Jonathan Leonard
NPI 1396357695 · Marriage & Family Therapist · San Leandro, CA
Jonathan Leonard is a Marriage & Family Therapist provider in San Leandro, CA (NPI 1396357695).
Provider details
- NPI number
- 1396357695
- Entity type
- Individual
- Primary specialty
- Marriage & Family TherapistBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- No
- License
- AMFT121241 (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
5 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
Additional practice locations (1)
- 545 Estudillo AveSan Leandro, CA 94577-4611Phone: (510) 352-9200
Registry dates
- Enumerated
- 2020-08-18
- Last updated
- 2021-02-23
- Certified
- 2021-02-23
Frequently asked questions
- What is Jonathan Leonard's NPI number?
- Jonathan Leonard's National Provider Identifier (NPI) is 1396357695, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jonathan Leonard's specialty?
- Jonathan Leonard is listed in the NPPES registry with a primary specialty of Marriage & Family Therapist (Behavioral Health & Social Service Providers).
- Where is Jonathan Leonard located?
- Jonathan Leonard's practice location on file with NPPES is 400 Estudillo Ave Ste 100, San Leandro, CA 94577-4962.
- What is Jonathan Leonard's phone number?
- The practice phone number listed in the NPPES registry for Jonathan Leonard is (510) 352-9200.
- Is Jonathan Leonard's NPI active?
- Yes — Jonathan Leonard's NPI (1396357695) is active in the NPPES registry as of the last update on 2021-02-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.