Quick answers
- Which hospitals does Matthew S. Nienberg work at?
- Medicare's official clinician data lists Matthew S. Nienberg at 5 hospitals: Bellevue Hospital, Bluffton Hospital, Lima Memorial Health System, Memorial Hospital and Mercy Health St Ritas Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Matthew S. Nienberg see patients?
- Medicare's clinician data lists 5 practice locations, including Bluffton, OH, Ottawa, OH and Findlay, OH. Call before your visit to confirm the address.
- What is Matthew S. Nienberg's specialty?
- Medicare lists Physician Assistant as the primary specialty.
- Does Matthew S. Nienberg accept Medicare assignment?
- Yes. Medicare's clinician data says Matthew S. Nienberg 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 Matthew S. Nienberg?
- (567) 712-7741, as listed in official Medicare / NPI Registry data.
- What is Matthew S. Nienberg's NPI number?
- 1063661189. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Matthew S. Nienberg works
Medicare's Facility Affiliation Data lists Matthew S. Nienberg at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Bellevue HospitalBellevue, OH · Acute Care Hospital · CCN 360107
- Bluffton HospitalBluffton, OH · Critical Access Hospital · CCN 361322
- Lima Memorial Health SystemLima, OH · Acute Care Hospital · CCN 360009
- Memorial HospitalFremont, OH · Acute Care Hospital · CCN 360156
- Mercy Health St Ritas Medical CenterLima, OH · Acute Care Hospital · CCN 360066
Practice locations
Addresses where Matthew S. Nienberg is enrolled with Medicare (CMS data updated 2026-10-02).
- 139 Garau StBluffton, OH 45817
- 1740 N Perry StOttawa, OH 45875
- 1900 S Main StFindlay, OH 45840
- 310 S Cable RdLima, OH 45805 (567) 712‑7741
- 715 S Taft AveFremont, OH 43420 (419) 332‑7321
Group practices
Medicare enrollment lists Matthew S. Nienberg as a member of these groups (CMS data updated 2026-10-02).
- Specialty Physicians of Blanchard Valley LLC113 clinicians in the group
- Memorial Hospital5 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Ohio
Clinicians with the same Medicare primary specialty in Ohio — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 2008 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1063661189 |
| 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