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

Ellen Lonnquist PLLC

Organization Marriage & Family Therapist · NPI 1790574424

Ellen Lonnquist PLLC is a Marriage & Family Therapist in Evanston, Illinois. Registered with an NPI since 2025.

In the registry since
2025
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

1740 Ridge Ave Ste 201
Evanston, IL 60201-5909
Phone: (847) 814-1734
Fax: (847) 475-7333
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Marriage & Family Therapist (primary) Taxonomy 106H00000X

Record details

NPI number1790574424
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Ellen Lonnquist — Therapist · (847) 814-1734
NPI enumeratedApril 30, 2025
Last updated in NPPESApril 30, 2025
Certification dateApril 30, 2025
Mailing address1740 Ridge Ave Ste 201, Evanston, IL 60201-5909

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