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

Richard David Johnson, PHD

Individual provider Psychologist · NPI 1588699847

Richard David Johnson, PHD is a Psychologist in Chester, Illinois. Licensed in Illinois. Registered with an NPI since 2006.

Licensed in
IL
In the registry since
2006
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

1315 Lehmen Dr Chester Mental Health Ctr
Chester, IL 62233-2542
Phone: (618) 826-4571
Fax: (618) 826-3229
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychologist (primary) Taxonomy 103T00000X (IL)

Record details

NPI number1588699847
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorNo
NPI enumeratedJuly 12, 2006
Last updated in NPPESJuly 9, 2007