Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Otto Alejandro Corzo, LSW
Social Worker in Crystal Lake, IL · enumerated 2024.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1205664687
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Registry record
Entity type Individual (Type 1)
Name Otto Alejandro Corzo
Credential LSW
Sex Male
Practice address 365 Millennium Dr Ste A, Crystal Lake, IL, 60012
Phone (815) 477-4720
Enumeration date Jul 25, 2024
Last updated in NPPES Jul 25, 2024
Taxonomy & licenses
What is an NPI number?
A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.
Frequently asked questions
Where does Otto Corzo practice?
The practice location on file with NPPES is in Crystal Lake, IL. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Otto Corzo?
The National Provider Identifier (NPI) for Otto Corzo is 1205664687, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2024-07-25.