Quick answers
- Where does Brian S. O'Neill see patients?
- Medicare's clinician data lists 1 practice location in Massillon, OH. Call before your visit to confirm the address.
- What is Brian S. O'Neill's specialty?
- Medicare lists Chiropractic as the primary specialty.
- Does Brian S. O'Neill accept Medicare assignment?
- Yes. Medicare's clinician data says Brian S. O'Neill accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Brian S. O'Neill?
- (330) 833-2085, as listed in official Medicare / NPI Registry data.
- What is Brian S. O'Neill's NPI number?
- 1285700310. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Brian S. O'Neill is enrolled with Medicare (CMS data updated 2026-10-02).
- 276 Federal Ave NWMassillon, OH 44647 (330) 833‑2085
Group practices
Medicare enrollment lists Brian S. O'Neill as a member of this group (CMS data updated 2026-10-02).
- Modern Health Alternatives, Inc.3 clinicians in the group
Specialties
- Chiropracticprimary
Other chiropractors in Massillon
Clinicians with the same Medicare primary specialty in Massillon, OH — not a recommendation.
Clinician information
| Credential | CH |
|---|---|
| Medical school | Logan College Of Chiropractic |
| Graduation year | 1996 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1285700310 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians