- Oscar Cataldi, M.D.Fairborn, OH 453241598730657
- Manoj Desai, M.D.Fairborn, OH 453241437190410
- Chowdry Bashir, MDMiamisburg, OH 453421881685840
Common questions
What is Timothy D. Kathman, M.D.'s NPI number?
Timothy D. Kathman, M.D.'s National Provider Identifier (NPI) is 1770502700, issued on Jul 19, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Timothy D. Kathman, M.D. located?
The NPPES record lists a practice address at 835 Sweitzer St, Greenville, OH, 45331. Phone: (937) 548-1141. Providers update this record themselves, so call before visiting.
How can I verify Timothy D. Kathman, M.D.'s license?
NPPES lists Ohio license number 048005, 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 Timothy D. Kathman, M.D. prescribe under Medicare Part D?
In 2024, Timothy D. Kathman, M.D. had 28 Medicare Part D claims; the average among internal medicine physician prescribers was 3,176. 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.