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

Dr. Ralph S. Welsh, PHD

Individual provider Cognitive & Behavioral Psychologist · NPI 1972712628

Dr. Ralph S. Welsh, PHD is a Cognitive & Behavioral Psychologist in Danbury, Connecticut. Practices as a sole proprietor. Licensed in Connecticut.

Licensed in
CT
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

152 Deer Hill Ave Ste 115
Danbury, CT 06810-7791
Phone: (203) 743-1724
Show map & directions

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

Specialties & licences

Cognitive & Behavioral Psychologist (primary) Taxonomy 103TB0200X · Licence 339 (CT)

Record details

NPI number1972712628
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorYes
NPI enumeratedMay 21, 2007
Last updated in NPPESJuly 9, 2007
Mailing addressPo Box 720, Georgetown, CT 06829-0720