THRIVEWORKS CLINICAL - WASHINGTON, PC
NPI 1063087856
Counselor - Mental Health in Seattle, WA
About Thriveworks Clinical - Washington, Pc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
THRIVEWORKS CLINICAL - WASHINGTON, PC (NPI 1063087856), doing business as Thriveworks, is a healthcare organization registered as a mental health in Seattle, Washington and active in the NPI registry since May 2021. The organization maintains 2 additional practice locations and lists Nathan B Miller, Owner, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Secondary Practice Locations 2
Group Practice 1
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)
Thriveworks Clinical - Washington, Pc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
35Medicare enrollment records show 35 clinicians reassign Medicare billing to Thriveworks Clinical - Washington, PC, which bills Medicare for the services they deliver. Of these, 4 practice within 10 miles. Listed here are the 20 practicing nearest to this location.
Clinicians by Medicare Specialty 4
Nearest to this location (20)
See all 35Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
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 Thriveworks Clinical - Washington, PC's NPI number?
The NPI number for Thriveworks Clinical - Washington, PC is 1063087856. It was assigned to this organization in the NPPES registry on May 24, 2021. The provider is doing business as Thriveworks.
Where is Thriveworks Clinical - Washington, PC located?
Thriveworks Clinical - Washington, PC is located at 10303 Meridian Ave N Ste 200, Seattle, WA 98133. The listed phone number is (855) 284-7483.
What is Thriveworks Clinical - Washington, PC's specialty?
The primary specialty registered for this NPI is Counselor, specializing in Mental Health, with taxonomy code 101YM0800X.
Is Thriveworks Clinical - Washington, PC enrolled in Medicare?
Yes. Thriveworks Clinical - Washington, PC is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Thriveworks Clinical - Washington, PC?
According to the CMS Revalidation Reassignment List (October 2026 release), 35 clinicians in 4 Medicare specialties reassign their Medicare billing to Thriveworks Clinical - Washington, PC. 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 (16), Clinical Social Worker (11) and Nurse Practitioner (6). Of these, 4 practice within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
What insurance does Thriveworks Clinical - Washington, PC accept?
Health plans from Premera Blue Cross Blue Shield of Alaska list Thriveworks Clinical - Washington, PC 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 Thriveworks Clinical - Washington, PC was last updated on February 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 20 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.
# Thriveworks Clinical - Washington, Pc · NPI 1063087856
Mental Health organization in Seattle, Washington. Organization record, active in the CMS NPPES registry since May 24, 2021.
## Identity
- **NPI:** 1063087856 (Entity type: Organization)
- **Enumerated:** May 24, 2021
- **Primary specialty:** Counselor - Mental Health · taxonomy 101YM0800X
- **Also known as:** Thriveworks (Doing Business As)
- **Organization subpart:** No
- **Authorized official:** Nathan Miller, OWNER
## Practice location
- **Address:** 10303 MERIDIAN AVE N STE 200, Seattle, WA 98133-9483
- **Phone:** (855) 284-7483
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 35 clinicians in 4 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Mental Health Counselor (16), Clinical Social Worker (11), Nurse Practitioner (6); 4 practice within 10 miles; [full list](https://npiprofile.com/npi/1063087856/clinicians) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** February 11, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1063087856) · Data from the CMS NPPES public registry.