LARISSA LILLIAN HARRISON
NPI 1952990848
Speech-Language Pathologist in Waukesha, WI

Active since January 14, 2021Accepts Medicare Assignment
222 PARK PL, WAUKESHA, WI 53186(262) 446-9466 Get Directions Write a Review

NPPES record last updated: May 29, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: May 29, 2025, May 9, 2023, Jan 14, 2021 (3 updates tracked since 2021).

About Larissa Lillian Harrison NPPES

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

LARISSA LILLIAN HARRISON (NPI 1952990848) is an individual speech-language pathologist provider in Waukesha, Wisconsin, licensed in Wisconsin (5108-154) and active in the NPI registry since January 2021. She maintains 2 additional practice locations and is a graduate of Other (2020).

NPPES Registry Identity

NPI1952990848
Entity TypeIndividualFemale
Primary Taxonomy235Z00000X
Provider Legal NameLARISSA LILLIAN HARRISON
Location Address222 PARK PLWaukesha, WI 53186-4858
Mailing Address222 Park PlWaukesha, WI 53186-4858
Sole ProprietorNo
Medical School CMSOtherGraduated 2020
Enumeration DateJanuary 14, 2021
Last NPPES UpdateMay 29, 20253 updates tracked since enumeration
NPPES CertifiedMay 29, 2025
✔ NPI 1952990848 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 · 5108-154
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.
222 PARK PL, Waukesha, WI 53186

Other Names 1

Other Name (5)Larissa Lillian Lafavor

Secondary Practice Locations 2

Location 11700 W Paradise DrWest Bend, WI 53095-9795 · Phone (262) 334-3451
Location 21900 American Eagle DrSlinger, WI 53086-9043 · Phone (262) 297-6300

Accepted Insurance

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

Larissa Lillian Harrison 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 ID5991163271
PECOS Enrollment IDI20230619000399

Medicare Billing Reassignments

2

Medicare enrollment records show Larissa Harrison reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Rehabilitation
222 PARK PL
Waukesha, WI 53186
  • Reassigned Medicare billing, Wisconsin enrollment
  • 19 clinicians in this Medicare group
Internal Medicine
W180N8000 TOWN HALL RD
Menomonee Falls, WI 53051
  • Reassigned Medicare billing, Wisconsin enrollment
  • 2,294 clinicians in this Medicare group

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 4

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.

Treatment of speech, language, voice, communication, and/or hearing processing disorder 92507
This treatment involves working with a specialist to improve communication skills. It could involve exercises to enhance speech clarity, language understanding, voice volume, or hearing comprehension. The goal is to enhance your ability to express and understand others effectively.
200 services31 patients
Treatment of swallowing and feeding disorder 92526
Treatment for swallowing and feeding disorders involves a team of specialists who will work together to improve your ability to eat and drink safely. This may include exercises to strengthen swallowing muscles, dietary changes, or special techniques to make swallowing easier.
34 services16 patients
Evaluation of speech sound production with evaluation of language comprehension and expression 92523
This service involves assessing your ability to produce speech sounds and understand language. It also evaluates your ability to express yourself through language. It's a comprehensive review of your communication skills to identify any potential issues.
21 services21 patients
Evaluation of swallowing function 92610
Evaluation of swallowing function is a medical procedure that assesses your ability to swallow food and drink safely. This involves studying the muscles and nerves involved in swallowing. It helps identify any issues that might lead to difficulties in eating or drinking.
19 services16 patients

Other Providers at the Same Location NPPES 6

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

Pharmacy (Long Term Care Pharmacy)
222 PARK PL
WAUKESHA, WI 53186
Physical Therapist (Geriatrics)
222 PARK PL
WAUKESHA, WI 53186
Clinic/Center (Rehabilitation)
222 PARK PL
WAUKESHA, WI 53186
Physical Therapist
222 PARK PL
WAUKESHA, WI 53186
Hospice Care, Community Based
222 PARK PL
WAUKESHA, WI 53186
Occupational Therapist
222 PARK PL
WAUKESHA, WI 53186

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 Larissa Harrison's NPI number?

The NPI number for Larissa Harrison is 1952990848. It was assigned to this individual provider in the NPPES registry on January 14, 2021. The provider is also known as Larissa Lillian Lafavor.

Where is Larissa Harrison located?

Larissa Harrison practices at 222 Park Pl, Waukesha, WI 53186. The listed phone number is (262) 446-9466.

What is Larissa Harrison's specialty?

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

Is Larissa Harrison enrolled in Medicare?

Yes. Larissa Harrison 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 organizations bill Medicare for Larissa Harrison's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Larissa Harrison reassigns Medicare benefits to 2 organizations: Presbyterian Homes Of Wisconsin, Inc. (Waukesha, WI) and Froedtert & the Medical College Of Wisconsin Community Physicians, Inc. (Menomonee Falls, WI). 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 Larissa Harrison's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Larissa Harrison accept?

Health plans from UnitedHealthcare list Larissa Harrison 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 Larissa Harrison was last updated on May 29, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.