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MARY LYNCH
NPI 1669972600
Counselor - Mental Health in Shoreline, WA

Active since February 16, 2018PECOS Enrolled
17018 15TH AVE NE, SHORELINE, WA 98155(206) 739-6533 Get Directions Write a Review

NPPES record last updated: October 31, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: May 23, 2023, Feb 16, 2018 (2 updates tracked since 2018).

About Mary Lynch NPPES

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

MARY LYNCH (NPI 1669972600) is an individual mental health provider in Shoreline, Washington and active in the NPI registry since February 2018. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1669972600
Entity TypeIndividualFemale
Primary Taxonomy101YM0800X
Provider Legal NameMARY LYNCH
Location Address17018 15TH AVE NEShoreline, WA 98155-5137
Mailing Address17018 15th Ave NeShoreline, WA 98155-5137
Phone(206) 739-6533
Sole ProprietorNo
Enumeration DateFebruary 16, 2018
Last NPPES UpdateOctober 31, 20252 updates tracked since enumeration
NPPES CertifiedOctober 31, 2025
✔ NPI 1669972600 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyCounselor · Mental HealthBehavioral Health & Social Service Providers
Taxonomy Code101YM0800X
Also ListedCounselorTaxonomy 101Y00000X
17018 15TH AVE NE, Shoreline, WA 98155
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter Health, Premera Blue Cross Blue Shield of Alaska, Providence Health Plan.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mary Lynch 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 Mary Lynch reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Seattle Children's Hospital
6.4 mi
Specialist
4800 SAND POINT WAY NE
Seattle, WA 98105
  • Reassigned Medicare billing, Washington enrollment
  • Medicare enrollment name: Seattle Childrens Hospital
  • 912 clinicians in this Medicare group
NPI 1003319500 (206) 987-2000

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 Mary Lynch's NPI number?

The NPI number for Mary Lynch is 1669972600. It was assigned to this individual provider in the NPPES registry on February 16, 2018.

Where is Mary Lynch located?

Mary Lynch practices at 17018 15th Ave NE, Shoreline, WA 98155. The listed phone number is (206) 739-6533.

What is Mary Lynch's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Mental Health, with taxonomy code 101YM0800X.

Is Mary Lynch enrolled in Medicare?

Yes. Mary Lynch is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Mary Lynch's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mary Lynch reassigns Medicare benefits to Seattle Children's Hospital (Seattle, 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 Mary Lynch's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Mary Lynch accept?

Health plans from Ambetter Health, Premera Blue Cross Blue Shield of Alaska and Providence Health Plan list Mary Lynch 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 Mary Lynch was last updated on October 31, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.