1. Home
  2. Directory
  3. Wisconsin
  4. Wausau
  5. Speech Language Pathologist
  6. NPI Profile

MRS. KARLA RENAE RETRUM MS, CCC-SLP
NPI 1376930560
Speech-Language Pathologist in Wausau, WI

Active since April 25, 2015
4510 FOREST VALLEY RD, WAUSAU, WI 54403(715) 802-0474 Get Directions Write a Review

NPPES record last updated: July 5, 2023. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jul 5, 2023, Jun 24, 2023 (2 updates tracked since 2023).

About Mrs. Karla Renae Retrum Ms, Ccc-slp NPPES

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

MRS. KARLA RENAE RETRUM MS, CCC-SLP (NPI 1376930560) is an individual speech-language pathologist provider in Wausau, Wisconsin and active in the NPI registry since April 2015. She maintains a secondary practice location in Wausau.

NPPES Registry Identity

NPI1376930560
Entity TypeIndividualFemale
Primary Taxonomy235Z00000X
Provider Legal NameMRS. KARLA RENAE RETRUMCredential: MS, CCC-SLP
Location Address4510 FOREST VALLEY RDWausau, WI 54403-1104
Mailing Address4510 Forest Valley RdWausau, WI 54403-1104 · (715) 551-9281
Phone(715) 802-0474
Sole ProprietorNo
Enumeration DateApril 25, 2015
Last NPPES UpdateJuly 5, 20232 updates tracked since enumeration
NPPES CertifiedJuly 5, 2023
✔ NPI 1376930560 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySpeech-Language PathologistSpeech, Language and Hearing Service Providers
Taxonomy Code235Z00000X
Definition
The speech-language pathologist is the professional who engages in clinical services, prevention, advocacy, education, administration, and research in the areas of communication and swallowing across the life span from infancy through geriatrics. Speech-language pathologists address typical and atypical impairments and disorders related to communication and swallowing in the areas of speech sound production, resonance, voice, fluency, language (comprehension and expression), cognition, and feeding and swallowing.
4510 FOREST VALLEY RD, Wausau, WI 54403
Open in Google Maps ↗

Secondary Practice Location 1

Location 13200 Westhill Dr Ste 100Wausau, WI 54401-4706 · Phone (715) 843-1058

Accepted Insurance

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

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mrs. Karla Renae Retrum Ms, Ccc-slp is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Medicare Billing Reassignment

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

Aspirus Wausau Hospital Inc
3.4 mi
Dermatology
1901 WESTWOOD CENTER BLVD
Wausau, WI 54401
  • Reassigned Medicare billing, Wisconsin enrollment
  • 633 clinicians in this Medicare group
NPI 1477883759 (715) 847-2626

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

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

CENTRAL WISCONSIN SPEECH THERAPY, LLC
Speech-Language Pathologist
4510 FOREST VALLEY RD
WAUSAU, WI 54403
Marathon County (715) 551-9281

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 Karla Retrum's NPI number?

The NPI number for Karla Retrum is 1376930560. It was assigned to this individual provider in the NPPES registry on April 25, 2015.

Where is Karla Retrum located?

Karla Retrum practices at 4510 Forest Valley Rd, Wausau, WI 54403. The listed phone number is (715) 802-0474.

What is Karla Retrum's specialty?

The primary specialty registered for this NPI is Speech-Language Pathologist with taxonomy code 235Z00000X.

Is Karla Retrum enrolled in Medicare?

Yes. Karla Retrum is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Karla Retrum's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Karla Retrum reassigns Medicare benefits to Aspirus Wausau Hospital Inc (Wausau, 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 Karla Retrum's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Karla Retrum accept?

Health plans from Anthem Blue Cross and Blue Shield and Security Health Plan list Karla Retrum 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 Karla Retrum was last updated on July 5, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.