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MEREDITH GRACE MARTIN MHP, MSW, LICSW
NPI 1891426052
Social Worker in Shoreline, WA

Active since June 20, 2022PECOS Enrolled
17018 15TH AVE NE, SHORELINE, WA 98155(206) 362-7282 Get Directions Write a Review

NPPES record last updated: September 12, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Sep 12, 2025, Feb 17, 2025 (2 updates tracked since 2025).

About Meredith Grace Martin Mhp, Msw, Licsw NPPES

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

MEREDITH GRACE MARTIN MHP, MSW, LICSW (NPI 1891426052) is an individual social worker in Shoreline, Washington, licensed in Washington (LW61589593) and active in the NPI registry since June 2022. She is enrolled in Medicare PECOS and maintains a secondary practice location in Seattle.

NPPES Registry Identity

NPI1891426052
Entity TypeIndividualFemale
Primary Taxonomy104100000X
Provider Legal NameMEREDITH GRACE MARTINCredential: MHP, MSW, LICSW
Location Address17018 15TH AVE NEShoreline, WA 98155-5137
Mailing Address17018 15th Ave NeShoreline, WA 98155-5137
Phone(206) 362-7282
Sole ProprietorYes
Enumeration DateJune 20, 2022
Last NPPES UpdateSeptember 12, 20252 updates tracked since enumeration
NPPES CertifiedSeptember 12, 2025
✔ NPI 1891426052 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtySocial WorkerBehavioral Health & Social Service Providers
Taxonomy Code104100000X
License✔ Licensed in WA · LW61589593
Definition
A social worker is a person who is qualified by a Social Work degree, and licensed, certified or registered by the state as a social worker to practice within the scope of that license. A social worker provides assistance and counseling to clients and their families who are dealing with social, emotional and environmental problems. Social work services may be rendered to individuals, families, groups, and the public.
Also ListedCounselorTaxonomy 101Y00000X
Also ListedCounselor · Mental HealthTaxonomy 101YM0800X

Secondary Practice Location 1

Location 1125 16th Ave ESeattle, WA 98112-5211 · Phone (206) 326-3000 · Fax (877) 515-2975

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Meredith Grace Martin Mhp, Msw, Licsw is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer– Part B Labs & Imaging✔ Durable Medical Equipment– Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

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

Kaiser Foundation Health Plan Of Washington
Multi-Specialty
2715 NACHES AVE SW # GSWA1N02
Renton, WA 98057
  • Reassigned Medicare billing, Washington enrollment
  • 2,678 clinicians in this Medicare group
NPI 1124264577 (509) 241-7349

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.

RAMSEY VIRGIL RAMSEY LMFT, IEDS
Marriage & Family Therapist
17018 15TH AVE NE
SHORELINE, WA 98155
King County (206) 601-5186
MYLINH BUI
Counselor
17018 15TH AVE NE
SHORELINE, WA 98155
King County (206) 288-9010
KARLEEN MICHAEL MARS TAMTE
Counselor (Mental Health)
17018 15TH AVE NE
SHORELINE, WA 98155
King County (206) 362-7282
EMILY ANN RIEHL
Counselor
17018 15TH AVE NE
SHORELINE, WA 98155
King County (206) 362-7282
RICHARD RUNGE
Case Manager/Care Coordinator
17018 15TH AVE NE
SHORELINE, WA 98155
King County (206) 369-1224
KATIE DORAINE HORTON
Student in an Organized Health Care Education/Training Program
17018 15TH AVE NE
SHORELINE, WA 98155
King County (206) 362-7282
ERICA EWELL
Counselor
17018 15TH AVE NE
SHORELINE, WA 98155
King County (206) 362-7282
CENTER FOR HUMAN SERVICES
Clinic/Center (Rehabilitation, Substance Use Disorder)
17018 15TH AVE NE
SHORELINE, WA 98155
King County (206) 362-7282

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 Meredith Martin's NPI number?

The NPI number for Meredith Martin is 1891426052. It was assigned to this individual provider in the NPPES registry on June 20, 2022.

Where is Meredith Martin located?

Meredith Martin practices at 17018 15th Ave NE, Shoreline, WA 98155. The listed phone number is (206) 362-7282.

What is Meredith Martin's specialty?

The primary specialty registered for this NPI is Social Worker with taxonomy code 104100000X.

Is Meredith Martin enrolled in Medicare?

Yes. Meredith Martin is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Meredith Martin's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Meredith Martin reassigns Medicare benefits to Kaiser Foundation Health Plan Of Washington (Renton, WA). 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 Meredith Martin'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 Meredith Martin was last updated on September 12, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.