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Leonard Simon, PHD
NPI 1013090778 · Clinical Psychologist · San Diego, CA
Leonard Simon, PHD is a Clinical Psychologist provider in San Diego, CA (NPI 1013090778).
Provider details
- NPI number
- 1013090778
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PHD
- Sex
- Male
- Sole proprietor
- No
- License
- PSY17791 (CA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(90/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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
4715 Viewridge Ave
Suite 230
San Diego, CA 92123-1658
Phone: (800) 257-8715
Fax: (800) 819-1655
Street-level locationGet directions
Mailing address
157 North Lucerne Blvd
Los Angeles, CA 90004-3720
Registry dates
- Enumerated
- 2006-10-23
- Last updated
- 2007-07-08
Frequently asked questions
- What is Leonard Simon's NPI number?
- Leonard Simon's National Provider Identifier (NPI) is 1013090778, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Leonard Simon's specialty?
- Leonard Simon is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Leonard Simon located?
- Leonard Simon's practice location on file with NPPES is 4715 Viewridge Ave, San Diego, CA 92123-1658.
- What is Leonard Simon's phone number?
- The practice phone number listed in the NPPES registry for Leonard Simon is (800) 257-8715.
- Is Leonard Simon's NPI active?
- Yes — Leonard Simon's NPI (1013090778) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.