Justin Nathaniel Leonor, LMFT
NPI 1902742620 · Marriage & Family Therapist · San Diego, CA
Justin Nathaniel Leonor, LMFT is a Marriage & Family Therapist provider in San Diego, CA (NPI 1902742620).
Provider details
- NPI number
- 1902742620
- Entity type
- Individual
- Primary specialty
- Marriage & Family TherapistBehavioral Health & Social Service Providers
- Credential
- LMFT
- Sex
- Male
- Sole proprietor
- No
- License
- 163006 (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
- 2026-04-25
- Last updated
- 2026-04-25
- Certified
- 2026-04-25
Frequently asked questions
- What is Justin Nathaniel Leonor's NPI number?
- Justin Nathaniel Leonor's National Provider Identifier (NPI) is 1902742620, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Justin Nathaniel Leonor's specialty?
- Justin Nathaniel Leonor is listed in the NPPES registry with a primary specialty of Marriage & Family Therapist (Behavioral Health & Social Service Providers).
- Where is Justin Nathaniel Leonor located?
- Justin Nathaniel Leonor's practice location on file with NPPES is 3420 Kenyon St, San Diego, CA 92110-5001.
- What is Justin Nathaniel Leonor's phone number?
- The practice phone number listed in the NPPES registry for Justin Nathaniel Leonor is (833) 579-4848.
- Is Justin Nathaniel Leonor's NPI active?
- Yes — Justin Nathaniel Leonor's NPI (1902742620) is active in the NPPES registry as of the last update on 2026-04-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.