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

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