About Us
Designed to offer its participating physicians and Cooley Dickinson Hospital improved efficiency in managed care contracting, CDPHO is the preferred managed care contracting entity within Hampshire County for all major health plans. The CDPHO is structured to provide a forum for participating providers to collaborate in the delivery of high quality, cost-effective health care to the community in an organized fashion.

Norman Stachelek, Jr.
President / Executive Director
PHONE: (413) 582-2343

Diane Bradley
Director, Managed Care
PHONE: (413) 582-2360

Beatriz Agosto
Provider Relations Manager
PHONE: (413) 582-2342
Julia Bisaillon
Managed Care Credentialing Specialist
PHONE: (413) 966-8085
CDPHO Enrollment & Credentialling Dept.
cdphoenrollment@cooleydickinson.org

Terry Derderian, RN
Manager, Quality & Population Health
PHONE: (413) 582-2341
Roshni Patel
Credentialing Coordinator
PHONE: (413) 966-8085
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Janice Saunders
Executive Assistant
PHONE: (413) 582-2343
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Justin Small
Health Care Data Analyst
PHONE: (413) 582-2475
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Nicole Wortis
Manager, Analytics & Reporting
PHONE: (413) 582-2372
