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

Dr. David S. Demarest, PHD

Individual provider Psychologist · NPI 1336185933

Dr. David S. Demarest, PHD is a Psychologist in Ankeny, 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?
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

715 SW Ankeny Rd On With Life
Ankeny, IA 50023-9798
Phone: (515) 965-1339
Fax: (515) 964-0567
Show map & directions

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

Specialties & licences

Clinical Neuropsychologist (primary) Taxonomy 103G00000X
Psychologist Taxonomy 103T00000X · Licence 00971 (IA)

Record details

NPI number1336185933
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorNo
NPI enumeratedJune 21, 2006
Last updated in NPPESSeptember 26, 2023
Certification dateSeptember 26, 2023
Mailing address715 Sw Ankeny Rd, On With Life, Ankeny, IA 50023-9798

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