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

John Thomas Martin, PHD

Individual provider Psychologist · NPI 1780255968

John Thomas Martin, PHD is a Psychologist in Cedar Rapids, Iowa. Registered with an NPI since 2021.

In the registry since
2021
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

1026 A Ave NE
Cedar Rapids, IA 52402-5036
Phone: (319) 369-7331
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Neuropsychologist (primary) Taxonomy 103G00000X
Psychologist Taxonomy 103T00000X

Record details

NPI number1780255968
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorNo
NPI enumeratedJuly 8, 2021
Last updated in NPPESJuly 2, 2026
Certification dateJuly 2, 2026
Mailing address1026 A Ave Ne, Cedar Rapids, IA 52402-5036

Other providers in Cedar Rapids