IndividualActive
Leonard Ambruso, LCSW
NPI 1750816385 · Clinical Social Worker · Downey, CA
Leonard Ambruso, LCSW is a Clinical Social Worker provider in Downey, CA (NPI 1750816385).
Provider details
- NPI number
- 1750816385
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Male
- Sole proprietor
- Yes
- License
- LCS15910 (CA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Established profile(70/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
9 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
12200 Bellflower Blvd
Downey, CA 90242-2804
Phone: (562) 622-4159
Street-level locationGet directions
Mailing address
12200 Bellflower Blvd
Downey, CA 90242-2804
Registry dates
- Enumerated
- 2017-04-20
- Last updated
- 2017-04-20
Frequently asked questions
- What is Leonard Ambruso's NPI number?
- Leonard Ambruso's National Provider Identifier (NPI) is 1750816385, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Leonard Ambruso's specialty?
- Leonard Ambruso is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Leonard Ambruso located?
- Leonard Ambruso's practice location on file with NPPES is 12200 Bellflower Blvd, Downey, CA 90242-2804.
- What is Leonard Ambruso's phone number?
- The practice phone number listed in the NPPES registry for Leonard Ambruso is (562) 622-4159.
- Is Leonard Ambruso's NPI active?
- Yes — Leonard Ambruso's NPI (1750816385) is active in the NPPES registry as of the last update on 2017-04-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.