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MADELINE ABIGAIL TWARDZIK M.A.
NPI 1649872607
Speech-Language Pathologist in Rockwall, TX

Active since November 13, 2020
789 JUSTIN RD, ROCKWALL, TX 75087(972) 771-5731 Get Directions Write a Review

NPPES record last updated: August 29, 2025. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Mar 7, 2024, Nov 13, 2020 (2 updates tracked since 2020).

About Madeline Abigail Twardzik M.a. NPPES

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

MADELINE ABIGAIL TWARDZIK M.A. (NPI 1649872607) is an individual speech-language pathologist provider in Rockwall, Texas, licensed in Texas (120320) and active in the NPI registry since November 2020. She maintains a secondary practice location in Rockwall and is a graduate of Other (2022).

NPPES Registry Identity

NPI1649872607
Entity TypeIndividualFemale
Primary Taxonomy235Z00000X
Provider Legal NameMADELINE ABIGAIL TWARDZIKCredential: M.A.
Location Address789 JUSTIN RDRockwall, TX 75087-4840
Mailing Address789 Justin RdRockwall, TX 75087-4840 · (972) 771-5731
Phone(972) 771-5731
Sole ProprietorYes
Medical School CMSOtherGraduated 2022
Enumeration DateNovember 13, 2020
Last NPPES UpdateAugust 29, 20252 updates tracked since enumeration
NPPES CertifiedAugust 29, 2025
✔ NPI 1649872607 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtySpeech-Language PathologistSpeech, Language and Hearing Service Providers
Taxonomy Code235Z00000X
License✔ Licensed in TX · 120320
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.
Also ListedBehavior TechnicianTaxonomy 106S00000X
789 JUSTIN RD, Rockwall, TX 75087
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Other Names 1

Former Name (1)Madeline Abigail Quinn M.a.

Secondary Practice Location 1

Location 1911 N Goliad StRockwall, TX 75087-2230 · Phone (469) 458-9021

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections and more.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Madeline Abigail Twardzik M.a. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID6204304397
PECOS Enrollment IDI20260506004234

Medicare Billing Reassignment

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

Expressable Speech-Language Pathology, P.C.
195 mi
Speech-Language Pathologist
3800 N LAMAR BLVD STE 200
Austin, TX 78756
  • Reassigned Medicare billing, Texas enrollment
  • Medicare enrollment name: Expressable Speech-Language Pathology PC
  • 167 clinicians in this Medicare group
NPI 1649875857 (512) 377-6318

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.

MS. GRACE ELAINE JACOBSON
Specialist/Technologist (Speech-Language Assistant)
789 JUSTIN RD
ROCKWALL, TX 75087
Rockwall County (972) 771-5731
BETHEL MICHAEL
Speech-Language Pathologist
789 JUSTIN RD
ROCKWALL, TX 75087
Rockwall County (972) 771-5731
EMILY CATHERINE OLIVER OTD, OTR
Occupational Therapist
789 JUSTIN RD
ROCKWALL, TX 75087
Rockwall County (972) 771-5731
PATRICE MCQUEEN M.OT-R
Occupational Therapist
789 JUSTIN RD
ROCKWALL, TX 75087
Rockwall County (972) 771-5731
AMANDA MARIE TALBOT SLP-INTERN
Speech-Language Pathologist
789 JUSTIN RD
ROCKWALL, TX 75087
Rockwall County (972) 771-5731
KIMBERLEY J MELENDEZ M.S. - SLP
Speech-Language Pathologist
789 JUSTIN RD
ROCKWALL, TX 75087
Rockwall County (972) 771-5731
DONDI HAMPTON SLP
Speech-Language Pathologist
789 JUSTIN RD
ROCKWALL, TX 75087
Rockwall County (972) 771-5731
RAQUEL ROMAN LEANOS OT
Occupational Therapist
789 JUSTIN RD
ROCKWALL, TX 75087
Rockwall County (972) 771-5731

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 Madeline Twardzik's NPI number?

The NPI number for Madeline Twardzik is 1649872607. It was assigned to this individual provider in the NPPES registry on November 13, 2020. The provider is also known as Madeline Abigail Quinn M.A..

Where is Madeline Twardzik located?

Madeline Twardzik practices at 789 Justin Rd, Rockwall, TX 75087. The listed phone number is (972) 771-5731.

What is Madeline Twardzik's specialty?

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

Is Madeline Twardzik enrolled in Medicare?

Yes. Madeline Twardzik is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Madeline Twardzik's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Madeline Twardzik reassigns Medicare benefits to Expressable Speech-Language Pathology, P.C. (Austin, TX). 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 Madeline Twardzik's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Madeline Twardzik accept?

Health plans from Ambetter Health, Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections and Ambetter from Superior HealthPlan and 4 other insurers list Madeline Twardzik 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 Madeline Twardzik was last updated on August 29, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.