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Mark Detweiler MD

 Londonderry Gastroenterology

   Healing Beyond the Symptoms

Office Hours:

Monday: Staff in 9:00 AM to 4:00 PM

Tuesday: 9:00 AM to 5:00 PM

Wednesday: 1:00 PM to 7:00 PM

Thursday: Staff 9:00 AM, (DrD 1:00 PM) to 5:00 PM

Friday Staff 9:00 AM to 5:00 PM

Sat/Sun Closed*

* Phone messasges checked twice a day 

Getting Here!

Google Maps put in 1 F Commons Drive

MapQuest put in 70 Commons Drive

Apple Maps put in 1 B Commons Drive

We are located at 1B Commons Drive, Unit 9A, Londonderry NH 03053. Access via Gilcreast Road(turn North) from Route 102(Nashua Road) and take your first right. This is Commons Drive. The first group of offices on your left is 1A and our building is the next one on the left(turn left at the 4 way stop). Look for the 9A number and enter via the side door.