Quick answers
- Where does John M. Hamill see patients?
- Medicare's clinician data lists 1 practice location in Athens, OH. Call before your visit to confirm the address.
- What is John M. Hamill's specialty?
- Medicare lists Psychiatry as the primary specialty.
- Does John M. Hamill accept Medicare assignment?
- Yes. Medicare's clinician data says John M. Hamill 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 John M. Hamill?
- (614) 752-0333, as listed in official Medicare / NPI Registry data.
- What is John M. Hamill's NPI number?
- 1861483703. 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 John M. Hamill is enrolled with Medicare (CMS data updated 2026-10-02).
- 100 Hospital DrAthens, OH 45701 (614) 752‑0333
Group practices
Medicare enrollment lists John M. Hamill as a member of this group (CMS data updated 2026-10-02).
- State of Ohio Office of Budget and Management State Accounting110 clinicians in the group
Specialties
- Psychiatryprimary
Other psychiatrists in Athens
Clinicians with the same Medicare primary specialty in Athens, OH — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Kansas School Of Med (kc/wich/sal) |
| Graduation year | 1987 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1861483703 |
| 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