Photo of John C. P. Sun, MD

John C. P. Sun, MD

Accepting New Patients
24411 Health Center Drive, Suite 600
Laguna Hills, CA 92653
2253.4 miles away
Medical Groups & Affiliations
Speaks: English
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Orange County Ear, Nose & Throat - Laguna Hills

24411 Health Center Drive, Suite 600, Laguna Hills, CA 92653

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About John C. P. Sun

Dr. John Sun completed his undergraduate degree at Dartmouth College with Honors in Biochemistry. He then obtained his medical degree (MD) from Washington University in St. Louis, MO. During medical school, he also received a masters degree (MA) in hearing research. He then completed his residency in the Department of Otolaryngology at Washington University in St. Louis, MO. Dr. John Sun's field of interest during his residency training was in hearing and balance research.

Prior to starting his practice in Orange County, Dr. John Sun had a special interest in inner ear research. He started his research in studying noise induced inner hair cell damage. He then progressed to studying microbiology of the vestibular (balancing) system in Europe. Dr. John Sun received national research funding in the United States as well as in Europe. Although he started in academia, he realized his real desire is to serve the community where his family resides.

Dr. John Sun is board certified in Otolaryngology-Head and Neck Surgery. He is a member of numerous professional organizations, including the American Medical Association, the California Medical Association, and American Academy of Otolaryngology-Head and Neck Surgery. Dr. John Sun has been elected by his peers for inclusion in Best Doctors in America for 2017-2018. The prestigious recognition marks the fourth time that he has earned this honor.

Dr. John Sun was born in Taipei, Taiwan and spent his childhood years in Van Nuys, CA. His primary language is English however he is also fluent in Mandarin. Dr. John Sun is married and has a daughter and two sons. In his free time he enjoys competing in triathlons and coaching his children in sport

Medical School

Washington University School Of Medicine
1996

Internship

Washington University
General Surgery
1996

Residency

Washington University
Otolaryngology
2002

Board Certifications
  • American Board of Otolaryngology - Head and Neck Surgery, Otolaryngology
Orange County Ear, Nose & Throat - Laguna Hills
24411 Health Center Drive, Suite 600
Laguna Hills, CA 92653

Orange County Ear, Nose & Throat - Irvine
22 Odyssey, Suite 100
Irvine, CA 92618

Medical Groups & Affiliations
Providence Affiliated Physicians, Mission

Affiliated Locations
Mission Hospital Leonard Cancer Institute - Mission Viejo
Providence Mission Hospital - Laguna Beach
Providence Mission Hospital - Mission Viejo

Clinical Interests

  • Acoustic Neuroma
  • Adenoid Hypertrophy
  • Adenoidectomy
  • Adenoiditis
  • Alaryngeal Communication
  • Allergic Fungal Sinusitis
  • Allergic Rhinitis
  • Autoimmune Inner Ear Disease
  • Balloon Sinuplasty
  • Benign Paroxysmal Positional Vertigo
  • Bone Anchored Hearing Aid Assessment
  • Bone Anchored Hearing Aid Surgery
  • Bone Anchored Hearing Aids (Baha)
  • Choking Sensation
  • Cholesteatoma
  • Chronic Tonsillitis
  • Cochlear Implant Hearing Aid Assessment
  • Cochlear Implant Hearing Aid Surgery
  • Cochlear Implants
  • Cochlear Nerve Damage
  • Cyst Of Sinuses
  • Deviated Septum
  • Difficulty Speaking
  • Disorder Of Balance
  • Dry Mouth
  • Dysphagia
  • Dysphonia
  • Ear Canal Lesions
  • Ear Cyst
  • Ear Discharge
  • Ear Drainage
  • Ear Mass
  • Ear Pressure
  • Earache
  • Epistaxis
  • Esophageal Obstruction
  • Eustachian Tube Dysfunction (Etd)
  • Excessive Drooling
  • Excessive Salivation
  • Facial Fracture
  • Facial Nerve Disease
  • Facial Nerve Injury
  • Facial Nerve Schwannoma
  • Facial Pain
  • Facial Paresis
  • Fissured Tongue
  • Foreign Body (Ear)
  • Frenectomy
  • Gastroesophageal Reflux Disease
  • Glossodynia
  • Glottic Stenosis
  • Goiter
  • Hairy Tongue
  • Head And Neck Cancer Surgery
  • Hearing Loss
  • Hearing Loss (Conductive)
  • Hearing Loss (Neural)
  • Hoarseness
  • Hypoglossal Nerve Disease
  • Hypoglossal Nerve Injury
  • Inner Ear Trauma
  • Inverted Papilloma Of The Sinus
  • Itchy Ear
  • Labyrinthitis
  • Laryngeal Dystonia
  • Laryngeal Edema
  • Laryngeal Lesions
  • Laryngeal Leukoplakia
  • Laryngeal Polyps
  • Laryngeal Stenosis
  • Laryngitis
  • Laryngocele
  • Laryngoscopy
  • Lip Droop
  • Ludwig Angina
  • Lump In Throat
  • Malignant Otitis Externa
  • Mastoiditis
  • Meniere's Disease
  • Middle Ear Exploration
  • Missing Eardrum
  • Mouth Abscess
  • Mouth Pain
  • Myringoplasty
  • Myringotomy
  • Nasal Congestion
  • Nasal Drainage
  • Nasal Obstruction
  • Nasal Polyps
  • Neck Abscess
  • Neoplasm Of Ear
  • Neurologic Disorders Of The Larynx
  • Nose Fracture
  • Odynophagia
  • Olfactory Nerve Disease
  • Oral Inflammation
  • Oral Lesions
  • Osteoma
  • Otalgia
  • Otitis
  • Otomastoiditis
  • Otosclerosis
  • Ototoxicity
  • Parapharyngeal Abscess
  • Parapharyngeal Mass
  • Parathyroidectomy
  • Perforated Ear Drum
  • Peritonsillar Abscess
  • Pharyngeal Mass
  • Polyp Of Cheek
  • Positional Vertigo
  • Post Nasal Drip
  • Problems With Smell And Taste
  • Retropharyngeal Abscess
  • Rhinitis
  • Rhinorrhea
  • Ruptured Eardrum
  • Salivary Gland Disorders
  • Sialadenitis
  • Sialolithiasis
  • Sino Nasal Carcinoma
  • Sinonasal Papilloma
  • Sinus And Nasal Mucoceles
  • Sinus Mass
  • Sinus Polyp
  • Sinus Surgery
  • Sinusitis
  • Smell Disorders
  • Snoring
  • Sphenoidotomy
  • Squamous Cell Carcinoma Of The Head And Neck
  • Squamous Cell Carcinoma Of The Mouth
  • Stapedectomy
  • Stomatitis
  • Stylohyoid Syndrome
  • Subglottic Stenosis
  • Sudden Deafness
  • Suppurative Tonsillitis
  • Swallowing Problem
  • Swollen Parotid
  • Swollen Throat
  • Throat Abscess
  • Throat Mass
  • Thyroglossal Duct Disorders
  • Thyroid Nodule
  • Thyroid Surgery
  • Tinnitus
  • Tongue Mass
  • Tongue Pain
  • Tongue Swelling
  • Tonsillectomy
  • Tonsillitis
  • Tracheostomy Management
  • Tympanometry
  • Tympanoplasty/Mastoidectomy
  • Uvuloplasty
  • Velopharyngeal Deficiencies
  • Vertigo
  • Vestibular Neuronitis
  • Vocal Cord Dysfunction
  • Vocal Cord Lesions
  • Vocal Cord Paralysis
  • Vocal Cord Strain
  • Voice Problems