LAKE WHATCOM RESIDENTIAL & TREATMENT CENTER
NPI 1043281736
Community/Behavioral Health in Bellingham, WA

Active since January 30, 2006CLIA 50D2059572 · Waiver
3600 MERIDIAN ST, BELLINGHAM, WA 98225(360) 676-6000(360) 676-6006 Get Directions Write a Review

NPPES record last updated: January 7, 2025. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Jan 7, 2025, Jun 2, 2023, Sep 21, 2020 and 2 more (5 updates tracked since 2018).

About Lake Whatcom Residential & Treatment Center NPPES

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

LAKE WHATCOM RESIDENTIAL & TREATMENT CENTER (NPI 1043281736) is a healthcare organization registered as a community/behavioral health in Bellingham, Washington and active in the NPI registry since January 2006. The organization holds a CLIA Waiver certificate valid through April 4, 2028 and lists Stephanie Ann Zapien, Finance/it Director, as its authorized official.

NPPES Registry Identity

NPI1043281736
Entity TypeOrganization
Primary Taxonomy251S00000X
Legal Business NameLAKE WHATCOM RESIDENTIAL & TREATMENT CENTER
Location Address3600 MERIDIAN STBellingham, WA 98225-1756
Mailing Address3600 Meridian StBellingham, WA 98225-1756 · (360) 676-6000 · Fax (360) 676-6006
Fax(360) 676-6006
Organization SubpartNo
Authorized OfficialStephanie Ann ZapienFinance/it Director · (360) 676-6000
Enumeration DateJanuary 30, 2006
Last NPPES UpdateJanuary 7, 20255 updates tracked since enumeration
NPPES CertifiedJanuary 7, 2025
✔ NPI 1043281736 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 6

★ Primary SpecialtyCommunity/Behavioral HealthAgencies
Taxonomy Code251S00000X
License✔ Licensed in WA · 028
Definition
A private or public agency usually under local government jurisdiction, responsible for assuring the delivery of community based mental health, intellectual disabilities, substance abuse and/or behavioral health services to individuals with those disabilities. Services may range from companion care, respite, transportation, community integration, crisis intervention and stabilization, supported employment, day support, prevocational services, residential support, therapeutic and supportive consultation, environmental modifications, intensive in-home therapy and day treatment, in addition to traditional mental health and behavioral treatment.
Also ListedCounselor · Mental HealthTaxonomy 101YM0800X
Also ListedSubstance Abuse Rehabilitation FacilityTaxonomy 324500000X
Also ListedNurse Practitioner · Primary CareTaxonomy 363LP2300X
3600 MERIDIAN ST, Bellingham, WA 98225

Other Identifiers 1

Medicaid7043615WA

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Lake Whatcom Residential & Treatment Center is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

7

Medicare enrollment records show 7 clinicians reassign Medicare billing to Lake Whatcom Residential & Treatment Center, which bills Medicare for the services they deliver. Of these, 3 practice at this address and 5 within 10 miles. They are listed nearest first.

Clinicians, nearest first (7)

Nurse Practitioner
NPI 1528391794
3600 MERIDIAN ST
Bellingham, WA 98225
(360) 676-6000
✔ PECOS✔ Accepts MedicareSame address
Nurse Practitioner
NPI 1265113815
3600 MERIDIAN ST
Bellingham, WA 98225
(360) 676-6000
✔ PECOS✔ Accepts MedicareSame address
Nurse Practitioner
NPI 1639783079
3600 MERIDIAN ST
Bellingham, WA 98225
(360) 676-6000
✔ PECOS✔ Accepts MedicareSame address
Nurse Practitioner
NPI 1407929383
4120 MERIDIAN ST # SR220
Bellingham, WA 98226
(360) 922-3030
✔ PECOS0.8 mi
Nurse Practitioner
NPI 1265981831
4201 MERIDIAN ST STE 113
Bellingham, WA 98226
(360) 305-3275
✔ PECOS✔ Accepts Medicare1.0 mi
Psychiatry
NPI 1730123084
1100 S 2ND ST
Mount Vernon, WA 98273
(360) 419-3500
✔ PECOS26 mi
Nurse Practitioner
NPI 1497703359
4526 FEDERAL AVE
Everett, WA 98203
(425) 349-6200
✔ PECOS✔ Accepts Medicare58 mi

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Waiver 50D2059572

Lake Whatcom Residential & Treatment Center · Bellingham, WA
Active · expires Apr 4, 2028
CLIA Number50D2059572
Laboratory TypeHome Health Agency
Certificate Effective DateMay 24, 2013
Certificate Expiration DateApril 4, 2028
Laboratory DirectorAngela Belcaster
Laboratory Phone(360) 676-6000
Laboratory LocationLake Whatcom Residential & Treatment Center3600 Meridian St, Bellingham, WA 98225
CLIA data matches this NPI record on: Address Name Phone
This certificate is issued to a laboratory to perform only waived tests.

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 Lake Whatcom Residential & Treatment Center's NPI number?

The NPI number for Lake Whatcom Residential & Treatment Center is 1043281736. It was assigned to this organization in the NPPES registry on January 30, 2006.

Where is Lake Whatcom Residential & Treatment Center located?

Lake Whatcom Residential & Treatment Center is located at 3600 Meridian St, Bellingham, WA 98225. The listed phone number is (360) 676-6000.

What is Lake Whatcom Residential & Treatment Center's specialty?

The primary specialty registered for this NPI is Community/Behavioral Health with taxonomy code 251S00000X.

Is Lake Whatcom Residential & Treatment Center enrolled in Medicare?

Yes. Lake Whatcom Residential & Treatment Center is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Lake Whatcom Residential & Treatment Center?

According to the CMS Revalidation Reassignment List (October 2026 release), 7 clinicians in 2 Medicare specialties reassign their Medicare billing to Lake Whatcom Residential & Treatment Center. A 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 the clinician's services. The largest specialties are Nurse Practitioner (6) and Psychiatry (1). Of these, 3 practice at this address and 5 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does Lake Whatcom Residential & Treatment Center hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 50D2059572) is associated with this NPI, valid through April 4, 2028. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for Lake Whatcom Residential & Treatment Center was last updated on January 7, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 22 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.