William Gunnar O'neal, - Medicare Family Medicine in Chillicothe, OH

William Gunnar O'neal, is a medicare enrolled "Family Medicine" physician in Chillicothe, Ohio. His current practice location is 4461 State Route 159 Ste A, Chillicothe, Ohio. You can reach out to his office (for appointments etc.) via phone at (740) 779-4900.

William Gunnar O'neal is licensed to practice in Ohio (license number 57.253475) and he also participates in the medicare program. He does not accept medicare assignments directly but he may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. His NPI Number is 1063156768.

Contact Information

William Gunnar O'neal,
4461 State Route 159 Ste A,
Chillicothe, OH 45601-6000
(740) 779-4900
(740) 779-4909

Map and Direction




Physician's Profile

Full NameWilliam Gunnar O'neal
GenderMale
SpecialityFamily Medicine
Location4461 State Route 159 Ste A, Chillicothe, Ohio
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1063156768
  • Provider Enumeration Date: 04/27/2022
  • Last Update Date: 04/27/2022
  Medicare PECOS Information:
  • PECOS PAC ID: 1951780022
  • Enrollment ID: I20220620002037

Medical Identifiers

Medical identifiers for William Gunnar O'neal such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1063156768NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207Q00000XFamily Medicine 57.253475 (Ohio)Primary

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. William Gunnar O'neal is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
William Gunnar O'neal,
2855 Iowa Ave,
Connersville, IN 47331-2425

Ph: (765) 265-4790
William Gunnar O'neal,
4461 State Route 159 Ste A,
Chillicothe, OH 45601-6000

Ph: (740) 779-4900

Reviews and Comments


Family Medicine Doctors in Chillicothe, OH

Allen D Shaw, MD
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Phone: 740-779-4100    Fax: 740-779-4149
Thomas Kellam,
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Mary Kathryn Daily, APRN
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Ms. Francesca Cocchiarale, DO
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Practice Location: 4461 State Route 159 Ste A, Chillicothe, OH 45601
Phone: 740-779-4900    Fax: 740-779-4909
Dr. Wayne W Beam Jr., MD
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Medicare: Accepting Medicare Assignments
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Phone: 740-672-2309    Fax: 740-672-2310
Kristine Leigh Mccallum, MD
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Medicare: Accepting Medicare Assignments
Practice Location: 100 N Walnut St, Chillicothe, OH 45601
Phone: 740-779-4500    

Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.