Quick answers
- Does Franklin A. Villanueva accept Medicare assignment?
- Yes. Medicare's clinician data says Franklin A. Villanueva 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 Franklin A. Villanueva's NPI number?
- 1912905159. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Franklin A. Villanueva works
Medicare's Facility Affiliation Data lists Franklin A. Villanueva 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 Ironwood HospitalIronwood, MI · Critical Access Hospital · Emergency services: listed by Medicare · CCN 231333
- Aspirus Keweenaw Hospital and ClinicsLaurium, MI · Critical Access Hospital · Emergency services: listed by Medicare · CCN 231319
- Howard Young Medical CenterWoodruff, WI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 520091
Practice locations
Addresses where Franklin A. Villanueva is enrolled with Medicare (CMS data updated October 2, 2026).
- 240 Maple StWoodruff, WI 54568 (715) 356‑8140
- 419 N Oak StAdams, WI 53910 (608) 339‑5250
- 420 Dewey StWisconsin Rapids, WI 54494 (715) 422‑7750
- N10561 Grandview LnIronwood, MI 49938 (906) 932‑2525
Group practices
Medicare enrollment lists Franklin A. Villanueva as a member of these groups (CMS data updated October 2, 2026).
- Aspirus Rhinelander and Tomahawk Hospitals and Clinics, Inc.574 clinicians in the group
- Aspirus Riverview Hospital and Clinics Inc172 clinicians in the group
- Aspirus Ironwood Hospital and Clinics Inc165 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Woodruff
Clinicians with the same Medicare primary specialty in Woodruff, 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
| Credential | MD |
|---|---|
| Graduation year | 1997 (29 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1912905159 |
| 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