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

Dr. David Nicholas Hayes, PHD

Individual provider Psychologist · NPI 1649395815

Dr. David Nicholas Hayes, PHD is a Psychologist in Baton Rouge, Louisiana. Practices as a sole proprietor. Licensed in Louisiana.

Licensed in
LA
In the registry since
2007
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

2333 Government St
Baton Rouge, LA 70806-5316
Phone: (225) 343-1394
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychologist (primary) Taxonomy 103T00000X · Licence 729 (LA)

Record details

NPI number1649395815
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorYes
NPI enumeratedMarch 20, 2007
Last updated in NPPESJuly 8, 2007

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