Quick answers
- Which hospitals does Michael T. Sheehan work at?
- Medicare's official clinician data lists Michael T. Sheehan at 5 hospitals: Flambeau Hospital, Marshfield Medical Center, Marshfield Medical Center - Minocqua, Marshfield Medical Center - Neillsville and Marshfield Medical Center - Weston. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Michael T. Sheehan see patients?
- Medicare's clinician data lists 5 practice locations, including Marshfield, WI, Merrill, WI and Weston, WI. Call before your visit to confirm the address.
- What is Michael T. Sheehan's specialty?
- Medicare lists Endocrinology as the primary specialty.
- Does Michael T. Sheehan accept Medicare assignment?
- Yes. Medicare's clinician data says Michael T. Sheehan 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 Michael T. Sheehan offer telehealth?
- Medicare's clinician data says Michael T. Sheehan offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Michael T. Sheehan?
- (715) 387-5511, as listed in official Medicare / NPI Registry data.
- What is Michael T. Sheehan's NPI number?
- 1730294240. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Michael T. Sheehan works
Medicare's Facility Affiliation Data lists Michael T. Sheehan at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Flambeau HospitalPark Falls, WI · Critical Access Hospital · CCN 521325
- Marshfield Medical CenterMarshfield, WI · Acute Care Hospital · CCN 520037
- Marshfield Medical Center - MinocquaMinocqua, WI · Acute Care Hospital · CCN 520212
- Marshfield Medical Center - NeillsvilleNeillsville, WI · Critical Access Hospital · CCN 521323
- Marshfield Medical Center - WestonWeston, WI · Acute Care Hospital · CCN 520202
Practice locations
Addresses where Michael T. Sheehan is enrolled with Medicare (CMS data updated 2026-10-02).
- 1000 N Oak AveMarshfield, WI 54449 (715) 387‑5511
- 1205 O Day StMerrill, WI 54452 (715) 539‑0101
- 1207 O Day StMerrill, WI 54452 (715) 539‑9990
- 3400 Ministry PkwyWeston, WI 54476 (715) 393‑1000
- 824 Illinois AveStevens Point, WI 54481 (715) 344‑1600
Group practices
Medicare enrollment lists Michael T. Sheehan as a member of these groups (CMS data updated 2026-10-02).
- MCHS Hospitals Inc1,197 clinicians in the group
- Aspirus Rhinelander and Tomahawk Hospitals and Clinics, Inc.574 clinicians in the group
Specialties
- Endocrinologyprimary
Other endocrinologists in Marshfield
Clinicians with the same Medicare primary specialty in Marshfield, WI — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Mayo Medical School |
| Graduation year | 1994 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1730294240 |
| 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