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

Dr. Chet F Lesniak, PHD

Individual provider Clinical Child & Adolescent Psychologist · NPI 1164575064

Dr. Chet F Lesniak, PHD is a Clinical Child & Adolescent Psychologist in Portsmouth, New Hampshire. Practices as a sole proprietor. Licensed in New Hampshire and New York.

Licensed in
NH, NY
In the registry since
2007
Specialties on file
15
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

7 Portwalk Pl Unit 1229
Portsmouth, NH 03801-7003
Phone: (603) 437-2069
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychologist (primary) Taxonomy 103T00000X · Licence 011086 (NY)
Clinical Child & Adolescent Psychologist Taxonomy 103TC2200X · Licence 999 (NH)
Health Service Psychologist Taxonomy 103TH0100X · Licence 011086 (NY)
Health Service Psychologist Taxonomy 103TH0100X · Licence 999 (NH)
Intellectual & Developmental Disabilities Psychologist Taxonomy 103TM1800X · Licence 999 (NH)
Clinical Neuropsychologist Taxonomy 103G00000X · Licence 011086 (NY)
Clinical Neuropsychologist Taxonomy 103G00000X · Licence 999 (NH)
Psychologist Taxonomy 103T00000X · Licence 999 (NH)
Adult Development & Aging Psychologist Taxonomy 103TA0700X · Licence 011086 (NY)
Adult Development & Aging Psychologist Taxonomy 103TA0700X · Licence 999 (NH)
Cognitive & Behavioral Psychologist Taxonomy 103TB0200X · Licence 011086 (NY)
Cognitive & Behavioral Psychologist Taxonomy 103TB0200X · Licence 999 (NH)
Clinical Psychologist Taxonomy 103TC0700X · Licence 011086 (NY)
Clinical Psychologist Taxonomy 103TC0700X · Licence 999 (NH)
Clinical Child & Adolescent Psychologist Taxonomy 103TC2200X · Licence 011086 (NY)

Record details

NPI number1164575064
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorYes
NPI enumeratedJanuary 22, 2007
Last updated in NPPESJune 24, 2022
Certification dateJune 24, 2022