Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. William Gunnar O'Neal, MD

Individual provider Sports Medicine (Family Medicine) Physician · NPI 1063156768

Dr. William Gunnar O'Neal, MD is a Sports Medicine (Family Medicine) Physician in Chillicothe, Ohio. Licensed in Ohio. Registered with an NPI since 2022.

Licensed in
OH
In the registry since
2022
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

272 Hospital Rd
Chillicothe, OH 45601-9031
Phone: (740) 779-4598
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Sports Medicine (Family Medicine) Physician (primary) Taxonomy 207QS0010X · Licence 35.156549 (OH)

Record details

NPI number1063156768
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 27, 2022
Last updated in NPPESAugust 5, 2026
Certification dateAugust 5, 2026

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