The Northeast PHO (NEPHO) team provides a variety of administrative and clinical services for our providers. The organization is led by Stacey Keough, Executive Director and Dr. Joseph Peppe, Medical Director; they are accountable to the NEPHO Board of Directors. NEPHO’s Executive Team also includes Alycia Messelaar, Director of Contracting & Operations.
Below is a NEPHO organizational chart and following that is a list of NEPHO colleagues with contact information.
Click here to download and print
NEPHO Colleague Contact List
Stacey Keough
Executive Director
978-816-2010
Stacey.Keough@Lahey.org
Joseph Peppe, M.D.
Medical Director
978-236-1740
Joseph.Peppe@Lahey.org
Alycia Messelaar
Director, Contracting and Operations
978-236-1784
Alycia.Messelaar@Lahey.org
Lisa Driscoll
Executive Assistant
978-236-1744
Lisa.M.Driscoll@Lahey.org
Jennifer Andersen
Lead Quality Analyst
978-236-1747
Jennifer.S.Andersen@Lahey.org
Deirdre Bamford-Mulkern
Referral Coordinator
978-236-1739
Deirdre.Bamford-Mulkern@Lahey.org
Stacey Begonis
Referral Coordinator
978-236-1754
Stacey.Begonis@Lahey.org
Marcy Bloom
Provider Relations & Credentialing Coordinator
978-236-1760
Marcela.M.Bloom@Lahey.org
Cheryl Brennan
Quality and Data Entry Specialist
978-236-1719
Cheryl.A.Brennan@Lahey.org
Jessica Bryan
Lead Certified Coder
978-236-1634
Jessica.M.Bryan@Lahey.org
Ann Cabral
Manager, Referral Services
978-236-1758
Ann.Cabral@Lahey.org
Nick Catino
Healthcare Data Analyst
978-236-1773
Nicholas.Catino@Lahey.org
Michelle Costanza
Referral Lead
978-236-1748
Michelle.J.Costanza@Lahey.org
Stephanie Cunningham
Project Manager
978-236-1753
Stephanie.K.Cunningham@Lahey.org
Meg Doyon
Administrative Assistant
978-236-1729
Margaret.M.Doyon@Lahey.org
Carol Freedman, RPh
Manager, Pharmacy Services
978-236-1774
Carol.Freedman@Lahey.org
Liz Isaac, PharmD
Director, Ambulatory Performance Improvement
978-236-1767
Elizabeth.Isaac@Lahey.org
Jean St. Peter, RN
Care Manager
978-236-1768
Jean.L.StPeter@Lahey.org
Jean Servizio
Lead Referral Coordinator
978-236-1737
Mary.J.Servizio@Lahey.org
Laureen Viel
Lead Population Health Specialist
978-236-1746
Laureen.Viel@Lahey.org
Maureen von Zweck
Financial/Accounting Analyst
978-236-1701
Maureen.H.Vonzweck@Lahey.org
Julie Wang, MSN, RN
Care Manager
978-236-1763
Julie.Y.Wang@Lahey.org
Ali Wiklund, MSN, FNP-BC
Director, Population Health
978-236-1770
Alison.Wiklund@Lahey.org