Quick answers
- Which hospitals does John W. Merling work at?
- Medicare's official clinician data lists John W. Merling at 2 hospitals: Bethesda North and TriHealth Clinton Regional Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does John W. Merling see patients?
- Medicare's clinician data lists 2 practice locations, including Wilmington, OH and Cincinnati, OH. Call before your visit to confirm the address.
- What is John W. Merling's specialty?
- Medicare lists Family Practice as the primary specialty, and also Obstetrics/Gynecology.
- Does John W. Merling accept Medicare assignment?
- Yes. Medicare's clinician data says John W. Merling 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 W. Merling?
- (937) 382-1616, as listed in official Medicare / NPI Registry data.
- What is John W. Merling's NPI number?
- 1457313843. 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 W. Merling works
Medicare's Facility Affiliation Data lists John W. Merling at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Bethesda NorthCincinnati, OH · Acute Care Hospital · CCN 360179
- TriHealth Clinton Regional HospitalWilmington, OH · Acute Care Hospital · CCN 360175
Practice locations
Addresses where John W. Merling is enrolled with Medicare (CMS data updated 2026-10-02).
- 1184 W Locust StWilmington, OH 45177 (937) 382‑1616
- 2001 Anderson Ferry RdCincinnati, OH 45238 (513) 246‑7000
Group practices
Medicare enrollment lists John W. Merling as a member of this group (CMS data updated 2026-10-02).
- TriHealth G LLC299 clinicians in the group
Specialties
- Family Practiceprimary
- Obstetrics/Gynecologyalso
Other family doctors in Ohio
Clinicians with the same Medicare primary specialty in Ohio — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Cincinnati College Of Medicine |
| Graduation year | 1987 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1457313843 |
| 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