Mark H. Montgomery MD and Associates

Bonita Springs, FL • 239-495-6200
Hours: Monday - Thursday 8:00am to 6:00pm

Our ENT Hearing Professionals

Mark H. Montgomery, MD

Mark H. Montgomery, MD
Board Certified Otolaryngology


  • Graduate of Cornell Medical College


  • Board Certified Otolaryngology
  • American Board of Otolaryngology - Head and Neck Surgery
  • Fellow American Academy of Otolaryngic Allergy

Surgical Training:

  • 3 years General Surgical Residency, Roosevelt Hospital,
  • Columbia University, New York City
  • Otolaryngology Residency, NY Eye and Ear Infirmary,
  • New York City, Chief Resident


  • Florida Medical Association
  • Collier County Medical Society
James A. Hadley, MD FACS

James A. Hadley, MD FACS

James A. Hadley MD FACS received his medical degree from the University of Bordeaux II, Faculty of Medicine, in France. His post graduate training includes a residency in Otolaryngology, Head and Neck Surgery at the University of Rochester Medical Center where he later became an accredited professor for 30 years. Dr. Hadley’s clinical practice specializes in general Otolaryngology with an emphasis in Rhinology, Otolaryngic Allergy and Head and Neck Surgery.

Jeffery B. Hiltbrand, MD

Jeffery B. Hiltbrand, MD
Board Certified Otolaryngology

Jeffery B. Hiltbrand, MD received his medical degree from Ohio State University and completed his Residency and Internship at Bowman Gray School of Medicine, Wake Forest University. Formerly, he has been in private practice in Columbus, Ohio. His interests include all aspects of the ENT specialty including Allergy.


Professional Memberships

      •American Academy of Otolaryngology and Head & Neck Surgery
      •American Medical Association
      •American Academy of Facial Plastic and Reconstructive Surgery
      •Ohio State Medical Association
      •Columbus and Franklin County Academy of Medicine
      •Columbus EENT Society
      •The Ohio State University College of Medicine Alumni Association

Kathleen Rocuant, AuD, FAAA

Kathleen Rocuant, AuD, FAAA
Board Certified Doctor of Audiology


  • BA - Bridgewater State College, Bridgewater, MA
  • MA - University of Massachusetts, Amherst, MA
  • AuD – Arizona School of Health Sciences


  • Board Certification – American Board of Audiology
  • Fellow American Academy of Audiology
  • State of Florida Audiology License


  • American Academy of Audiology
  • Florida Academy of Audiology
Lisa M. Browning, PA-C

Lisa M. Browning, PA-C
Board Certified Physician Assistant


  • Bachelor of Science in Exercise Science - Allied Health
    University of Tampa, FL
  • Masters Degree in Physician Assistant and Medical Sciences
    Nova Southeastern University, FL


  • Board Certified Physician Assistant
  • State of Florida License


  • Florida Academy of Physician Assistants
  • American Academy of Physician Assistants