Primary Care Hours: Monday-Friday 7:30am - 5:00pm Laboratory Hours: Monday - Friday: 8:00am - 4:45pm Please note, the lab is closed from 12:45pm-2pm daily. Radiology and X-Ray Hours: Monday - Friday: 8:00am - 7:00pm Saturday - Sunday: 9:00am - 6:00pm Address: Primary Care of Hudson 300 Derry Road Hudson, NH 03051. Get directions >.