Mary De Leon, MSW
Social Worker · Orange, CA
Mary De Leon, MSW is a social worker with a practice address in Orange, California, and NPI 1871269993, issued on Aug 18, 2021. 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
- Mary De Leon
- Credential
- MSW
- Primary taxonomy
- Social Worker 104100000X
- Practice location
- 4000 W Metropolitan Dr Ste 120, Orange, CA 92868
- Phone
- (714) 869-8982
- Enumerated
- Aug 18, 2021
- Record last updated
- Mar 7, 2022
- Entity
- Type 1 · individual
8 nearest social worker records → All 10,332 in California → Look up another NPI →
Also registered at 4000 W Metropolitan Dr Ste 120
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Verify Mary De Leon 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
Mary De Leon among 10,332 social worker records in California
Mary De Leon, MSW is one of 10,332 social worker records with a practice address in California. 2% 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 2021, is newer than 62% of them.
- NPI issued2021 · 62% of these records are older, 32% newer
- In a Medicare fileNo · 2% of these records are
- In the CMS Doctors and Clinicians fileNo · 3% of these records are
- Record last updated2022 · 41% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 104100000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
107 social worker records list a practice address in Orange
They are 107 of the 13,245 NPPES records with a practice address in Orange, and 10,332 social worker records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 10,332 in California → Every provider in Orange → Social Worker nationwide →
The 8 social worker records with the nearest ZIP codes
- Golnaz Agahi, LCSWOrange, CA 928681386940203
- Celia CardenasOrange, CA 928681225222078
- Terry DelgadoOrange, CA 928681972797728
- Maria Herrera, MPHOrange, CA 928681609049303
- Trisha JacksonOrange, CA 928681003118878
- Debby KwokOrange, CA 928681760799647
- Briana Malone, ACSWOrange, CA 928681275724973
- Katie Monarch, LCSWOrange, CA 928681275767618
Common questions
What is Mary De Leon, MSW's NPI number?
Mary De Leon, MSW's National Provider Identifier (NPI) is 1871269993, issued on Aug 18, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Mary De Leon, MSW located?
The NPPES record lists a practice address at 4000 W Metropolitan Dr Ste 120, Orange, CA, 92868. Phone: (714) 869-8982. Providers update this record themselves, so call before visiting.
How can I verify Mary De Leon, MSW'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.