Connecticut Medical Group - Putting Patients First

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Our Doctors

Bernard R. Adelsberg
- Allergy & Internal Medicine

Patrick Asiedu, M.D.
- Internal Medicine

Stephen Brenner, M.D.
- Internal Medicine

Rita Bustamante, M.D.
- Internal Medicine

Karen Dufour, M.D.
- Internal Medicine & Gastroenterology

Edward L. Etkind, M.D.
- Diabetes

Daniel M. Helburn, M.D.
- Gastroenterology & Internal Medicine

Robert Henry, M.D.
- Internal Medicine

Doris Karam, M.D.
- Internal Medicine

Richard Mangi, M.D., M.B.A.
- Allergy & Rheumatology

Robert McLean, M.D.
- Rheumatology & Internal Medicine

Sunil Menon, M.D.
- Internal Medicine

Roger Perez, M.D.
- Gastroenterology

Stephen Possick, M.D.
- Cardiology

Charles Rethy, M.D.
- Internal Medicine

David Riccio, M.D.
- Internal Medicine

William Schreiber, M.D.
- Internal Medicine

Mark Schwartz, M.D.
- Rheumatology & Internal Medicine

David Stair, M.D.
- Internal Medicine

Gregory Vornovitsky, M.D.
- Internal Medicine

Wayne Warren, M.D.
- Internal Medicine

Christine Wollschlager, M.D.
- Internal Medicine & Pulmonology

Andrew Wormser, M.D.
- Internal Medicine

Other Providers:
Jennifer Burwick-Hughes, APRN
Stephanie Esposito, APRN
Brian Fillmore,PA
Emily Keane-Layman, RN, CDE

Natalie Ramadon-Unger,PA



Contact Us

To learn more give us a call or fill out our contact form.

Central Office (203) 248.5805
Fax (203) 248.2878
Billing Office (203) 248.3013

Our Office Locations

We have 12 offices in the greater New Haven area.





Our Doctors