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

Dr. Douglas F. Watt, PHD

Individual provider Clinical Neuropsychologist · NPI 1003816992

Dr. Douglas F. Watt, PHD is a Clinical Neuropsychologist in Nashua, New Hampshire. Practices as a sole proprietor. Licensed in Massachusetts.

Licensed in
MA
In the registry since
2005
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

24 Charlotte Ave
Nashua, NH 03064-1551
Phone: (508) 740-0391
Fax: (508) 657-8605
Show map & directions

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

Specialties & licences

Clinical Neuropsychologist (primary) Taxonomy 103G00000X · Licence 4125 (MA)

Record details

NPI number1003816992
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorYes
NPI enumeratedJuly 21, 2005
Last updated in NPPESJuly 5, 2016

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