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

Dr. Charles A. Opsahl, PHD

Individual provider Clinical Psychologist · NPI 1487698429

Dr. Charles A. Opsahl, PHD is a Clinical Psychologist in Watertown, Connecticut. Licensed in Connecticut. Registered with an NPI since 2006.

Licensed in
CT
In the registry since
2006
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

27 Depot St Ste 2
Watertown, CT 06795-2601
Phone: (860) 274-5458
Fax: (860) 945-0896
Show map & directions

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

Specialties & licences

Clinical Psychologist (primary) Taxonomy 103TC0700X · Licence 860 (CT)

Record details

NPI number1487698429
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorNo
NPI enumeratedJune 16, 2006
Last updated in NPPESJuly 13, 2026

Other providers in Watertown