Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

David Alan Johnston, LMFT

Individual provider Marriage & Family Therapist · NPI 1437299450

David Alan Johnston, LMFT is a Marriage and Family Therapist in Eureka, California. Qualified in 1996, 30 years ago. Practices as a sole proprietor and accepts Medicare assignment. Licensed in California.

Years since qualifying
30
Licensed in
CA
In the registry since
2007
What do these letters mean?
LMFT — Licensed Marriage and Family Therapist
A therapist licensed to treat couples and families.

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Practice location Address checks out

517 3rd St Ste 40
Eureka, CA 95501-0460
Phone: (707) 798-6488
Fax: (707) 441-1054
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Marriage & Family Therapist (primary) Taxonomy 106H00000X · Licence MFC 39235 (CA)

Record details

NPI number1437299450
Entity typeIndividual (Type 1)
GenderMale
Credentials LMFT
Sole proprietorYes
NPI enumeratedFebruary 7, 2007
Last updated in NPPESSeptember 10, 2018
Mailing address517 3rd St Ste 40, Eureka, CA 95501-0460

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyMARRIAGE AND FAMILY THERAPIST
Medical schoolOTHER
Graduated 1996 (30 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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