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

Individual provider Mental Health Counselor · NPI 1578902912

Dr. Derrick Lawrence Hassert, PHD is a Mental Health Counselor in Matteson, Illinois. Licensed in Illinois and Indiana. Registered with an NPI since 2013.

Licensed in
IL, IN
In the registry since
2013
Specialties on file
2
What do these letters mean?
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

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Practice location Address checks out

3624 216th St
Matteson, IL 60443-2713
Phone: (815) 274-4879
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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 · Licence 180.010878 (IL)
Mental Health Counselor Taxonomy 101YM0800X · Licence 39003117A (IN)

Record details

NPI number1578902912
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorNo
NPI enumeratedJune 19, 2013
Last updated in NPPESNovember 16, 2018
Mailing address6601 West College Drive, Vander Velde Hall, Palos Heights, IL 60463

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