Quick answers
- Which hospitals does Joseph A. Mayefski work at?
- Medicare's official clinician data lists Joseph A. Mayefski at 4 hospitals: Thedacare Medical Center - New London, Thedacare Medical Center-Waupaca, Thedacare Regional Medical Center - Appleton Inc and Thedacare Regional Medical Center - Neenah. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Joseph A. Mayefski see patients?
- Medicare's clinician data lists 3 practice locations, including Neenah, WI and Berlin, WI. Call before your visit to confirm the address.
- What is Joseph A. Mayefski's specialty?
- Medicare lists Nurse Practitioner as the primary specialty.
- Does Joseph A. Mayefski accept Medicare assignment?
- Yes. Medicare's clinician data says Joseph A. Mayefski 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.
- Does Joseph A. Mayefski offer telehealth?
- Medicare's clinician data says Joseph A. Mayefski offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Joseph A. Mayefski?
- (920) 725-0077, as listed in official Medicare / NPI Registry data.
- What is Joseph A. Mayefski's NPI number?
- 1992489843. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Joseph A. Mayefski works
Medicare's Facility Affiliation Data lists Joseph A. Mayefski at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Thedacare Medical Center - New LondonNew London, WI · Critical Access Hospital · CCN 521326
- Thedacare Medical Center-WaupacaWaupaca, WI · Critical Access Hospital · CCN 521334
- Thedacare Regional Medical Center - Appleton IncAppleton, WI · Acute Care Hospital · CCN 520160
- Thedacare Regional Medical Center - NeenahNeenah, WI · Acute Care Hospital · CCN 520045
Practice locations
Addresses where Joseph A. Mayefski is enrolled with Medicare (CMS data updated 2026-10-02).
- 130 2nd StNeenah, WI 54956 (920) 725‑0077
- 225 Memorial DrBerlin, WI 54923 (920) 361‑1313
- 333 N Commercial St, Suite 100Neenah, WI 54956 (920) 722‑1840
Group practices
Medicare enrollment lists Joseph A. Mayefski as a member of these groups (CMS data updated 2026-10-02).
- Thedacare, Incorporated647 clinicians in the group
- Radiology Associates of the Fox Valley SC81 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Neenah
Clinicians with the same Medicare primary specialty in Neenah, WI — not a recommendation.
Clinician information
| Graduation year | 2023 |
|---|---|
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1992489843 |
| 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