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

Individual provider Clinical Psychologist · NPI 1609333962

Dr. Nathaniel Sahyouni, PSYD is a Clinical Psychologist in Chicago, Illinois. Licensed in Illinois. Registered with an NPI since 2019.

Licensed in
IL
In the registry since
2019
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

111 N Wabash Ave Ste 1400
Chicago, IL 60602-3074
Phone: (312) 436-1657
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Psychologist (primary) Taxonomy 103TC0700X · Licence 071.009970 (IL)

Record details

NPI number1609333962
Entity typeIndividual (Type 1)
GenderMale
Credentials PSYD
Sole proprietorNo
NPI enumeratedFebruary 22, 2019
Last updated in NPPESFebruary 22, 2019

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