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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

JOHN THOMAS MARTIN PHD
NPI 1780255968
Clinical Neuropsychologist in Cedar Rapids, IA

Active since July 08, 2021
1026 A AVE NE, CEDAR RAPIDS, IA 52402(319) 369-7331 Get Directions Write a Review

NPPES record last updated: July 2, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About John Thomas Martin Phd NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

JOHN THOMAS MARTIN PHD (NPI 1780255968) is an individual clinical neuropsychologist in Cedar Rapids, Iowa and active in the NPI registry since July 2021.

NPPES Registry Identity

NPI1780255968
Entity TypeIndividualMale
Primary Taxonomy103G00000X
Provider Legal NameJOHN THOMAS MARTINCredential: PHD
Location Address1026 A AVE NECedar Rapids, IA 52402-5036
Mailing Address1026 A Ave NeCedar Rapids, IA 52402-5036 · (319) 369-7331
Phone(319) 369-7331
Sole ProprietorNo
Enumeration DateJuly 8, 2021
Last NPPES UpdateJuly 2, 2026
NPPES CertifiedJuly 2, 2026
✔ NPI 1780255968 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyClinical NeuropsychologistBehavioral Health & Social Service Providers
Taxonomy Code103G00000X
Definition
A clinical psychologist who applies principles of assessment and intervention based upon the scientific study of human behavior as it relates to normal and abnormal functioning of the central nervous system. The specialty is dedicated to enhancing the understanding of brain-behavior relationships and the application of such knowledge to human problems.
Also ListedPsychologistTaxonomy 103T00000X
1026 A AVE NE, Cedar Rapids, IA 52402
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Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

KATHRYN K DIERKS D.O.
Emergency Medicine
1026 A AVE NE
CEDAR RAPIDS, IA 52402
Linn County (319) 369-8600
JERICA SAMSON FNP
Nurse Practitioner (Family)
1026 A AVE NE
CEDAR RAPIDS, IA 52402
Linn County (319) 369-7211
CARRIE ANN OLMSTEAD PHARM D
Pharmacist (Ambulatory Care)
1026 A AVE NE
CEDAR RAPIDS, IA 52402
Linn County (319) 369-8970
BRIAN FARRIS PHARMD
Pharmacist (Emergency Medicine)
1026 A AVE NE
CEDAR RAPIDS, IA 52402
Linn County (319) 369-7105
DR. DALE L. WALDNER M.D.
Pathology (Anatomic Pathology & Clinical Pathology)
1026 A AVE NE
CEDAR RAPIDS, IA 52402
Linn County (319) 369-7002
DEVEN VOELKER DO
Hospitalist
1026 A AVE NE
CEDAR RAPIDS, IA 52402
Linn County (319) 368-5970
JAXON PAUL EILERS PBT MLA
Technician, Pathology (Phlebotomy)
1026 A AVE NE
CEDAR RAPIDS, IA 52402
Linn County (319) 369-7211
SAMANTHA MARIE QUICK
Registered Nurse (Medical-Surgical)
1026 A AVE NE
CEDAR RAPIDS, IA 52402
Linn County (319) 369-7234

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is John Martin's NPI number?

The NPI number for John Martin is 1780255968. It was assigned to this individual provider in the NPPES registry on July 8, 2021.

Where is John Martin located?

John Martin practices at 1026 A Ave NE, Cedar Rapids, IA 52402. The listed phone number is (319) 369-7331.

What is John Martin's specialty?

The primary specialty registered for this NPI is Clinical Neuropsychologist with taxonomy code 103G00000X.

When was this NPI record last updated?

The NPPES record for John Martin was last updated on July 2, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 40 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.