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Ophthalmology

Mathew W. Aschbrenner, MD

Sees patients in Rhinelander, WI · Wausau, WI · Wisconsin

Summary

Mathew W. Aschbrenner, MD (Ophthalmology) is enrolled with Medicare at 2 practice locations in Rhinelander, WI and Wausau, WI. NPI 1912101213. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Mathew W. Aschbrenner, 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

OphthalmologyPrimary specialty
YesAccepts Medicare assignment
20Years since medical school (graduated 2006)
University Of Wisconsin School Of MedicineMedical school
MaleGender (as listed)
Eye Clinic of Wisconsin, S.C.Group practice

Quick answers

Where does Mathew W. Aschbrenner see patients?
Medicare's clinician data lists 2 practice locations, including Rhinelander, WI and Wausau, WI. Call before your visit to confirm the address.
What is Mathew W. Aschbrenner's specialty?
Medicare lists Ophthalmology as the primary specialty.
Does Mathew W. Aschbrenner accept Medicare assignment?
Yes. Medicare's clinician data says Mathew W. Aschbrenner 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 Mathew W. Aschbrenner?
(715) 362-2600, as listed in official Medicare / NPI Registry data.
What is Mathew W. Aschbrenner's NPI number?
1912101213. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where Mathew W. Aschbrenner is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Mathew W. Aschbrenner as a member of this group (CMS data updated 2026-10-02).

  • Eye Clinic of Wisconsin, S.C.19 clinicians in the group

Specialties

Find other Ophthalmology doctors in Wisconsin →

Other ophthalmologists in Wisconsin

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

All ophthalmologists in Wisconsin →

Clinician information

CredentialMD
Medical schoolUniversity Of Wisconsin School Of Medicine
Graduation year2006
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1912101213
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. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians