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

Individual provider Clinical Neuropsychologist · NPI 1174534259

John Nicholson Leavitt, PHD is a Clinical Neuropsychologist in Shreveport, Louisiana. Licensed in Illinois. Registered with an NPI since 2006.

Licensed in
IL
In the registry since
2006
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

510 E Stoner Ave
Shreveport, LA 71101-4243
Phone: (318) 424-6119
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Neuropsychologist (primary) Taxonomy 103G00000X (IL)

Record details

NPI number1174534259
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorNo
NPI enumeratedAugust 11, 2006
Last updated in NPPESJuly 8, 2007

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