Conveniently located in the Jackson Gray Medical Building, directly across from Portsmouth Regional Hospital.

330 Borthwick Avenue, Suite 311
Portsmouth, NH 03801
Phone: (603) 433-2488
FAX: (603)431-1508
Hours: 8:00 am - 5:00 pm

Portsmouth Physicians

• Aristotle Damianos, MD
• Roger Epstein, MD
• Marylyn Grondin, MD
• Brian Hyett, MD
• Kathy Gibson, PA-C
• Shelby Menard, APRN
• Rachel Whitman, MS, PA-C

Portsmouth GPS Coordinates

Latitude – N43:3:53.87
Longitude – W70:47:12.026

Portsmouth Directions

From Route 95 South: Take Exit 3; Turn right at lights at end of exit. Turn left at the next set of lights, and bear right onto Borthwick Avenue. Our offices are in the Jackson Gray Building, which is located on the right, across from Portsmouth Hospital.

From Route 95 North: Take Exit 5 to the Portsmouth Traffic Circle, (follow the blue hospital symbols). At the second set of lights, turn right onto Borthwick Avenue. Our offices are in the Jackson Gray Building, located on the left, across from the hospital.

By Bus: This location is easily accessible by COAST bus service. Our office is a short walk from the bus stop.