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

Dr Margot Gay Mahan & Assoc PC

Organization Clinical Psychologist · NPI 1083929327

Dr Margot Gay Mahan & Assoc PC is a Clinical Psychologist in Naperville, Illinois. Licensed in Illinois. Registered with an NPI since 2010.

Licensed in
IL
In the registry since
2010
What do these letters mean?
PC — Professional corporation
A form of business registration, not a clinical qualification.

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Practice location Address checks out

1555 Naperville Wheaton Rd Ste 115
Naperville, IL 60563-1557
Phone: (312) 719-1360
Fax: (773) 751-2250
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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 071006277 (IL)

Record details

NPI number1083929327
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Margot Mahan — President · (312) 719-1360
NPI enumeratedAugust 11, 2010
Last updated in NPPESAugust 11, 2010
Mailing address1555 Naperville Wheaton Rd, Suite 115, Naperville, IL 60563-1557

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