Michael M. Bibliowicz, D.O.

Dale C. Harrington, D.O.

David R. Rabaja, D.O.

Lisa J. Waizenegger, M.D.

Orlando Ear Nose & Throat

Adult and Pediatrics


Head and Neck Surgery

Hearing Aids

Orlando Ear, Nose & Throat Associates, P.A.

Orlando FL: 407-658-0228Se Habla EspaƱolOviedo, FL: 407-971-3337


Orlando ENT Associates are committed to providing you with the highest possible medical care in a personal and timely manner. Our physicians are highly experienced in all areas of otolaryngology and specialize in the health and disorders of the head and neck, especially those related to the ear, nose, and throat. Our physicians subspecialize in audiology services, sinus disease, rhinology, head and neck surgery, and pediatric ENT care.



We schedule appointments Monday through Friday, 8:00am to 5:00pm. Appointments can be scheduled through our patient portal or by calling one of the offices. If you need to cancel an appointment, please do so 24 hours in advance so we may accommodate other patients. Every effort will be made to see you on time; however, in the event your surgeon is called away due to an emergency, we will be happy to reschedule your appointment if you are unable to wait.


Audiology Services

Our board-certified audiologists perform a full range of audiology services, including testing for hearing aids, balance disorders, and middle and inner ear disturbances.

Medical Care For Your Changing Needs

Schedule an Appointment

Appointments can be made through our patient portal or by calling or stopping by one of our office locations. The office is open Monday through Friday 8:00am to 5:00pm.


Appointment and Insurance Policies

  • Please cancel appointments at least 24 hours in advance so that we may accommodate other patients.
  • If you are a new patient, print, complete, and bring the patient information and release authorization forms.
  • Bring all current medications, x-ray reports, and relevant paperwork to every appointment.
  • Inform us before your appointment of any insurance or address changes.
  • Bring your insurance card and the referral form from your primary care physician (if your managed plan requires it).
  • Check with us before your appointment to ensure we currently participate in your insurance plan as the structure of insurance plans can change.
  • Note that all co-pays are expected at the time of visit and you are responsible for the annual deductible on your insurance plan.


IPL: Laser Skin Treatment

ENTrak: Electromagnetic Surgical Navigation System

SINOPLASTY: Leading sinus surgery technique


Fellows: AAOHNSF American Academy of Otolaryngology-Head and Neck Surgery Foundation, Inc.


Fellows: AOCOOHNS American Osteopathic Colleges of Ophthalmology Otolaryngology-Head and Neck Surgery

Credit cards we accept

Credit Cards We Accept


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1. A Customer or Client Number

2. Client Login or User ID

3. A PIN.


Our portal is an integrated, secure internet-based solution that enhances the physician-patient relationship and improves quality of care. Request services via any internet connection.

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Listen up! How Ears Tune In to Certain Sounds

You’ve probably experienced the ability to focus on a friend’s spoken words while in the middle of a crowded, noisy room. The ear is able to tune in on certain sounds primarily with two elements, we’ll think of them as the volume knob and antenna. Similar to a radio, the volume knob controls the “volume” […]


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