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

Keith A Karstens, PSYD

Individual provider Psychologist · NPI 1366403677

Keith A Karstens, PSYD is a Psychologist in Sioux City, Iowa. Licensed in Iowa. Registered with an NPI since 2006.

Licensed in
IA
In the registry since
2006
Specialties on file
2
What do these letters mean?
PSYD — Doctor of Psychology
A doctoral psychologist trained primarily for clinical practice.

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Practice location Address checks out

600 4th St Ste 501
Sioux City, IA 51101-1750
Phone: (712) 234-0220
Fax: (712) 234-0225
Show map & directions

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

Specialties & licences

Clinical Psychologist (primary) Taxonomy 103TC0700X · Licence 00404 (IA)
Psychologist Taxonomy 103T00000X · Licence 00911 (IA)

Record details

NPI number1366403677
Entity typeIndividual (Type 1)
GenderMale
Credentials PSYD
Sole proprietorNo
NPI enumeratedMarch 28, 2006
Last updated in NPPESDecember 21, 2007
Mailing address600 4th St, Suite 501, Sioux City, IA 51101-1750

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