Pinnacle Dermatology expands its footprint in Michigan with the acquisition of Kathy Laing, MD’s practice in Ann Arbor Brentwood, TN, April 27, 2022 (GLOBE NEWSWIRE) -- Pinnacle Dermatology expands its footprint in Michigan with the acquisition of Kathy Laing, MD’s practice in Ann Arbor Pinnacle Dermatology has...