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

Marlena Clark, PHD

Individual provider Professional Counselor · NPI 1356753560

Marlena Clark, PHD is a Professional Counselor in Chicago, Illinois. Licensed in Illinois. Registered with an NPI since 2014.

Licensed in
IL
In the registry since
2014
What do these letters mean?
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

See every abbreviation used in this directory →

Practice location Address checks out

515 E 44th St Apt 1
Chicago, IL 60653-4748
Phone: (630) 660-5507
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Professional Counselor (primary) Taxonomy 101YP2500X · Licence 180008404 (IL)

Record details

NPI number1356753560
Entity typeIndividual (Type 1)
GenderFemale
Credentials PHD
Sole proprietorNo
NPI enumeratedMay 21, 2014
Last updated in NPPESApril 8, 2020
Certification dateApril 8, 2020

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