Welcome to OC Ear, Nose, Throat, Head & Neck Surgery.

Leading Specialized Head and Neck Surgeons in Irvine and all of Orange County




We provide comprehensive medical and surgical ear, nose, and throat care for adults and children. Our in-office services include balloon sinuplasty to immediately relieve sinusitis, CT scans of the ears and sinuses, as well as allergy testing and immunotherapy. We also offer complete state-of-the-art hearing evaluations and hearing aid fittings. We perform surgeries at Hoag Hospital in Irvine and Newport Beach, Mission Hospital, CHOC Children’s Hospital, and Long Beach Memorial Hospital.

We focus on individualized care and on developing trusting relationships with our patients. We never rush an appointment and we empower our patients with full understandings of each diagnosis. We look forward to meeting you!


Diagnose and treat all medical ear, nose, and throat concerns

Perform all specialized surgical procedures to address medical head, neck, ear, nose, and throat issues

Conduct all diagnostic and advanced hearing test with individualized hearing and fitting


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Highly trained and specialized in surgical care of the head and neck



Dr. Robert Pettis has lived in Southern California for more than 25 years. He attended Medical School and Surgical Residency at the University of California, Los Angeles, and is an Assistant Faculty member of the Division of Otolaryngology at UCLA. Dr. Pettis has a Master’s Degree in Science and Public Health in Bioscience and Behavioral Health, and a Fellowship in Otolaryngologic Allergy Medicine. 

Dr. Pettis is certified in advanced robotic surgery of the head and neck. He is in private practice and has offices in Irvine and Laguna Woods, California. Dr. Pettis provides state-of-the-art care for issues afflicting the head, neck, ears, nose and throat.

Dr. Pettis sees both pediatric and adult patients. He treats a wide variety of conditions including cancer of the head and neck, sinusitis and allergies, snoring and sleep problems, swallowing issues, voice and speech disorders, hearing and balance issues, thyroid disorders, and tumors and skin lesions involving the neck, face and head.


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Dr. Ashley Balaker provides skilled and compassionate care for ear, nose and throat disorders and offers the most advanced options to treat, manage and prevent both acute and chronic conditions affecting the ears, nose, sinuses, and throat. She treats patients from throughout Orange County, including Irvine, Huntington Beach, Laguna Niguel, Aliso Viejo, Mission Viejo and Laguna Beach areas.

As a top-rated ENT doctor, Dr. Balaker has extensive experience diagnosing and treating an array of ear, nose and throat conditions, including acute and chronic ear infections, hearing loss, sinusitis, otosclerosis, Meniere's disease and thyroid tumors. 

She is also a sub-specialist in hearing and balance disorders and is a leading provider of cochlear implants in patients who are severely hard of hearing or profoundly deaf.


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We have two offices

  • Irvine 


    Sand Canyon Medical Building 

    16100 Sand Canyon Ave | Suite 310 

    Irvine, CA 92618 

    (949) 243-7787 

    Laguna Woods


    Above Parking Structure

    24361 El Toro Rd | Suite 140

    Laguna Woods, CA 92637

    (949) 540-7560

Our Locations

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Doctor's own tumor led him to take up scapel

“Surgery is an incredibly beautiful thing, and the human anatomy is beautiful. Respecting the patient and anatomy is key. 

It also helps having been on the other side. It keeps you humble.”




Dr. Robert Pettis on Balance

Dr. Pettis is committed to using cutting-edge techniques and technology to achieve the best results in each patient, providing individualized care customized to every patient's unique needs.

Dr. Pettis is highly skilled in the use of robot-assisted techniques that provide greater precision for delicate and complicated surgeries so patients can enjoy the best outcomes possible.


We accept major insurances provided