Whitney L. Lockwood, APRN-C. Office of Dr. Kristin Harmon NEW ADDRESS: 2623 Centennial Blvd, Suite 204 Tallahassee, FL 32308 Directions to the new office: Follow Centerville Rd and Welaunee Blvd to Centennial Blvd. Turn left onto Centennial Blvd and then take the first left into the parking lot....