1. Home
  2. Directory
  3. Wisconsin
  4. Appleton
  5. Audiologist
  6. NPI Profile

MR. PETER JOHN ZELLMER M.S., CCC-A
NPI 1023153251
Audiologist in Appleton, WI

Active since February 21, 2007
1336 E WISCONSIN AVE, APPLETON, WI 54911(920) 733-7525(920) 730-9403 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Mr. Peter John Zellmer M.s., Ccc-a NPPES

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

MR. PETER JOHN ZELLMER M.S., CCC-A (NPI 1023153251) is an individual audiologist in Appleton, Wisconsin, licensed in Wisconsin (359-156) and active in the NPI registry since February 2007.

NPPES Registry Identity

NPI1023153251
Entity TypeIndividualMale
Primary Taxonomy231H00000X
Provider Legal NameMR. PETER JOHN ZELLMERCredential: M.S., CCC-A
Location Address1336 E WISCONSIN AVEAppleton, WI 54911-3969
Mailing Address1336 E Wisconsin AveAppleton, WI 54911-3969 · (920) 733-7525 · Fax (920) 730-9403
Phone(920) 733-7525
Fax(920) 730-9403
Sole ProprietorNo
Enumeration DateFebruary 21, 2007
Last NPPES UpdateJuly 8, 2007
✔ NPI 1023153251 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAudiologistSpeech, Language and Hearing Service Providers
Taxonomy Code231H00000X
License✔ Licensed in WI · 359-156
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.
1336 E WISCONSIN AVE, Appleton, WI 54911
Open in Google Maps ↗

Other Identifiers 2

Other359-156WI · Wi Audiology License
Medicaid41140700WI

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mr. Peter John Zellmer M.s., Ccc-a is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Medicare Billing Reassignment

Medicare enrollment records show Peter Zellmer reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Haviland Hearing Aids Inc.
Same address
Audiologist
1336 E WISCONSIN AVE
Appleton, WI 54911
  • Reassigned Medicare billing, Wisconsin enrollment
  • 2 clinicians in this Medicare group
NPI 1003947748 (920) 733-7525

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 3

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

HAVILAND HEARING AIDS INC.
Audiologist
1336 E WISCONSIN AVE
APPLETON, WI 54911
Outagamie County (920) 733-7525
MRS. SHIRLEY LOUISE CLEMMONS BC-HIS
Hearing Instrument Specialist
1336 E WISCONSIN AVE
APPLETON, WI 54911
Outagamie County (920) 733-7525
JUDY ANN GARDINER
Hearing Instrument Specialist
1336 E WISCONSIN AVE
APPLETON, WI 54911
Outagamie County (920) 733-7525

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 Peter Zellmer's NPI number?

The NPI number for Peter Zellmer is 1023153251. It was assigned to this individual provider in the NPPES registry on February 21, 2007.

Where is Peter Zellmer located?

Peter Zellmer practices at 1336 E Wisconsin Ave, Appleton, WI 54911. The listed phone number is (920) 733-7525.

What is Peter Zellmer's specialty?

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

Is Peter Zellmer enrolled in Medicare?

Yes. Peter Zellmer is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Peter Zellmer's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Peter Zellmer reassigns Medicare benefits to Haviland Hearing Aids Inc. (Appleton, WI). The 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 Peter Zellmer's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Peter Zellmer was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 years 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.