Quick answers
- Which hospitals does John J. Naveau work at?
- Medicare's official clinician data lists John J. Naveau at 1 hospital: Mercer County Joint Township Community Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does John J. Naveau see patients?
- Medicare's clinician data lists 2 practice locations, including Coldwater, OH. Call before your visit to confirm the address.
- What is John J. Naveau's specialty?
- Medicare lists Family Practice as the primary specialty.
- Does John J. Naveau accept Medicare assignment?
- Yes. Medicare's clinician data says John J. Naveau 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 J. Naveau?
- (419) 678-2354, as listed in official Medicare / NPI Registry data.
- What is John J. Naveau's NPI number?
- 1871594374. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where John J. Naveau works
Medicare's Facility Affiliation Data lists John J. Naveau at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Mercer County Joint Township Community HospitalColdwater, OH · Acute Care Hospital · CCN 360058
Practice locations
Addresses where John J. Naveau is enrolled with Medicare (CMS data updated 2026-10-02).
- 407 S Oak StColdwater, OH 45828 (419) 678‑2354
- 830 W Main St, Suite 3Coldwater, OH 45828 (419) 678‑2381
Group practices
Medicare enrollment lists John J. Naveau as a member of this group (CMS data updated 2026-10-02).
- M E D F Physicians Corporation47 clinicians in the group
Specialties
- Family Practiceprimary
Other family doctors in Coldwater
Clinicians with the same Medicare primary specialty in Coldwater, OH — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Ohio State University College Of Medicine |
| Graduation year | 1980 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1871594374 |
| 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- 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