John V. Chang


  • AAUCM member since 1998
  • AAUCM Fellow since 2004
  • Attended University of New England
  • Currently practices at Lawrence General Hospital
  • Board certified in Family Practice
  • Diplomate, National Board of Medicine
  • Vice President, Massachusetts Osteopathic Society
  • Board of Directors, New England Osteopathic Association
  • Fellow, Massachusetts Medical Society
  • Board of Registration, American Society of Clinical Pathologists

George Schroeder


  • AAUCM member since 2004
  • AAUCM Fellow since 2008
  • Medical Director - North Florida Comprehensive Treatment Center
  • Clinical Professor of Emergency Medicine & Urgent Care Medicine– Liberty University College of Medicine
  • Graduated from the University of Toronto; Faculty of Medicine
  • Diplomate of the American Board of Urgent Care Medicine
  • Diplomate of the National Board of Medical Examiners
  • International Scientific Advisory Board; Magellan BioScience
  • Served as Clinical Assistant Professor of Emergency Medicine; UCF College of Medicine
  • Editorial Board - Journal of Marine Science. Research & Development & Senior Medical Editor
  • E-Journal of American Academy of Urgent Care Medicine
  • Board of Directors - International Consortium of Cruise Ship Medicine
  • Medical Editor - Journal of Freestanding Emergency Medicine
  • CLIA-certified Laboratory Director

David Weitzman


  • AAUCM Member since 2011
  • Attended St. Matthew's University
  • Fellow - Advanced Family Medicine & Procedural Medicine
  • Diplomate of the American Board of Urgent Care Medicine
  • Executive Physician at Dr. Dave's Companies, LLC
  • Chair, Multispecialty Physician Advisory Board for Governmental Affairs
  • Member, American College of Physicians Pain Management Panel
  • Member, John's Hopkins Depression Treatment Board
  • Member, American Academy of General Physicians
  • Member, American Medical Association, Special Recognition with Commendation