EASTSIDE BRANCH
NPI 1730250259
Clinic/Center - Methadone in Bellevue, WA

Active since November 13, 2006CLIA 50D2170243 · Waiver
1412 140TH PL NE, ROCKWOOD OFFICE PARK, BELLEVUE, WA 98007(425) 747-7892(425) 747-8348 Get Directions Write a Review

NPPES record last updated: October 4, 2023. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Oct 4, 2023, Mar 3, 2023, Aug 20, 2020 and 1 more (4 updates tracked since 2020).

About Eastside Branch NPPES

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

EASTSIDE BRANCH (NPI 1730250259) is a healthcare organization registered as a methadone in Bellevue, Washington and active in the NPI registry since November 2006. The organization holds a CLIA Waiver certificate valid through April 4, 2028 and lists Sean Potter, Billing Manager, as its authorized official.

NPPES Registry Identity

NPI1730250259
Entity TypeOrganization
Primary Taxonomy261QM2800X
Legal Business NameTHERAPEUTIC HEALTH SERVICES
Location Address1412 140TH PL NE, ROCKWOOD OFFICE PARKBellevue, WA 98007-3915
Mailing Address5802 Rainier Ave SSeattle, WA 98118-2706 · (206) 723-1980 · Fax (206) 721-3930
Fax(425) 747-8348
Organization SubpartNo
Authorized OfficialSean PotterBilling Manager · (206) 323-0930
Enumeration DateNovember 13, 2006
Last NPPES UpdateOctober 4, 20234 updates tracked since enumeration
NPPES CertifiedOctober 4, 2023
✔ NPI 1730250259 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyClinic/Center · MethadoneAmbulatory Health Care Facilities
Taxonomy Code261QM2800X
Definition
An entity, facility, or distinct part of a facility providing diagnostic, and replacement maintenance treatment services related to individuals with drug addiction.
1412 140TH PL NE, Bellevue, WA 98007

Other Names 1

Doing Business AsEastside Branch

Other Identifiers 1

Medicaid1993658WA

Accepted Insurance

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Eastside Branch is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

26

Medicare enrollment records show 26 clinicians reassign Medicare billing to Eastside Branch, which bills Medicare for the services they deliver. Of these, 2 practice at this address and 14 within 10 miles. Listed here are the 20 practicing nearest to this location.

Clinicians by Medicare Specialty 5

Mental Health Counselor8
Clinical Social Worker7
Nurse Practitioner6
Clinical Psychologist3
General Practice2

Nearest to this location (20)

See all 26
Clinical Social Worker
NPI 1316562697
1412 140TH PL NE
Bellevue, WA 98007
(425) 747-7892
✔ PECOSSame address
Clinical Social Worker
NPI 1689131476
1412 140TH PL NE
Bellevue, WA 98007
(425) 747-7892
✔ PECOSSame address
Mental Health Counselor
NPI 1083349559
2002 156TH AVE NE UNIT 100
Bellevue, WA 98007
(800) 682-6934
✔ PECOS✔ Accepts Medicare1.0 mi
Mental Health Counselor
NPI 1063997633
8299 161ST AVE NE
Redmond, WA 98052
(425) 412-4229
✔ PECOS3.8 mi
Mental Health Counselor
NPI 1215570593
1818 E MERCER ST STE 101
Seattle, WA 98112
(206) 658-5340
✔ PECOS✔ Accepts Medicare7.3 mi
Nurse Practitioner
NPI 1184392664
1959 NE PACIFIC ST
Seattle, WA 98195
(206) 520-5000
✔ PECOS7.5 mi
Nurse Practitioner
NPI 1891564860
1959 NE PACIFIC ST
Seattle, WA 98195
(206) 598-0700
✔ PECOS✔ Accepts Medicare7.5 mi
Clinical Social Worker
NPI 1033387147
5802 RAINIER AVE S
Seattle, WA 98118
(206) 723-1980
✔ PECOS7.8 mi
Mental Health Counselor
NPI 1548754195
5802 RAINIER AVE S
Seattle, WA 98118
(206) 723-1980
✔ PECOS7.8 mi
Clinical Social Worker
NPI 1801306303
5802 RAINIER AVE S
Seattle, WA 98118
(206) 723-1980
✔ PECOS✔ Accepts Medicare7.8 mi
Clinical Psychologist
NPI 1073968616
5802 RAINIER AVE S
Seattle, WA 98118
(206) 723-1980
✔ PECOS✔ Accepts Medicare7.8 mi
Clinical Psychologist
NPI 1053897017
1116 SUMMIT AVE
Seattle, WA 98101
(425) 558-0558
✔ PECOS✔ Accepts Medicare8.1 mi
Mental Health Counselor
NPI 1790256899
515 3RD AVE
Seattle, WA 98104
(206) 464-1570
✔ PECOS✔ Accepts Medicare8.5 mi
Clinical Social Worker
NPI 1538478490
119 1ST AVE S
Seattle, WA 98104
(603) 254-4963
✔ PECOS8.7 mi
Nurse Practitioner
NPI 1144078627
1550 N 115TH ST
Seattle, WA 98133
(206) 520-5000
✔ PECOS11 mi
Mental Health Counselor
NPI 1376819342
16715 AURORA AVE N
Shoreline, WA 98133
(206) 546-9766
✔ PECOS13 mi
Mental Health Counselor
NPI 1093354334
24823 PACIFIC HWY S STE 103
Kent, WA 98032
(253) 681-0010
✔ PECOS✔ Accepts Medicare18 mi
Nurse Practitioner
NPI 1871052266
9930 EVERGREEN WAY STE Z154
Everett, WA 98204
(425) 263-3006
✔ PECOS✔ Accepts Medicare20 mi
Clinical Social Worker
NPI 1992341697
9930 EVERGREEN WAY STE Z154
Everett, WA 98204
(425) 263-3006
✔ PECOS20 mi
Clinical Psychologist
NPI 1679839575
9930 EVERGREEN WAY STE Z150
Everett, WA 98204
(425) 347-5121
✔ PECOS✔ Accepts Medicare20 mi
See all 26 clinicians

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 50D2170243

Therapeutic Health Services - Eastside Branch · Bellevue, WA
Active · expires Apr 4, 2028
CLIA Number50D2170243
Laboratory TypeDrug Treatment
Certificate Effective DateAugust 6, 2019
Certificate Expiration DateApril 4, 2028
Laboratory DirectorSusan Taylor
Laboratory Phone(425) 747-7892
Laboratory LocationTherapeutic Health Services - Eastside Branch1412 140th Pl NE, Bellevue, WA 98007
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 Therapeutic Health Services's NPI number?

The NPI number for Therapeutic Health Services is 1730250259. It was assigned to this organization in the NPPES registry on November 13, 2006. The provider is doing business as Eastside Branch.

Where is Therapeutic Health Services located?

Therapeutic Health Services is located at 1412 140th Pl NE Rockwood Office Park, Bellevue, WA 98007. The listed phone number is (425) 747-7892.

What is Therapeutic Health Services's specialty?

The primary specialty registered for this NPI is Clinic/Center, specializing in Methadone, with taxonomy code 261QM2800X.

Is Therapeutic Health Services enrolled in Medicare?

Yes. Therapeutic Health Services is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Therapeutic Health Services?

According to the CMS Revalidation Reassignment List (October 2026 release), 26 clinicians in 5 Medicare specialties reassign their Medicare billing to Therapeutic Health Services. 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 Mental Health Counselor (8), Clinical Social Worker (7) and Nurse Practitioner (6). Of these, 2 practice at this address and 14 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does Therapeutic Health Services hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 50D2170243) is associated with this NPI, valid through April 4, 2028. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

What insurance does Therapeutic Health Services accept?

Health plans from Ambetter Health, Premera Blue Cross Blue Shield of Alaska and Providence Health Plan list Therapeutic Health Services 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 Therapeutic Health Services was last updated on October 4, 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.