Grant Thornley, M.A., L.M.F.T.A.
NPI 1457772865 · Marriage & Family Therapist · Bellevue, WA
Grant Thornley, M.A., L.M.F.T.A. is a Marriage & Family Therapist provider in Bellevue, WA (NPI 1457772865).
Provider details
- NPI number
- 1457772865
- Entity type
- Individual
- Primary specialty
- Marriage & Family TherapistBehavioral Health & Social Service Providers
- Credential
- M.A., L.M.F.T.A.
- Sex
- Male
- Sole proprietor
- No
- License
- MG60560770 (WA)
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
12 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
Mailing address
Registry dates
- Enumerated
- 2014-01-02
- Last updated
- 2017-02-07
Frequently asked questions
- What is Grant Thornley's NPI number?
- Grant Thornley's National Provider Identifier (NPI) is 1457772865, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Grant Thornley's specialty?
- Grant Thornley is listed in the NPPES registry with a primary specialty of Marriage & Family Therapist (Behavioral Health & Social Service Providers).
- Where is Grant Thornley located?
- Grant Thornley's practice location on file with NPPES is 14216 Ne 21st St, Bellevue, WA 98007-3720.
- What is Grant Thornley's phone number?
- The practice phone number listed in the NPPES registry for Grant Thornley is (425) 653-4900.
- Is Grant Thornley's NPI active?
- Yes — Grant Thornley's NPI (1457772865) is active in the NPPES registry as of the last update on 2017-02-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.