Home Locations LifeBridge Health ENT Sinus & Allergy Center LifeBridge Health ENT Sinus & Allergy Center LifeBridge Health ENT Sinus & Allergy Center 504 E. Ridgeville Blvd. Suite 110 Mt. Airy, MD 21771 United States Get Directions 443-289-3459 443-289-3488 Monday – Friday: 8:30 a.m. – 5 p.m.