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MS. MARY FRANK RIORDAN M.S. CCC/SLP
NPI 1538317862
Speech-Language Pathologist in Pewaukee, WI

Active since August 28, 2008Accepts Medicare Assignment
321 RIVERSIDE DRIVE, PEWAUKEE, WI 53072(262) 691-2300(262) 691-2184 Get Directions Write a Review

NPPES record last updated: August 28, 2008. Verified against the NPPES registry weekly; last sync: November 08, 2026.

About Ms. Mary Frank Riordan M.s. Ccc/slp NPPES

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

MS. MARY FRANK RIORDAN M.S. CCC/SLP (NPI 1538317862) is an individual speech-language pathologist provider in Pewaukee, Wisconsin, licensed in Wisconsin (298-154) and active in the NPI registry since August 2008. She is a graduate of Other (1990).

NPPES Registry Identity

NPI1538317862
Entity TypeIndividualFemale
Primary Taxonomy235Z00000X
Provider Legal NameMS. MARY FRANK RIORDANCredential: M.S. CCC/SLP
Location Address321 RIVERSIDE DRIVEPewaukee, WI 53072-6214
Mailing Address321 Riverside DrPewaukee, WI 53072-4612 · (262) 691-2300 · Fax (262) 691-2184
Phone(262) 691-2300
Fax(262) 691-2184
Sole ProprietorYes
Medical School CMSOtherGraduated 1990
Enumeration DateAugust 28, 2008
✔ NPI 1538317862 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 WI · 298-154
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.
321 RIVERSIDE DRIVE, Pewaukee, WI 53072
Open in Google Maps ↗

Other Identifiers 1

Medicaid42708000WI

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Ms. Mary Frank Riordan M.s. Ccc/slp is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID2769844570
PECOS Enrollment IDI20230810003022

Medicare Billing Reassignment

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

Fox Rehabilitation Services Wi LLC
17 mi
Physical Therapist
250 E WISCONSIN AVE FL 18
Milwaukee, WI 53202
  • Reassigned Medicare billing, Wisconsin enrollment
  • 187 clinicians in this Medicare group
NPI 1518483973 (877) 407-3422

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

Areas of Expertise CMS Part B claims 2

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Therapy procedure for a range of mental processes, each additional 15 minutes 97130
This therapy procedure focuses on improving mental processes. Each additional 15-minute segment allows for a deeper understanding of your thoughts, feelings, and behaviors. The goal is to enhance your mental well-being and overall quality of life.
622 services13 patients
Therapy procedure for a range of mental processes, initial 15 minutes 97129
This therapy session, lasting 15 minutes, focuses on improving your mental processes. It's an initial step towards understanding your mental health needs. The therapist will engage in conversation, listen to your concerns, and help identify areas for improvement.
224 services13 patients

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 Mary Riordan's NPI number?

The NPI number for Mary Riordan is 1538317862. It was assigned to this individual provider in the NPPES registry on August 28, 2008.

Where is Mary Riordan located?

Mary Riordan practices at 321 Riverside Drive, Pewaukee, WI 53072. The listed phone number is (262) 691-2300.

What is Mary Riordan's specialty?

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

Is Mary Riordan enrolled in Medicare?

Yes. Mary Riordan is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Mary Riordan's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mary Riordan reassigns Medicare benefits to Fox Rehabilitation Services Wi LLC (Milwaukee, 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 Mary Riordan'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 Mary Riordan was last updated on August 28, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.