Quick answers
- Which hospitals does Charles K. Martin work at?
- Medicare's official clinician data lists Charles K. Martin at 5 hospitals: Aspirus Medford Hospital & Clinics, Inc, Aspirus Rhinelander Hospital, Aspirus Tomahawk Hospital, Aspirus Wausau Hospital and Howard Young Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Charles K. Martin see patients?
- Medicare's clinician data lists 5 practice locations, including Merrill, WI, Plover, WI and Wausau, WI. Call before your visit to confirm the address.
- What is Charles K. Martin's specialty?
- Medicare lists Physician Assistant as the primary specialty.
- Does Charles K. Martin accept Medicare assignment?
- Yes. Medicare's clinician data says Charles K. Martin 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 Charles K. Martin?
- (715) 536-7181, as listed in official Medicare / NPI Registry data.
- What is Charles K. Martin's NPI number?
- 1114101813. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Charles K. Martin works
Medicare's Facility Affiliation Data lists Charles K. Martin at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Aspirus Medford Hospital & Clinics, IncMedford, WI · Critical Access Hospital · CCN 521324
- Aspirus Rhinelander HospitalRhinelander, WI · Acute Care Hospital · CCN 520019
- Aspirus Tomahawk HospitalTomahawk, WI · Critical Access Hospital · CCN 521313
- Aspirus Wausau HospitalWausau, WI · Acute Care Hospital · CCN 520030
- Howard Young Medical CenterWoodruff, WI · Acute Care Hospital · CCN 520091
Practice locations
Addresses where Charles K. Martin is enrolled with Medicare (CMS data updated 2026-10-02).
- 100 S Eagle DrMerrill, WI 54452 (715) 536‑7181
- 1767 Park Ave, Suite 100Plover, WI 54467 (800) 445‑6442
- 225000 Hummingbird Rd, Suite 100Wausau, WI 54401 (715) 359‑6442
- 400 Westwood Dr, Suite 100Wausau, WI 54401 (800) 445‑6442
- 724 S 8th StMedford, WI 54451 (715) 748‑2663
Group practices
Medicare enrollment lists Charles K. Martin as a member of this group (CMS data updated 2026-10-02).
- Bone and Joint Clinic S.C.45 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Merrill
Clinicians with the same Medicare primary specialty in Merrill, WI — 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) | 1114101813 |
| 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