Ann Leonard, MSW, LCSW
Clinical Social Worker · Los Alamitos, CA
Ann Leonard, MSW, LCSW is a clinical social worker with a practice address in Los Alamitos, California, and NPI 1144450586, issued on Jul 20, 2009. Check the license with the California board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Ann Leonard
- Credential
- MSW, LCSW
- Primary taxonomy
- Clinical Social Worker 1041C0700X
- License number
- 4210 OR
Self-reported in NPPES; status is on the state search - Practice location
- 3342 Cerritos Ave Apt 234, Los Alamitos, CA 90720
- Phone
- (503) 333-9364
- Enumerated
- Jul 20, 2009
- Record last updated
- Jan 12, 2025
- Entity
- Type 1 · individual
8 nearest clinical social worker records → All 36,261 in California → Look up another NPI →
Verify Ann Leonard in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Ann Leonard among 36,261 clinical social worker records in California
Ann Leonard, MSW, LCSW is one of 36,261 clinical social worker records with a practice address in California. 6% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2009, is newer than 28% of them.
- NPI issued2009 · 28% of these records are older, 69% newer
- In a Medicare fileNo · 6% of these records are
- In the CMS Doctors and Clinicians fileNo · 11% of these records are
- Record last updated2025 · 45% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1041C0700X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
25 clinical social worker records list a practice address in Los Alamitos
They are 25 of the 1,035 NPPES records with a practice address in Los Alamitos, and 36,261 clinical social worker records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 36,261 in California → Every provider in Los Alamitos → Clinical Social Worker nationwide →
The 8 clinical social worker records with the nearest ZIP codes
- Aseye Atkinson Allah, LCSWLos Alamitos, CA 907201619112059
- Wendy Block, L.C.S,W.Los Alamitos, CA 907201033312822
- Susan Grinberg-Smith, LCSWLos Alamitos, CA 907201801825146
- Fides Isidro, LCSWLos Alamitos, CA 907201427276013
- Fawn Kimura, LCSWRossmoor, CA 907201760594949
- Marsalee Malatesta, LCSWLos Alamitos, CA 907201417029497
- Young Nguyen, MSW, LCSWLos Alamitos, CA 907201386867950
- Chung Nguyen, LCSWLos Alamitos, CA 907201316263932
Common questions
What is Ann Leonard, MSW, LCSW's NPI number?
Ann Leonard, MSW, LCSW's National Provider Identifier (NPI) is 1144450586, issued on Jul 20, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Ann Leonard, MSW, LCSW located?
The NPPES record lists a practice address at 3342 Cerritos Ave Apt 234, Los Alamitos, CA, 90720. Phone: (503) 333-9364. Providers update this record themselves, so call before visiting.
How can I verify Ann Leonard, MSW, LCSW's license?
Search the California board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.