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MARGARET KOERITZER AU.D.
NPI 1073066676
Audiologist in Madison, WI

Active since July 31, 2016
1500 HIGHLAND AVE, MADISON, WI 53705(608) 263-3301 Get Directions Write a Review

NPPES record last updated: September 24, 2025. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Jul 21, 2022, Aug 15, 2017 (2 updates tracked since 2017).

About Margaret Koeritzer Au.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MARGARET KOERITZER AU.D. (NPI 1073066676) is an individual audiologist in Madison, Wisconsin, licensed in Wisconsin (1058) and active in the NPI registry since July 2016. She is a graduate of Other (2016).

NPPES Registry Identity

NPI1073066676
Entity TypeIndividualFemale
Primary Taxonomy231H00000X
Provider Legal NameMARGARET KOERITZERCredential: AU.D.
Location Address1500 HIGHLAND AVEMadison, WI 53705-2274
Mailing Address7974 Uw Health CtMiddleton, WI 53562-5531
Phone(608) 263-3301
Sole ProprietorNo
Medical School CMSOtherGraduated 2016
Enumeration DateJuly 31, 2016
Last NPPES UpdateSeptember 24, 20252 updates tracked since enumeration
NPPES CertifiedSeptember 24, 2025
✔ NPI 1073066676 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAudiologistSpeech, Language and Hearing Service Providers
Taxonomy Code231H00000X
Licenses✔ Licensed in WI · 1058✔ Licensed in MN · 9741
Definition
(1) A specialist in evaluation, habilitation and rehabilitation of those whose communication disorders center in whole or in part in hearing function. Audiologists are autonomous professionals who identify, assess, and manage disorders of the auditory, balance and other neural systems. Audiologists provide audiological (aural) rehabilitation to children and adults across the entire age span. Audiologists select, fit and dispense amplification systems such as hearing aids and related devices. (2) An audiologist is a person qualified by a master's degree in audiology, licensed by the state, where applicable, and practicing within the scope of that license. Audiologists evaluate and treat patients with impaired hearing. They plan, direct and conduct rehabilitative programs with audiotry substitutional devises (hearing aids) and other therapy.
1500 HIGHLAND AVE, Madison, WI 53705
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Margaret Koeritzer Au.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID3173819802
PECOS Enrollment IDI20251006000079

Medicare Billing Reassignments

3

Medicare enrollment records show Margaret Koeritzer reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

University Of Wisconsin Medical Foundation, Inc
4.8 mi
Multi-Specialty
7974 UW HEALTH COURT
Middleton, WI 53562
  • Reassigned Medicare billing, Wisconsin enrollment
  • 2,832 clinicians in this Medicare group
NPI 1598784555 (608) 829-5485
Fairview Express Care
215 mi
Pediatric Rehabilitation Medicine
9680 TAMARACK RD, SUITE 130
Woodbury, MN 55125
  • Reassigned Medicare billing, Minnesota enrollment
  • 3,633 clinicians in this Medicare group
NPI 1700235587 (612) 273-1172
Fairview Health Services
224 mi
General Acute Care Hospital
201 E NICOLLET BLVD, OUTREACH LAB DEPARTMENT
Burnsville, MN 55337
  • Reassigned Medicare billing, Minnesota enrollment
  • 4,038 clinicians in this Medicare group
NPI 1225199128 (952) 892-2085

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

ERIN THOMSON LCSW
Social Worker (Clinical)
1500 HIGHLAND AVE, ROOM 102
MADISON, WI 53705
Dane County (608) 263-5815
ALYSSA WALSH
Psychologist
1500 HIGHLAND AVE
MADISON, WI 53705
Dane County (608) 263-3301
STEPHAN R SCHMID BCBS
Behavior Analyst
1500 HIGHLAND AVE
MADISON, WI 53705
Dane County (608) 890-3622
DAVID S WARGOWSKI MD
Medical Genetics (Clinical Genetics (M.D.))
1500 HIGHLAND AVE
MADISON, WI 53705
Dane County (608) 263-6420
MRS. SARAH MARIE MARSHALL
Speech-Language Pathologist
1500 HIGHLAND AVE
MADISON, WI 53705
Dane County (608) 263-3301
MICHAEL STEPHEN MEYN MD PHD
Medical Genetics (Clinical Genetics (M.D.))
1500 HIGHLAND AVE
MADISON, WI 53705
Dane County (608) 263-3301
SAVANNA BRITTLEBANK-DOUGLAS MS
Speech-Language Pathologist
1500 HIGHLAND AVE
MADISON, WI 53705
Dane County (301) 828-8970
LINDSAY HOPE ZETZSCHE M.S.
Genetic Counselor, MS
1500 HIGHLAND AVE, WAISMAN CENTER RM 329
MADISON, WI 53705
Dane County (608) 890-0148

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Margaret Koeritzer's NPI number?

The NPI number for Margaret Koeritzer is 1073066676. It was assigned to this individual provider in the NPPES registry on July 31, 2016.

Where is Margaret Koeritzer located?

Margaret Koeritzer practices at 1500 Highland Ave, Madison, WI 53705. The listed phone number is (608) 263-3301.

What is Margaret Koeritzer's specialty?

The primary specialty registered for this NPI is Audiologist with taxonomy code 231H00000X.

Is Margaret Koeritzer enrolled in Medicare?

Yes. Margaret Koeritzer is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Margaret Koeritzer's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Margaret Koeritzer reassigns Medicare benefits to 3 organizations: University Of Wisconsin Medical Foundation, Inc (Middleton, WI), Fairview Express Care (Woodbury, MN) and Fairview Health Services (Burnsville, MN). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Margaret Koeritzer's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Margaret Koeritzer accept?

Health plans from Anthem Blue Cross and Blue Shield list Margaret Koeritzer as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Margaret Koeritzer was last updated on September 24, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.