Quick answers
- Does Christy J. Mattern accept Medicare assignment?
- Yes. Medicare's clinician data says Christy J. Mattern 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 Christy J. Mattern's NPI number?
- 1396445631. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Christy J. Mattern works
Medicare's Facility Affiliation Data lists Christy J. Mattern 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.
- Aspirus Stevens Point Hospital & Clinics, Inc.Stevens Point, WI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 520002
- Aspirus Wausau HospitalWausau, WI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 520030
- Langlade HospitalAntigo, WI · Critical Access Hospital · Emergency services: listed by Medicare · CCN 521350
Practice locations
Addresses where Christy J. Mattern is enrolled with Medicare (CMS data updated October 2, 2026).
- 2251 N Shore DrRhinelander, WI 54501 (715) 361‑2000
Group practices
Medicare enrollment lists Christy J. Mattern as a member of this group (CMS data updated October 2, 2026).
- Aspirus Rhinelander and Tomahawk Hospitals and Clinics, Inc.574 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Rhinelander
Clinicians with the same Medicare primary specialty in Rhinelander, WI — not a recommendation.
Other clinicians in Aspirus Rhinelander and Tomahawk Hospitals and Clinics, Inc.
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Graduation year | 2022 |
|---|---|
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1396445631 |
| 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