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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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
Mailing address2101 47th St, Moline, IL 61265-3663

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