William H. Osterbur, MD
Family Medicine Physician · Greenville, OH
William H. Osterbur, MD is a family medicine physician with a practice address in Greenville, Ohio, and NPI 1003877499, issued on Mar 28, 2006. Check the license (Ohio 350475900, as entered in NPPES) on the State Medical Board of Ohio; the Medicare figures below come from public CMS files.
- Name
- William H. Osterbur
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 350475900 OH
Self-reported in NPPES; status is on the state search - Practice location
- 5735 Meeker RD, Greenville, OH 45331
- Phone
- (937) 548-3806
- Enumerated
- Mar 28, 2006
- Record last updated
- Feb 17, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (937) 548-3552
- Medicaid ID
- 0529477 OH
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 5,606 in Ohio → Look up another NPI →
Also registered at 5735 Meeker RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify William H. Osterbur in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersState Medical Board of Ohio
Search for license 350475900Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
80% fewer Medicare Part D claims than the average family medicine physician in 2024
718 Medicare Part D claims for 44 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims.
Most prescribed
- Atorvastatin Calcium39 claims
- Memantine Hcl37 claims
- Diltiazem 24hr Er (Cd)32 claims
- Losartan Potassium31 claims
- Hydrochlorothiazide28 claims
- Amlodipine Besylate27 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 H. Osterbur among 5,606 family medicine physician records in Ohio
William H. Osterbur, MD 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 2006, is newer than 18% of them.
- NPI issued2006 · 18% of these records are older, 48% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileNo · 63% of these records are
- Record last updated2010 · 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).
16 family medicine physician records list a practice address in Greenville
They are 16 of the 456 NPPES records with a practice address in Greenville, and 5,606 family medicine physician records in Ohio.
All 5,606 in Ohio → Every provider in Greenville → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Julia Bowlin, MDGreenville, OH 453311295787067
- Thomas Brown, MDGreenville, OH 453311114996444
- Cleanne Cass, DOGreenville, OH 453311043358096
- Margaret Hensel, MDGreenville, OH 453311417957960
- Robert Kensinger, M.D.Greenville, OH 453311447320924
- Mark Khalili, M.D.Greenville, OH 453311326074386
- Lewis Mahran, DOGreenville, OH 453311003873068
- Emily MahranGreenville, OH 453311568091254
Common questions
What is William H. Osterbur, MD's NPI number?
William H. Osterbur, MD's National Provider Identifier (NPI) is 1003877499, issued on Mar 28, 2006. An NPI identifies a provider in billing; it is not a license.
Where is William H. Osterbur, MD located?
The NPPES record lists a practice address at 5735 Meeker RD, Greenville, OH, 45331. Phone: (937) 548-3806. Providers update this record themselves, so call before visiting.
How can I verify William H. Osterbur, MD's license?
NPPES lists Ohio license number 350475900, 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 H. Osterbur, MD prescribe under Medicare Part D?
In 2024, William H. Osterbur, MD had 718 Medicare Part D claims for 44 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.