William Gunnar O'Neal, MD
Sports Medicine (Family Medicine) Physician · Chillicothe, OH
William Gunnar O'Neal, MD is a sports medicine (family medicine) physician with a practice address in Chillicothe, Ohio, and NPI 1063156768, issued on Apr 27, 2022. Check the license (Ohio 35.156549, as entered in NPPES) on the State Medical Board of Ohio; the Medicare figures below come from public CMS files.
- Name
- William Gunnar O'Neal
- Credential
- MD
- Primary taxonomy
- Sports Medicine (Family Medicine) Physician 207QS0010X
- License number
- 35.156549 OH
Self-reported in NPPES; status is on the state search - Practice location
- 272 Hospital RD, Chillicothe, OH 45601
- Phone
- (740) 779-4598
- Enumerated
- Apr 27, 2022
- Record last updated
- Aug 5, 2026
- Entity
- Type 1 · individual
8 nearest sports medicine (family medicine) physician records → All 133 in Ohio → Look up another NPI →
Also registered at 272 Hospital RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Jeffrey Aloisio, CNPFamily Nurse Practitioner1780240382
- Srujan Ameda, M.D.Internal Medicine Physician1912218793
- Helen AndersonPharmacist1609222736
Verify William Gunnar O'Neal in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersState Medical Board of Ohio
Search for license 35.156549Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
22% fewer Medicare Part D claims than the average sports medicine (family medicine) physician in 2024
669 Medicare Part D claims for 62 beneficiaries, against an average of 855 among the 2,237 providers of this specialty who prescribed in Part D.
Most prescribed
- Gabapentin66 claims
- Atorvastatin Calcium32 claims
- Omeprazole31 claims
- Furosemide24 claims
- Albuterol Sulfate Hfa23 claims
- Lisinopril21 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 Gunnar O'Neal among 133 sports medicine (family medicine) physician records in Ohio
William Gunnar O'Neal, MD is one of 133 sports medicine (family medicine) physician records with a practice address in Ohio. 88% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 96% of them.
- NPI issued2022 · 96% of these records are older, 0% newer
- In a Medicare fileYes · 88% of these records are
- In the CMS Doctors and Clinicians fileNo · 80% of these records are
- Record last updated2026 · 44% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207QS0010X and a Ohio practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Sports Medicine (Family Medicine) Physician providers in Ohio
There are 133 sports medicine (family medicine) physician records in Ohio.
All 133 in Ohio → Every provider in Chillicothe → Sports Medicine (Family Medicine) Physician nationwide →
The 8 sports medicine (family medicine) physician records with the nearest ZIP codes
- Clinton Hartz, MDChillicothe, OH 456011194908806
- Anthony Lattavo, D.O.Chillicothe, OH 456011396950325
- Eric Liu, M.D.Chillicothe, OH 456011902122880
- Michael Loy, DOChillicothe, OH 456011952722357
- William Strauch, MDChillicothe, OH 456011255398327
- Louis Gerena, M.D.Gallipolis, OH 456311588013221
- Danielle Thornsberry, DOAthens, OH 457011255891891
- Jeffrey James, DODayton, OH 454591700142734
Common questions
What is William Gunnar O'Neal, MD's NPI number?
William Gunnar O'Neal, MD's National Provider Identifier (NPI) is 1063156768, issued on Apr 27, 2022. An NPI identifies a provider in billing; it is not a license.
Where is William Gunnar O'Neal, MD located?
The NPPES record lists a practice address at 272 Hospital RD, Chillicothe, OH, 45601. Phone: (740) 779-4598. Providers update this record themselves, so call before visiting.
How can I verify William Gunnar O'Neal, MD's license?
NPPES lists Ohio license number 35.156549, 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 Gunnar O'Neal, MD prescribe under Medicare Part D?
In 2024, William Gunnar O'Neal, MD had 669 Medicare Part D claims for 62 beneficiaries; the average among sports medicine (family medicine) physician prescribers was 855. 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.