Quick answers
- Does John S. Nirmalnath accept Medicare assignment?
- Yes. Medicare's clinician data says John S. Nirmalnath accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- What is John S. Nirmalnath's NPI number?
- 1225210651. 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 S. Nirmalnath works
Medicare's Facility Affiliation Data lists John S. Nirmalnath at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Avita OntarioOntario, OH · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 360365
- Galion Community HospitalGalion, OH · Critical Access Hospital · Medicare rating: 3 of 5 stars · Emergency services: not listed by Medicare · CCN 361325
- OhioHealth Mansfield HospitalMansfield, OH · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 360118
Practice locations
Addresses where John S. Nirmalnath is enrolled with Medicare (CMS data updated October 2, 2026).
- 2981 W 4th StOntario, OH 44906 (419) 468‑0505
- 2981 W 4th StMansfield, OH 44906 (409) 709‑8640
Group practices
Medicare enrollment lists John S. Nirmalnath as a member of these groups (CMS data updated October 2, 2026).
- North Central Ohio Family Care Center Inc195 clinicians in the group
- Galion Community Hospital39 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Ontario
Clinicians with the same Medicare primary specialty in Ontario, OH — not a recommendation.
Other clinicians in North Central Ohio Family Care Center Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1979 (47 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1225210651 |
| 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 October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- 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