Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.

Brennan Johnston Psychotherapy PLLC

Organization Mental Health Counselor · NPI 1508777160

Brennan Johnston Psychotherapy PLLC provides Mental Health Counselor services in Clarendon Hills, Illinois. Registered with an NPI since 2026.

In the registry since
2026
What do these letters mean?
PLLC — Professional limited liability company
A form of business registration, not a clinical qualification.

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Practice location Address checks out

219 55th St Ste 108
Clarendon Hills, IL 60514-1597
Phone: (847) 204-2037
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Mental Health Counselor (primary) Taxonomy 101YM0800X

Record details

NPI number1508777160
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Brennan Johnston — Manager · (847) 204-2037
NPI enumeratedSeptember 14, 2026
Last updated in NPPESSeptember 14, 2026
Certification dateSeptember 14, 2026
Mailing address276 E Deerpath Ste 428, Lake Forest, IL 60045-1940

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