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

Individual provider Clinical Neuropsychologist · NPI 1427285105

Dr. John James Neudecker, PHD is a Clinical Neuropsychologist in Saint Louis, Missouri. Licensed in Michigan. Registered with an NPI since 2009.

Licensed in
MI
In the registry since
2009
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.

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Practice location Address checks out

1 Jefferson Barracks Dr
Saint Louis, MO 63125-4181
Phone: (314) 652-4100
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Psychologist (primary) Taxonomy 103TC0700X · Licence 6301013625 (MI)
Clinical Neuropsychologist Taxonomy 103G00000X · Licence 6301013625 (MI)

Record details

NPI number1427285105
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorNo
NPI enumeratedJune 19, 2009
Last updated in NPPESJune 19, 2009

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