What is Sierra Wollen's NPI number?

Sierra Wollen's National Provider Identifier (NPI) is 1003339839, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Sierra Wollen's specialty?

Sierra Wollen is listed in the NPPES registry with a primary specialty of Mental Health Counselor (Behavioral Health & Social Service Providers).

Where is Sierra Wollen located?

Sierra Wollen's practice location on file with NPPES is 6400 Southcenter Blvd, Tukwila, WA 98188-2547.

What is Sierra Wollen's phone number?

The practice phone number listed in the NPPES registry for Sierra Wollen is (206) 444-3600.

Is Sierra Wollen's NPI active?

Yes — Sierra Wollen's NPI (1003339839) is active in the NPPES registry as of the last update on 2017-07-24.

IndividualActive

Sierra Wollen

NPI 1003339839 · Mental Health Counselor · Tukwila, WA

Sierra Wollen is a Mental Health Counselor provider in Tukwila, WA (NPI 1003339839).

Provider details

NPI number: 1003339839
Entity type: Individual
Primary specialty: Mental Health CounselorBehavioral Health & Social Service Providers
Sex: Female
Sole proprietor: No

Practice location

6400 Southcenter Blvd

Tukwila, WA 98188-2547

Phone: (206) 444-3600

Fax: (206) 444-3610

Street-level locationGet directions

More WA providers

Mailing address

1600 E Olive St

Seattle, WA 98122-2735

Specialties & taxonomies

Mental Health CounselorPrimary101YM0800X
Behavioral Health & Social Service Providers

Profile Score

Established profile(64/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
9 yrs in NPPES registry
Profile completeness38% of score
83% of core fields populated
Practice footprint23% of score
1 documented practice location

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.

Enumerated: 2017-07-24
Last updated: 2017-07-24

Frequently asked questions

What is Sierra Wollen's NPI number?: Sierra Wollen's National Provider Identifier (NPI) is 1003339839, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Sierra Wollen's specialty?: Sierra Wollen is listed in the NPPES registry with a primary specialty of Mental Health Counselor (Behavioral Health & Social Service Providers).
Where is Sierra Wollen located?: Sierra Wollen's practice location on file with NPPES is 6400 Southcenter Blvd, Tukwila, WA 98188-2547.
What is Sierra Wollen's phone number?: The practice phone number listed in the NPPES registry for Sierra Wollen is (206) 444-3600.
Is Sierra Wollen's NPI active?: Yes — Sierra Wollen's NPI (1003339839) is active in the NPPES registry as of the last update on 2017-07-24.

Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.

Provider details

Practice location

Mailing address

Specialties & taxonomies

Profile Score

Registry dates

Frequently asked questions

Specialties & taxonomies

Profile Score

Frequently asked questions