Quick answers
- Does Theresa M. Mizer accept Medicare assignment?
- Yes. Medicare's clinician data says Theresa M. Mizer 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.
- How many Medicare patients does Theresa M. Mizer see?
- In 2024, CMS data shows 14 Original Medicare patients and 23 services for Theresa M. Mizer. This counts Original Medicare only and measures volume, not quality.
- What is Theresa M. Mizer's NPI number?
- 1083793137. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Theresa M. Mizer, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 14 |
|---|---|
| Services billed to Medicare | 23 |
| Different services or procedures | 5 |
| Participating Medicare provider | Yes |
| Average age of these patients | 67 |
Hospitals where Theresa M. Mizer works
Medicare's Facility Affiliation Data lists Theresa M. Mizer 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.
- Aultman HospitalCanton, OH · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 360084
- Mercy Medical CenterCanton, OH · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 360070
Practice locations
Addresses where Theresa M. Mizer is enrolled with Medicare (CMS data updated October 2, 2026).
- 123 3rd SestMassillon, OH 44646
- 123 3rd St SEMassillon, OH 44646 (330) 832‑2229
- 123 3rd St SWMassillon, OH 44646
Group practices
Medicare enrollment lists Theresa M. Mizer as a member of this group (CMS data updated October 2, 2026).
- Daniel J Cain DO Inc2 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Massillon
Clinicians with the same Medicare primary specialty in Massillon, OH — not a recommendation.
Other clinicians in Daniel J Cain DO Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| School | Ohio State University College Of Medicine |
|---|---|
| Graduation year | 1996 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1083793137 |
| 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
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- 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