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

Happy Human, LLC

Organization Clinical Psychologist · NPI 1013488170

Happy Human, LLC is a Clinical Psychologist in Westmont, Illinois. Registered with an NPI since 2018.

In the registry since
2018
What do these letters mean?
LLC — Limited liability company
A form of business registration, not a clinical qualification.

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Practice location Address checks out

825 N Cass Ave Ste 109
Westmont, IL 60559-6401
Phone: (630) 447-9737
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Psychologist (primary) Taxonomy 103TC0700X

Record details

NPI number1013488170
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Sandra Pennway — Billing, Credentialing Manager · (708) 409-5066
Other names Eleni S. Liossis, Psy.D.
NPI enumeratedDecember 16, 2018
Last updated in NPPESDecember 16, 2018
Mailing addressPo Box 3591, Oak Brook, IL 60522-3591

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