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
Mailing address27 Depot St, Suite 2, Watertown, CT 06795-2601

Other providers in Watertown