Julia Johnstone, AMFT
NPI 1790490423 · Marriage & Family Therapist · Los Angeles, CA
Julia Johnstone, AMFT is a Marriage & Family Therapist provider in Los Angeles, CA (NPI 1790490423).
Provider details
- NPI number
- 1790490423
- Entity type
- Individual
- Primary specialty
- Marriage & Family TherapistBehavioral Health & Social Service Providers
- Credential
- AMFT
- Sex
- Female
- Sole proprietor
- Yes
- License
- 117696 (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
3 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
- 2023-01-17
- Last updated
- 2023-01-17
- Certified
- 2022-10-06
Frequently asked questions
- What is Julia Johnstone's NPI number?
- Julia Johnstone's National Provider Identifier (NPI) is 1790490423, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Julia Johnstone's specialty?
- Julia Johnstone is listed in the NPPES registry with a primary specialty of Marriage & Family Therapist (Behavioral Health & Social Service Providers).
- Where is Julia Johnstone located?
- Julia Johnstone's practice location on file with NPPES is 3215 Overland Ave Apt 9172, Los Angeles, CA 90034-4561.
- What is Julia Johnstone's phone number?
- The practice phone number listed in the NPPES registry for Julia Johnstone is (860) 301-3544.
- Is Julia Johnstone's NPI active?
- Yes — Julia Johnstone's NPI (1790490423) is active in the NPPES registry as of the last update on 2023-01-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.