HealthCareAtlasUSA

This site republishes official CMS/Medicare Care Compare data. It is not medical advice and does not recommend any specific hospital or treatment — for medical decisions, talk to a doctor.

Doctors / MA

MARK A GAPEN

CLINICAL PSYCHOLOGIST

Medical school: EMORY UNIVERSITY SCHOOL OF MEDICINE

Graduated: 2009

NPI: 1467786616

Practice Locations (2)

104 RUSSELL ST

HADLEY, MA 010359570

104 RUSSELL ST, SUITE 6

HADLEY, MA 010359581

4133510562

Source: CMS National Downloadable File, September 2026.