David Johnston, LMFT
NPI 1437299450 · Marriage & Family Therapist · Eureka, CA
Enrolled with Medicare as Practitioner - Marriage and Family Therapist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
David Johnston, LMFT is a Marriage & Family Therapist provider in Eureka, CA (NPI 1437299450).
Provider details
- NPI number
- 1437299450
- Entity type
- Individual
- Primary specialty
- Marriage & Family TherapistBehavioral Health & Social Service Providers
- Credential
- LMFT
- Sex
- Male
- Sole proprietor
- Yes
- License
- MFC 39235 (CA)
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
19 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
- 2007-02-07
- Last updated
- 2018-09-10
Frequently asked questions
- What is David Johnston's NPI number?
- David Johnston's National Provider Identifier (NPI) is 1437299450, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is David Johnston's specialty?
- David Johnston is listed in the NPPES registry with a primary specialty of Marriage & Family Therapist (Behavioral Health & Social Service Providers).
- Where is David Johnston located?
- David Johnston's practice location on file with NPPES is 517 3rd St Ste 40, Eureka, CA 95501-0460.
- What is David Johnston's phone number?
- The practice phone number listed in the NPPES registry for David Johnston is (707) 798-6488.
- Does David Johnston accept Medicare?
- David Johnston is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is David Johnston's NPI active?
- Yes — David Johnston's NPI (1437299450) is active in the NPPES registry as of the last update on 2018-09-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.