Heidi Johnston, MA
NPI 1386510923 · Marriage & Family Therapist · San Diego, CA
Heidi Johnston, MA is a Marriage & Family Therapist provider in San Diego, CA (NPI 1386510923).
Provider details
- NPI number
- 1386510923
- Entity type
- Individual
- Primary specialty
- Marriage & Family TherapistBehavioral Health & Social Service Providers
- Credential
- MA
- Sex
- Female
- Sole proprietor
- No
- License
- AMFT157609 (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
Under 1 yr in 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
- 2025-10-13
- Last updated
- 2025-10-13
- Certified
- 2025-10-12
Frequently asked questions
- What is Heidi Johnston's NPI number?
- Heidi Johnston's National Provider Identifier (NPI) is 1386510923, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Heidi Johnston's specialty?
- Heidi Johnston is listed in the NPPES registry with a primary specialty of Marriage & Family Therapist (Behavioral Health & Social Service Providers).
- Where is Heidi Johnston located?
- Heidi Johnston's practice location on file with NPPES is 3517 Camino Del Rio S Ste 302, San Diego, CA 92108-4029.
- What is Heidi Johnston's phone number?
- The practice phone number listed in the NPPES registry for Heidi Johnston is (619) 996-3195.
- Is Heidi Johnston's NPI active?
- Yes — Heidi Johnston's NPI (1386510923) is active in the NPPES registry as of the last update on 2025-10-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.