Thriveworks Clinical - Washington, PC
NPI 1063087856 · Mental Health Counselor · Seattle, WA
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Thriveworks Clinical - Washington, PC is a Mental Health Counselor organization in Seattle, WA (NPI 1063087856).
Provider details
- NPI number
- 1063087856
- Entity type
- Organization
- Primary specialty
- Mental Health CounselorBehavioral Health & Social Service Providers
- Organization subpart
- No
- Authorized official
- Nathan Miller, Owner(540) 217-6461
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
5 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
3 documented practice locations
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Other names (DBA / former)
- Doing business as
- Thriveworks
- Doing business as
- Thriveworks
Additional practice locations (2)
- 114 W Magnolia St Ste 303Bellingham, WA 98225-4354Phone: (855) 284-7483
- 4610 Ne 77th Ave Ste 139Vancouver, WA 98662-6789Phone: (855) 284-7483
Registry dates
- Enumerated
- 2021-05-24
- Last updated
- 2025-02-11
- Certified
- 2025-02-11
Frequently asked questions
- What is Thriveworks Clinical - Washington, PC's NPI number?
- Thriveworks Clinical - Washington, PC's National Provider Identifier (NPI) is 1063087856, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Thriveworks Clinical - Washington, PC?
- Thriveworks Clinical - Washington, PC is classified in the NPPES registry as Mental Health Counselor (Behavioral Health & Social Service Providers).
- Where is Thriveworks Clinical - Washington, PC located?
- Thriveworks Clinical - Washington, PC's practice location on file with NPPES is 10303 Meridian Ave N Ste 200, Seattle, WA 98133-9483.
- What is Thriveworks Clinical - Washington, PC's phone number?
- The practice phone number listed in the NPPES registry for Thriveworks Clinical - Washington, PC is (855) 284-7483.
- Does Thriveworks Clinical - Washington, PC accept Medicare?
- Thriveworks Clinical - Washington, PC is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Thriveworks Clinical - Washington, PC?
- The authorized official listed on Thriveworks Clinical - Washington, PC's NPPES record is Nathan Miller, Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Thriveworks Clinical - Washington, PC's NPI active?
- Yes — Thriveworks Clinical - Washington, PC's NPI (1063087856) is active in the NPPES registry as of the last update on 2025-02-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.