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

Joseph S Maciejko, PHD

Individual provider Psychologist · NPI 1922096791

Joseph S Maciejko, PHD is a Psychologist in Davenport, Iowa. Licensed in Iowa and Illinois. Registered with an NPI since 2005.

Licensed in
IA, IL
In the registry since
2005
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.

See every abbreviation used in this directory →

Practice location Address checks out

4455 E 56th St
Davenport, IA 52807-2995
Phone: (563) 355-2577
Fax: (563) 355-4015
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychologist (primary) Taxonomy 103T00000X · Licence 00085 (IA)
Psychologist Taxonomy 103T00000X · Licence 00240 (IA)
Psychologist Taxonomy 103T00000X (IL)

Record details

NPI number1922096791
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorNo
NPI enumeratedOctober 6, 2005
Last updated in NPPESJuly 13, 2026
Mailing address865 Lincoln Rd, Ste L10, Bettendorf, IA 52722-4190

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