Established more than 25 years ago, Crofton Pediatrics is our most popular office. Come experience the warmth of our award-winning staff, and while you're here take a look at our one-of-a-kind lactation suite! 2225 Defense Highway Crofton, MD 21114 (410) 721-2273. Hours: Monday-Friday: 7:30 AM - 5:00 PM Walk-In Sick Visits: 7:30 AM - 2:00 PM.