Matthew Simpson, LMHC
NPI 1609425420 · Mental Health Counselor · Bellevue, WA
Matthew Simpson, LMHC is a Mental Health Counselor provider in Bellevue, WA (NPI 1609425420).
Provider details
- NPI number
- 1609425420
- Entity type
- Individual
- Primary specialty
- Mental Health CounselorBehavioral Health & Social Service Providers
- Credential
- LMHC
- Sex
- Male
- Sole proprietor
- Yes
Specialties & taxonomies
Behavioral Health & Social Service Providers
- Behavior Technician106S00000X
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
6 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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2019-09-04
- Last updated
- 2025-08-04
- Certified
- 2025-08-04
Frequently asked questions
- What is Matthew Simpson's NPI number?
- Matthew Simpson's National Provider Identifier (NPI) is 1609425420, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Matthew Simpson's specialty?
- Matthew Simpson is listed in the NPPES registry with a primary specialty of Mental Health Counselor (Behavioral Health & Social Service Providers).
- Where is Matthew Simpson located?
- Matthew Simpson's practice location on file with NPPES is 1400 112th Ave Se Ste 100, Bellevue, WA 98004-6901.
- What is Matthew Simpson's phone number?
- The practice phone number listed in the NPPES registry for Matthew Simpson is (208) 620-9791.
- Is Matthew Simpson's NPI active?
- Yes — Matthew Simpson's NPI (1609425420) is active in the NPPES registry as of the last update on 2025-08-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.