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

Dr. Warren D Fitzgerald, PHD

Individual provider Addiction (Substance Use Disorder) Psychologist · NPI 1760520944

Dr. Warren D Fitzgerald, PHD is an Addiction (Substance Use Disorder) Psychologist in Concord, New Hampshire. Licensed in New Hampshire. Registered with an NPI since 2007.

Licensed in
NH
In the registry since
2007
Specialties on file
9
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

54 S State St
Concord, NH 03301-3622
Phone: (603) 224-5140
Fax: (603) 224-8070
Show map & directions

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

Specialties & licences

Clinical Psychologist (primary) Taxonomy 103TC0700X · Licence 133 (NH)
Addiction (Substance Use Disorder) Psychologist Taxonomy 103TA0400X · Licence AD003482 (NH)
Adult Development & Aging Psychologist Taxonomy 103TA0700X · Licence 133 (NH)
Cognitive & Behavioral Psychologist Taxonomy 103TB0200X · Licence 133 (NH)
Clinical Child & Adolescent Psychologist Taxonomy 103TC2200X · Licence 133 (NH)
Psychologist Taxonomy 103T00000X · Licence 133 (NH)
Family Psychologist Taxonomy 103TF0000X · Licence 133 (NH)
Health Service Psychologist Taxonomy 103TH0100X · Licence 133 (NH)
School Psychologist Taxonomy 103TS0200X · Licence 22111 (NH)

Record details

NPI number1760520944
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorNo
NPI enumeratedFebruary 1, 2007
Last updated in NPPESNovember 3, 2010