Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Erin R Alexander-Holton, PSYD
Psychologist in Chicago, IL · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1427091867
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Registry record
Entity type Individual (Type 1)
Name Dr. Erin R Alexander-Holton
Credential PSYD
Sex Female
Practice address 661 W Lake St Ste 2s, Chicago, IL, 60661
Phone (312) 523-3584
Enumeration date Jun 14, 2006
Last updated in NPPES May 6, 2025
Taxonomy & licenses
PSYD · Doctor of Psychology: A clinical doctorate in psychology focused on professional practice.
About the PSYD credential
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 Erin Alexander-Holton practice?
The practice location on file with NPPES is in Chicago, IL. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Erin Alexander-Holton?
The National Provider Identifier (NPI) for Erin Alexander-Holton is 1427091867, 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 2025-05-06.