Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Otolaryngology

Michael J. Thielman, MD

Works at hospitals in Rhinelander, WI · Wisconsin Rapids, WI · Stevens Point, WI · Wisconsin

Summary

Michael J. Thielman, MD (Otolaryngology) is listed by Medicare at 3 hospitals in Rhinelander, WI, Wisconsin Rapids, WI and Stevens Point, WI. NPI 1881722239. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Michael J. Thielman, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

OtolaryngologyPrimary specialty
YesAccepts Medicare assignment
31Years since medical school (graduated 1995)
Creighton University School Of MedicineMedical school
MaleGender (as listed)
Aspirus Rhinelander and Tomahawk Hospitals and Clinics, Inc.Group practice (+1 more)

Quick answers

Which hospitals does Michael J. Thielman work at?
Medicare's official clinician data lists Michael J. Thielman at 3 hospitals: Aspirus Rhinelander Hospital, Aspirus Riverview Hospital & Clinics Inc and Aspirus Stevens Point Hospital & Clinics, Inc.. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Michael J. Thielman see patients?
Medicare's clinician data lists 4 practice locations, including Wisconsin Rapids, WI and Rhinelander, WI. Call before your visit to confirm the address.
What is Michael J. Thielman's specialty?
Medicare lists Otolaryngology as the primary specialty, and also Plastic and Reconstructive Surgery.
Does Michael J. Thielman accept Medicare assignment?
Yes. Medicare's clinician data says Michael J. Thielman 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 Michael J. Thielman?
(715) 423-0122, as listed in official Medicare / NPI Registry data.
What is Michael J. Thielman's NPI number?
1881722239. 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 J. Thielman works

Medicare's Facility Affiliation Data lists Michael J. Thielman at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Michael J. Thielman is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Michael J. Thielman as a member of these groups (CMS data updated 2026-10-02).

  • Aspirus Rhinelander and Tomahawk Hospitals and Clinics, Inc.574 clinicians in the group
  • Aspirus Riverview Hospital and Clinics Inc172 clinicians in the group

Specialties

Find other Otolaryngology doctors in Wisconsin →

Other ENT doctors in Wisconsin

Clinicians with the same Medicare primary specialty in Wisconsin — not a recommendation.

All ENT doctors in Wisconsin →

Clinician information

CredentialMD
Medical schoolCreighton University School Of Medicine
Graduation year1995
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1881722239
CorrectionsReport 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

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians