Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

MADELINE CAROLE BECK
NPI 1649134073
Speech-Language Pathologist in Seattle, WA

Active since December 10, 2025
1100 9TH AVE, SEATTLE, WA 98101(206) 341-1888 Get Directions Write a Review

NPPES record last updated: September 15, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Sep 15, 2026, Dec 10, 2025 (2 updates tracked since 2025).

About Madeline Carole Beck NPPES

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

MADELINE CAROLE BECK (NPI 1649134073) is an individual speech-language pathologist provider in Seattle, Washington, licensed in Washington (SLP.LL.70169015) and active in the NPI registry since December 2025. She is a graduate of University Of Texas Southwestern Medical School At Dallas (2025).

NPPES Registry Identity

NPI1649134073
Entity TypeIndividualFemale
Primary Taxonomy235Z00000X
Provider Legal NameMADELINE CAROLE BECK
Location Address1100 9TH AVESeattle, WA 98101-2756
Mailing AddressPo Box 741515Los Angeles, CA 90074-1515
Sole ProprietorNo
Medical School CMSUniversity Of Texas Southwestern Medical School At DallasGraduated 2025
Enumeration DateDecember 10, 2025
Last NPPES UpdateSeptember 15, 20262 updates tracked since enumeration
NPPES CertifiedSeptember 15, 2026
✔ NPI 1649134073 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 WA · SLP.LL.70169015
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.
1100 9TH AVE, Seattle, WA 98101

Accepted 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 Carole Beck is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID3173019023
PECOS Enrollment IDI20251231000736

Medicare Billing Reassignments

2

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

Gastroenterology
1100 9TH AVE
Seattle, WA 98101
  • Reassigned Medicare billing, Washington enrollment
  • 1,021 clinicians in this Medicare group
Rehabilitation Unit
575 E MAIN ST, BUILDING 1 SUIET A
Elma, WA 98541
  • Reassigned Medicare billing, Washington enrollment
  • 190 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.

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.

Occupational Therapist
1100 9TH AVE
SEATTLE, WA 98101
Pharmacist
1100 9TH AVE, MS C3-PO
SEATTLE, WA 98101
Internal Medicine (Critical Care Medicine)
1100 9TH AVE
SEATTLE, WA 98101
Contractor
1100 9TH AVE
SEATTLE, WA 98101
Physical Medicine & Rehabilitation
1100 9TH AVE
SEATTLE, WA 98101
Speech-Language Pathologist
1100 9TH AVE, MS:H4-PMR
SEATTLE, WA 98101
Surgery
1100 9TH AVE
SEATTLE, WA 98101
Internal Medicine (Gastroenterology)
1100 9TH AVE
SEATTLE, WA 98101

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 Beck's NPI number?

The NPI number for Madeline Beck is 1649134073. It was assigned to this individual provider in the NPPES registry on December 10, 2025.

Where is Madeline Beck located?

Madeline Beck practices at 1100 9th Ave, Seattle, WA 98101. The listed phone number is (206) 341-1888.

What is Madeline Beck's specialty?

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

Is Madeline Beck enrolled in Medicare?

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

Which organizations bill Medicare for Madeline Beck's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Madeline Beck reassigns Medicare benefits to 2 organizations: Virginia Mason Medical Center (Seattle, WA) and Grays Harbor Community Hospital (Elma, WA). 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 Madeline Beck's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Madeline Beck accept?

Health plans from Ambetter Health and Providence Health Plan list Madeline Beck 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 Beck was last updated on September 15, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 39 days 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.