Dr. Portnay graduated from the Tufts University School of Medicine in 1997. He works in Darien, CT and 1 other location and specializes in Cardiovascular Disease and Internal Medicine. Dr. Portnay is affiliated with Greenwich Hospital, Norwalk Hospital, St Vincents Medical Center and Stamford Hospital.
| Day | Open/Closed | From | To |
|---|---|---|---|
| Monday | Closed | - | - |
| Tuesday | Closed | - | - |
| Wednesday | Closed | - | - |
| Thursday | Closed | - | - |
| Friday | Closed | - | - |
| Saturday | Closed | - | - |
| Sunday | Closed | - | - |