White Pebble Dermatology-Highland, MD 13330 Clarksville PikeSuite BHighland, MD 20777 Get Directions White Pebble Dermatology-Columbia, MD 10632 Little Patuxent PKWYSte 400Columbia, MD 21044 Get Directions (443) 535-6616 (931) 213-3594 Opening Hours: (By Appointment only) Monday - Friday 9:00 ...