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

Individual provider Psychologist · NPI 1740319821

Dr. R. Douglas McCollum, PHD is a Psychologist in Moline, Illinois. Licensed in Iowa and Illinois. Registered with an NPI since 2007.

Licensed in
IA, IL
In the registry since
2007
Specialties on file
3
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

2101 47th St
Moline, IL 61265-3663
Phone: (309) 762-3931
Fax: (309) 762-4938
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychologist (primary) Taxonomy 103T00000X (IL)
Psychologist Taxonomy 103T00000X · Licence 00213 (IA)
Clinical Child & Adolescent Psychologist Taxonomy 103TC2200X · Licence 00512 (IA)

Record details

NPI number1740319821
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorNo
NPI enumeratedMarch 5, 2007
Last updated in NPPESSeptember 25, 2007

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