Alexia Diaz De Leon, LCSW
Clinical Social Worker · Elgin, IL
Alexia Diaz De Leon, LCSW is a clinical social worker with a practice address in Elgin, Illinois, and NPI 1063061521, issued on Sep 8, 2019. Check the license (Illinois 149.028586, as entered in NPPES) with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Alexia Diaz De Leon
- Credential
- LCSW
- Primary taxonomy
- Clinical Social Worker 1041C0700X
- License numbers
- 149.028586 IL
150.106545 IL
Self-reported in NPPES; status is on the state search - Practice location
- 1845 Grandstand PL, Elgin, IL 60123
- Phone
- (847) 695-5496
- Enumerated
- Sep 8, 2019
- Record last updated
- Mar 4, 2025
- Medicare enrollment
- Enrolled (PECOS I20250331002061); accepts Medicare assignment
- Entity
- Type 1 · individual
Also registered at 1845 Grandstand PL
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Leslie AcostaMental Health Counselor1568187706
- Michael AgapitoMental Health Counselor1609227677
- Phyllis Ahlgrim, LCSWMental Health Counselor1588701890
- Franco AlarconCase Manager/Care Coordinator1427438035
- Barbara Allen, MAAddiction (Substance Use Disorder) Counselor1922796812
- Mercedes Alverio, BAMental Health Counselor1275804049
Verify Alexia Diaz De Leon in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this profession
Search for license 149.028586Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Ecker Center For Behavioral HealthElgin, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
108 clinical social worker records list a practice address in Elgin
They are 108 of the 2,268 NPPES records with a practice address in Elgin, and 13,637 clinical social worker records in Illinois.
All 108 in Elgin → All 13,637 in Illinois → Every provider in Elgin →
Other clinical social worker records in Illinois
- Leah A' Hearn, LCSWSavoy, IL1124790829
- Bruce AaronChicago, IL1013069087
- Melissa Aaron, LCSWWest Frankfort, IL1437505526
- Marcus Abate, MSWAurora, IL1679904767
- Nadia Abbas, LCSWChicago, IL1578176400
- Trisha Abbey, LCSWPalatine, IL1477970176
- Mary Abbott, LCSWElgin, IL1073787685
- Susan Abbott, LCSWOak Park, IL1235456930
- Ghada AbdallaChampaign, IL1235015553
- Samella Abdullah, PH.D.Chicago, IL1356404263
Common questions
What is Alexia Diaz De Leon, LCSW's NPI number?
Alexia Diaz De Leon, LCSW's National Provider Identifier (NPI) is 1063061521, issued on Sep 8, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Alexia Diaz De Leon, LCSW located?
The NPPES record lists a practice address at 1845 Grandstand PL, Elgin, IL, 60123. Phone: (847) 695-5496. Providers update this record themselves, so call before visiting.
How can I verify Alexia Diaz De Leon, LCSW's license?
NPPES lists Illinois license number 149.028586, as entered by the provider. Search the Illinois 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. Medicare files from data.cms.gov. 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.