Diane Letchworth, LMFT
NPI 1255644704 · Marriage & Family Therapist · Lopez Island, WA
Diane Letchworth, LMFT is a Marriage & Family Therapist provider in Lopez Island, WA (NPI 1255644704).
Provider details
- NPI number
- 1255644704
- Entity type
- Individual
- Primary specialty
- Marriage & Family TherapistBehavioral Health & Social Service Providers
- Credential
- LMFT
- Sex
- Female
- Sole proprietor
- Yes
- License
- LF00001536 (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
15 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
- 2010-07-26
- Last updated
- 2010-07-26
Frequently asked questions
- What is Diane Letchworth's NPI number?
- Diane Letchworth's National Provider Identifier (NPI) is 1255644704, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Diane Letchworth's specialty?
- Diane Letchworth is listed in the NPPES registry with a primary specialty of Marriage & Family Therapist (Behavioral Health & Social Service Providers).
- Where is Diane Letchworth located?
- Diane Letchworth's practice location on file with NPPES is 472 Frances Lane, Lopez Island, WA 98261-0463.
- What is Diane Letchworth's phone number?
- The practice phone number listed in the NPPES registry for Diane Letchworth is (360) 468-4094.
- Is Diane Letchworth's NPI active?
- Yes — Diane Letchworth's NPI (1255644704) is active in the NPPES registry as of the last update on 2010-07-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.