CSMS-IPA: Directions


North Haven Office: Shelton Office:
127 Washington Ave 6 Corporate Drive, Suite 430
East Building Lower Level Shelton, CT 06484
North Haven, CT 06473     Phone: (203) 225-1291
Phone: (203) 562-7228 Fax: (203) 925-2652
Fax: (203) 624-6665  
Directions Directions


E-mail the IPA with any general questions info@CSMS-IPA.com

Neysa S. Guerino Executive Director

Edna Wells, Director of Operations

Kathy Carlson, Clinical Care Specialist

Alison Zebendon, Operations Manager

Pattie Mastriano, Outreach & Administrative Coordinator

Cindy Agosto, Network Coordinator

Evens Borno, Database Coordinator


The Connecticut State Medical Society - IPA (CSMS-IPA) is the largest and only statewide IPA in Connecticut and one of the largest in the nation. The CSMS-IPA is comprised of approximately 7,000 physician members. The CSMS-IPA is governed by a 27-member physician Board of Directors.



Corporate Office
127 Washington Avenue
East Building, Lower Level
North Haven, CT 06473
Phone: (203) 562-7228
Fax: (203) 624-6665

Operations Office
6 Corporate Drive, Suite 430
Shelton, CT 06484
Phone (203) 225-1291
Fax (203) 925-2652
© 2020, CSMS-IPA, Inc