CATHERINE WILLIAMS M.A. CCC-SLP
NPI 1942681713
Speech-Language Pathologist in Farmington Hills, MI

Q: What is Catherine Williams's NPI number?

The NPI number for Catherine Williams is 1942681713. It was assigned to this individual provider in the NPPES registry on June 17, 2015.

Q: What is Catherine Williams's specialty?

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

Active since June 17, 2015

30787 COUNTRY RIDGE CIR, FARMINGTON HILLS, MI 48331(248) 921-3863 Get Directions Write a Review

NPPES record last updated: June 17, 2015. Verified against the NPPES registry weekly; last sync: October 25, 2026.

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About Catherine Williams M.a. Ccc-slp NPPES

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

CATHERINE WILLIAMS M.A. CCC-SLP (NPI 1942681713) is an individual speech-language pathologist provider in Farmington Hills, Michigan, licensed in Michigan (7101003367) and active in the NPI registry since June 2015.

NPPES Registry Identity

NPI1942681713

Entity TypeIndividualFemale

Primary Taxonomy235Z00000X

Provider Legal NameCATHERINE WILLIAMSCredential: M.A. CCC-SLP

Location Address30787 COUNTRY RIDGE CIRFarmington Hills, MI 48331-1110

Mailing Address30787 Country Ridge CirFarmington Hills, MI 48331-1110 · (248) 921-3863

Phone(248) 921-3863

Sole ProprietorYes

Enumeration DateJune 17, 2015

✔ NPI 1942681713 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

License✔ Licensed in MI · 7101003367

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.

30787 COUNTRY RIDGE CIR, Farmington Hills, MI 48331

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Care Network of Michigan, Blue Cross Blue Shield of Michigan Mutual Insurance Company.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Catherine Williams M.a. Ccc-slp is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Medicare Billing Reassignment

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

Apex Therapy Services, Inc

7.1 mi

Clinical

30200 TELEGRAPH RD, SUITE 207
Bingham Farms, MI 48025

Reassigned Medicare billing, Michigan enrollment
6 clinicians in this Medicare group

NPI 1881036754 (248) 712-1129

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

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 Catherine Williams's NPI number?

The NPI number for Catherine Williams is 1942681713. It was assigned to this individual provider in the NPPES registry on June 17, 2015.

Where is Catherine Williams located?

Catherine Williams practices at 30787 Country Ridge Cir, Farmington Hills, MI 48331. The listed phone number is (248) 921-3863.

What is Catherine Williams's specialty?

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

Is Catherine Williams enrolled in Medicare?

Yes. Catherine Williams is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Catherine Williams's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Catherine Williams reassigns Medicare benefits to Apex Therapy Services, Inc (Bingham Farms, MI). 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 Catherine Williams's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Catherine Williams accept?

Health plans from Blue Care Network of Michigan and Blue Cross Blue Shield of Michigan Mutual Insurance Company list Catherine Williams 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 Catherine Williams was last updated on June 17, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.