Mark H. Montgomery MD and Associates

Bonita Springs, FL • 239-495-6200
Estero, FL • 239-992-8417

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.

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