IndividualActive
Katherine Larsen, MA
NPI 1538561774 · Mental Health Counselor · Bellevue, WA
Katherine Larsen, MA is a Mental Health Counselor provider in Bellevue, WA (NPI 1538561774).
Provider details
- NPI number
- 1538561774
- Entity type
- Individual
- Primary specialty
- Mental Health CounselorBehavioral Health & Social Service Providers
- Credential
- MA
- Sex
- Female
- Sole proprietor
- No
- License
- MC60619295 (WA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(75/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
11 yrs in NPPES registry
- Profile completeness38% of score
100% 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.
Practice location
14216 Ne 21st St
Sound Mental Health
Bellevue, WA 98007-3720
Phone: (425) 653-4900
Fax: (425) 653-4910
Street-level locationGet directions
Mailing address
1600 E Olive St
Seattle, WA 98122-2735
Registry dates
- Enumerated
- 2014-09-18
- Last updated
- 2016-05-16
Frequently asked questions
- What is Katherine Larsen's NPI number?
- Katherine Larsen's National Provider Identifier (NPI) is 1538561774, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Katherine Larsen's specialty?
- Katherine Larsen is listed in the NPPES registry with a primary specialty of Mental Health Counselor (Behavioral Health & Social Service Providers).
- Where is Katherine Larsen located?
- Katherine Larsen's practice location on file with NPPES is 14216 Ne 21st St, Bellevue, WA 98007-3720.
- What is Katherine Larsen's phone number?
- The practice phone number listed in the NPPES registry for Katherine Larsen is (425) 653-4900.
- Is Katherine Larsen's NPI active?
- Yes — Katherine Larsen's NPI (1538561774) is active in the NPPES registry as of the last update on 2016-05-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.