About Us

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


Peter Davidson, MD

Medical Director

PHONE: (413) 582-2555


Diane Bradley

Director, Managed Care

PHONE: (413) 582-2360


Erin Fleming, RN

Director, Clinical Operations

PHONE: (413) 582-5253


Kate Banigan-White, LCSW

Social Worker, iCMP

PHONE: (413) 582-5225


Issie Barsalou

Population Health Coordinator

PHONE: (413) 582-2547


Sandra Chagnon

Credentials Specialist

PHONE: (413) 582-2656


Nancy Delabarre, LCSW

Social Worker, iCMP

PHONE: (413) 582-3373


Terry Derderian, RN

Manager, Quality & Population Health

PHONE: (413) 582-2341


Jeanine Downie

Provider Relations Manager

PHONE: (413) 582-2342


Dardi Hawkins

Enrollment and Credentialing Coordinator

PHONE: (413) 582-2879


Ashley Knox, RN

Nurse Care Manager, iCMP

PHONE: (413) 582-2498


Rhea Mack, LiCSW

Social Worker, iCMP

PHONE: (413) 582-5254


Francheska Martinez

Community Health Worker, iCMP

PHONE: (413) 320-2204


Frances Rodrigues

Community Health Worker, iCMP

PHONE: (413) 


Janice Saunders

Executive Assistant

PHONE: (413) 582-2343


Justin Small

Health Care Data Analyst

PHONE: (413) 582-2475


Samantha Topor

PHM Project Manager, iCMP

PHONE: (413) 582-5230


Kevin Verni, LiCSW

Social Worker, iCMP

PHONE: (413) 923-3370


Sara White

Nurse Care Manager, iCMP

PHONE: (413) 


Nicole Wortis

Senior Managed Care Analyst

PHONE: (413) 582-2372