Bart L. Clarke Directory Minnesota Bart L. Clarke Bart L. Clarke Credentials MD Location Mayo Clinic, Rochester State Minnesota Harold H. Katz Harold H. Katz Credentials MD Location Allina Health United Medical Specialties Clinic State Minnesota Lynn Burmeister Lynn Burmeister Credentials MD Location University of Minnesota Health Clinics and Surgery Center Endocrine Clinic State Minnesota Thomas Laedtke Thomas Laedtke Credentials MD Location M Health Fairview Clinic – Diabetes Care State Minnesota