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MATTHEW C BOYNTON MA LMHC
NPI 1063504991
Counselor - Mental Health in Tukwila, WA

Active since September 28, 2006PECOS EnrolledAccepts Medicare Assignment
16040 CHRISTENSEN ROAD, RIVER VALLEY PSYCHOLOGICAL SERVICES SUITE 212, TUKWILA, WA 98188(206) 431-5336(206) 431-5430 Get Directions Write a Review

NPPES record last updated: March 13, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Matthew C Boynton Ma Lmhc NPPES

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

MATTHEW C BOYNTON MA LMHC (NPI 1063504991) is an individual mental health provider in Tukwila, Washington, licensed in Washington (LH00008737) and active in the NPI registry since September 2006. He is enrolled in Medicare PECOS and is a graduate of Other (2001).

NPPES Registry Identity

NPI1063504991
Entity TypeIndividualMale
Primary Taxonomy101YM0800X
Provider Legal NameMATTHEW C BOYNTONCredential: MA LMHC
Location Address16040 CHRISTENSEN ROAD, RIVER VALLEY PSYCHOLOGICAL SERVICES SUITE 212Tukwila, WA 98188
Mailing Address16040 Christensen Road, River Valley Psychological Services Suite 212Tukwila, WA 98188 · (206) 431-5336 · Fax (206) 431-5430
Phone(206) 431-5336
Fax(206) 431-5430
Sole ProprietorNo
Medical School CMSOtherGraduated 2001
Enumeration DateSeptember 28, 2006
Last NPPES UpdateMarch 13, 2026
NPPES CertifiedMarch 13, 2026
✔ NPI 1063504991 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselor · Mental HealthBehavioral Health & Social Service Providers
Taxonomy Code101YM0800X
License✔ Licensed in WA · LH00008737
16040 CHRISTENSEN ROAD, Tukwila, WA 98188
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include 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 and accepts Medicare assignment

Matthew C Boynton Ma Lmhc is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID143754325
PECOS Enrollment IDI20241111001925
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 Matthew Boynton reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Western Psychological And Counseling Services LLC
125 mi
Clinical
7507 NE 51ST ST
Vancouver, WA 98662
  • Reassigned Medicare billing, Washington enrollment
  • 225 clinicians in this Medicare group
NPI 1629345731 (360) 906-1190

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 2

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

DR. KATHY NEWPORT MELMAN PH.D.
Psychologist (Clinical)
16040 CHRISTENSEN ROAD, SUITE 217
SEATTLE, WA 98188
King County (206) 244-9959
DR. PHOUKHAM KELLY BOUNKEUA PHD
Counselor (Mental Health)
16040 CHRISTENSEN ROAD
TUKWILA, WA 98188
King County (425) 391-0887

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 Matthew Boynton's NPI number?

The NPI number for Matthew Boynton is 1063504991. It was assigned to this individual provider in the NPPES registry on September 28, 2006.

Where is Matthew Boynton located?

Matthew Boynton practices at 16040 Christensen Road River Valley Psychological Services Suite 212, Tukwila, WA 98188. The listed phone number is (206) 431-5336.

What is Matthew Boynton's specialty?

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

Is Matthew Boynton enrolled in Medicare?

Yes. Matthew Boynton is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Matthew Boynton's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Matthew Boynton reassigns Medicare benefits to Western Psychological And Counseling Services LLC (Vancouver, 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 Matthew Boynton's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Matthew Boynton accept?

Health plans from Premera Blue Cross Blue Shield of Alaska and Providence Health Plan list Matthew Boynton 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 Matthew Boynton was last updated on March 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.