David M. Callahan, Ph.D.
Providing Psychological Services to
Cape Cod and Southeastern Massachusetts
Interested in learning more about our services?
Business Phone: 508.235.3467 eFax: 508.437.2416 email: dcallahan@stvservices.org
Providing comprehensive psychological and neuropsychological assessment services to children and adults on Cape Cod and Southeastern Massachusetts since 1986.
I am now seeing clients in-person in Fall River & Hyannis, but I am able to do virtual contacts on an as-needed basis
Virtual testing works! See the 2021 Satisfaction Survey. 97.4%
