JESSICA LYNN WILLIAMS M.S., SLP
NPI 1972915999
Speech-Language Pathologist in Phoenix, AZ

Q: What is Jessica Williams's NPI number?

The NPI number for Jessica Williams is 1972915999. It was assigned to this individual provider in the NPPES registry on May 26, 2014.

Q: What is Jessica Williams's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Jessica Williams was last updated on August 30, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.

Active since May 26, 2014

124 W THOMAS RD, PHOENIX, AZ 85013(602) 933-0500(602) 933-4320 Get Directions Write a Review

NPPES record last updated: August 30, 2022. Verified against the NPPES registry weekly; last sync: November 08, 2026.

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About Jessica Lynn Williams M.s., Slp NPPES

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

JESSICA LYNN WILLIAMS M.S., SLP (NPI 1972915999) is an individual speech-language pathologist provider in Phoenix, Arizona, licensed in Arizona (SLP8856) and active in the NPI registry since May 2014.

NPPES Registry Identity

NPI1972915999

Entity TypeIndividualFemale

Primary Taxonomy235Z00000X

Provider Legal NameJESSICA LYNN WILLIAMSCredential: M.S., SLP

Location Address124 W THOMAS RDPhoenix, AZ 85013-4414

Mailing Address2108 E Thomas Rd Ste 130Phoenix, AZ 85016-7761 · (602) 933-3124

Phone(602) 933-0500

Fax(602) 933-4320

Sole ProprietorYes

Enumeration DateMay 26, 2014

Last NPPES UpdateAugust 30, 2022

NPPES CertifiedAugust 30, 2022

✔ NPI 1972915999 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

Licenses✔ Licensed in AZ · SLP8856✔ Licensed in AZ · TSLP8856✔ Licensed in AZ · SLP13342

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.

124 W THOMAS RD, Phoenix, AZ 85013

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Antidote Health Plan of Arizona, Inc., Imperial Insurance Companies, Inc..Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Jessica Lynn Williams M.s., Slp is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Medicare Billing Reassignments

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

Phoenix Children's Hospital

2.0 mi

Pediatrics

1919 E THOMAS RD
Phoenix, AZ 85016

Reassigned Medicare billing, Arizona enrollment
1,416 clinicians in this Medicare group

NPI 1922112044 (602) 933-1000

District Medical Group, Inc

3.1 mi

Pulmonary Disease

2525 E ROOSEVELT ST, MED CLINIC - PULMONARY
Phoenix, AZ 85008

Reassigned Medicare billing, Arizona enrollment
1,490 clinicians in this Medicare group

NPI 1700119815 (602) 344-1095

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 20

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

DIGNITY HEALTH

Clinic/Center (Multi-Specialty)

124 W THOMAS RD
PHOENIX, AZ 85013

Maricopa County (602) 406-3609

JACQUELINE SIEGEL-BARTELT M.D.

Pediatrics

124 W THOMAS RD
PHOENIX, AZ 85013

Maricopa County (602) 406-5477

LISA M SANDRE

Audiologist

124 W THOMAS RD, SUITE 130
PHOENIX, AZ 85013

Maricopa County (602) 406-4185

MS. MARTHA MAGDELINE DOLENC RD, CNSD

Dietitian, Registered (Nutrition, Pediatric)

124 W THOMAS RD
PHOENIX, AZ 85013

Maricopa County (602) 406-6463

PATRICIA BEALS DMD

Dentist (Orthodontics and Dentofacial Orthopedics)

124 W THOMAS RD, SUITE 330
PHOENIX, AZ 85013

Maricopa County (602) 406-3560

JULIE DARLAND AU.D.,CCC-A

Audiologist

124 W THOMAS RD
PHOENIX, AZ 85013

Maricopa County (602) 406-6420

MARYA K COTA PH.D

Psychologist (Clinical)

124 W THOMAS RD
PHOENIX, AZ 85013

Maricopa County (602) 406-5734

KIRA MIERA

Speech-Language Pathologist

124 W THOMAS RD
PHOENIX, AZ 85013

Maricopa County (602) 406-5156

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 Jessica Williams's NPI number?

The NPI number for Jessica Williams is 1972915999. It was assigned to this individual provider in the NPPES registry on May 26, 2014.

Where is Jessica Williams located?

Jessica Williams practices at 124 W Thomas Rd, Phoenix, AZ 85013. The listed phone number is (602) 933-0500.

What is Jessica Williams's specialty?

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

Is Jessica Williams enrolled in Medicare?

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

Which organizations bill Medicare for Jessica Williams's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Jessica Williams reassigns Medicare benefits to 2 organizations: Phoenix Children's Hospital (Phoenix, AZ) and District Medical Group, Inc (Phoenix, AZ). 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 Jessica Williams's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Jessica Williams accept?

Health plans from Antidote Health Plan of Arizona, Inc. and Imperial Insurance Companies, Inc. list Jessica 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 Jessica Williams was last updated on August 30, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.