Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Dr. Alissa Mariana Irwin, PSYD

Individual provider Clinical Psychologist · NPI 1891429627

Dr. Alissa Mariana Irwin, PSYD is a Clinical Psychologist in Chicago, Illinois. Licensed in Illinois. Registered with an NPI since 2022.

Licensed in
IL
In the registry since
2022
Specialties on file
2
What do these letters mean?
PSYD — Doctor of Psychology
A doctoral psychologist trained primarily for clinical practice.

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Practice location Address checks out

820 S Damen Ave
Chicago, IL 60612-3728
Phone: (312) 596-8387
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Neuropsychologist (primary) Taxonomy 103G00000X · Licence 071010722 (IL)
Clinical Psychologist Taxonomy 103TC0700X · Licence 071010722 (IL)

Record details

NPI number1891429627
Entity typeIndividual (Type 1)
GenderFemale
Credentials PSYD
Sole proprietorNo
NPI enumeratedJuly 16, 2022
Last updated in NPPESOctober 10, 2022
Certification dateOctober 10, 2022

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