Leonard Manzella, LCSW
NPI 1457479974 · Clinical Social Worker · San Luis Obispo, CA
Leonard Manzella, LCSW is a Clinical Social Worker provider in San Luis Obispo, CA (NPI 1457479974).
Provider details
- NPI number
- 1457479974
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Male
- Sole proprietor
- Yes
- License
- LCS15898 (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
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
Mailing address
Registry dates
- Enumerated
- 2007-03-26
- Last updated
- 2012-12-06
Frequently asked questions
- What is Leonard Manzella's NPI number?
- Leonard Manzella's National Provider Identifier (NPI) is 1457479974, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Leonard Manzella's specialty?
- Leonard Manzella is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Leonard Manzella located?
- Leonard Manzella's practice location on file with NPPES is 11573 Los Osos Valley Rd Ste D, San Luis Obispo, CA 93405-6461.
- What is Leonard Manzella's phone number?
- The practice phone number listed in the NPPES registry for Leonard Manzella is (805) 541-1434.
- Is Leonard Manzella's NPI active?
- Yes — Leonard Manzella's NPI (1457479974) is active in the NPPES registry as of the last update on 2012-12-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.