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Internal Medicine

Timothy Reisner, DO

Works at hospitals in Medford, WI · Rhinelander, WI · Wisconsin Rapids, WI … · Wisconsin

Summary

Timothy Reisner, DO (Internal Medicine) is listed by Medicare at 5 hospitals in Medford, WI, Rhinelander, WI and Wisconsin Rapids, WI and other places. NPI 1457703753. 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 Timothy Reisner, 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

Internal MedicinePrimary specialty
YesAccepts Medicare assignment
YesOffers telehealth
10Years since medical school (graduated 2016)
Des Moines University Of Osteopathic Medicine And Health SciencesMedical school
MaleGender (as listed)
Aspirus Rhinelander and Tomahawk Hospitals and Clinics, Inc.Group practice (+1 more)

Quick answers

Which hospitals does Timothy Reisner work at?
Medicare's official clinician data lists Timothy Reisner at 5 hospitals: Aspirus Medford Hospital & Clinics, Inc, Aspirus Rhinelander Hospital, Aspirus Riverview Hospital & Clinics Inc, Aspirus Stevens Point Hospital & Clinics, Inc. and Aspirus Wausau Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Timothy Reisner see patients?
Medicare's clinician data lists 2 practice locations, including Woodruff, WI and Wausau, WI. Call before your visit to confirm the address.
What is Timothy Reisner's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does Timothy Reisner accept Medicare assignment?
Yes. Medicare's clinician data says Timothy Reisner 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 Timothy Reisner offer telehealth?
Medicare's clinician data says Timothy Reisner offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Timothy Reisner?
(715) 356-8140, as listed in official Medicare / NPI Registry data.
What is Timothy Reisner's NPI number?
1457703753. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Timothy Reisner works

Medicare's Facility Affiliation Data lists Timothy Reisner 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 Timothy Reisner is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Timothy Reisner 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 Medical Group, Inc.268 clinicians in the group

Specialties

Find other Internal Medicine doctors in Wisconsin →

Other internal medicine doctors in Woodruff

Clinicians with the same Medicare primary specialty in Woodruff, WI — not a recommendation.

All internal medicine doctors in Woodruff →

Clinician information

CredentialDO
Medical schoolDes Moines University Of Osteopathic Medicine And Health Sciences
Graduation year2016
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1457703753
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