MATTHEW HOWE ALDER LMHCA
NPI 1174259808
Counselor - Mental Health in Seattle, WA

Active since July 26, 2022PECOS Enrolled
101 ELLIOTT AVE W, SEATTLE, WA 98119(425) 640-7009 Get Directions Write a Review

NPPES record last updated: January 24, 2023. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jan 24, 2023, Jul 26, 2022 (2 updates tracked since 2022).

About Matthew Howe Alder Lmhca NPPES

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

MATTHEW HOWE ALDER LMHCA (NPI 1174259808) is an individual mental health provider in Seattle, Washington, licensed in Washington (MC61316622) and active in the NPI registry since July 2022. He is enrolled in Medicare PECOS, maintains 3 additional practice locations, and is a graduate of Other (2020).

NPPES Registry Identity

NPI1174259808
Entity TypeIndividualMale
Primary Taxonomy101YM0800X
Provider Legal NameMATTHEW HOWE ALDERCredential: LMHCA
Location Address101 ELLIOTT AVE WSeattle, WA 98119-4236
Mailing Address100 N Howard St Ste WSpokane, WA 99201-0508 · (765) 609-1468
Sole ProprietorNo
Medical School CMSOtherGraduated 2020
Enumeration DateJuly 26, 2022
Last NPPES UpdateJanuary 24, 20232 updates tracked since enumeration
NPPES CertifiedJanuary 24, 2023
✔ NPI 1174259808 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 · MC61316622
101 ELLIOTT AVE W, Seattle, WA 98119

Other Names 1

Other Name (5)Matthew Alder Lmhca

Secondary Practice Locations 3

Location 12111 N Northgate Way Ste 101Seattle, WA 98133-9018 · Phone (208) 309-3740
Location 213037 NE Bel Red Rd Ste 102Bellevue, WA 98005-2618 · Phone (425) 502-9945
Location 37416 212th St SWEdmonds, WA 98026-7602 · Phone (425) 245-5800

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)

Matthew Howe Alder Lmhca is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID42785834
PECOS Enrollment IDI20260409000986
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 Alder reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Clinical
6505 216TH ST SW STE 100
Mountlake Terrace, WA 98043
  • Reassigned Medicare billing, Washington enrollment
  • 777 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 3

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

Counselor (Mental Health)
101 ELLIOTT AVE W
SEATTLE, WA 98119
Nurse Practitioner (Psychiatric/Mental Health)
101 ELLIOTT AVE W
SEATTLE, WA 98119
Nurse Practitioner (Psychiatric/Mental Health)
101 ELLIOTT AVE W
SEATTLE, WA 98119

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 Alder's NPI number?

The NPI number for Matthew Alder is 1174259808. It was assigned to this individual provider in the NPPES registry on July 26, 2022. The provider is also known as Matthew Alder Lmhca.

Where is Matthew Alder located?

Matthew Alder practices at 101 Elliott Ave W, Seattle, WA 98119. The listed phone number is (425) 640-7009.

What is Matthew Alder's specialty?

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

Is Matthew Alder enrolled in Medicare?

Yes. Matthew Alder is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Matthew Alder's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Matthew Alder reassigns Medicare benefits to Mindful Therapy Group PC (Mountlake Terrace, 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 Alder's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Matthew Alder accept?

Health plans from BridgeSpan Health Company, Premera Blue Cross Blue Shield of Alaska and Regence BlueCross BlueShield of Oregon list Matthew Alder 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 Alder was last updated on January 24, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years 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.