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About Cornelius J. Jansen, MD

Cornelius Jansen, MD, is a board-certified otolaryngologist/head and neck surgeon who treats patients with general medical ear, nose and throat conditions.

He completed his residency in general surgery and otolaryngology/head and neck surgery at Johns Hopkins Medicine, where he also earned his medical degree. He is board certified by the American Academy of Otolaryngology/Head and Neck Surgery.

Dr. Jansen completed research at the Rhode Island Hospital, The National Institutes of Health and at the Johns Hopkins University School of Medicine. He has published articles in publications related to immunology, laryngeal cancer and hearing loss.

Prior to joining UC San Diego Health, Dr. Jansen worked at the FDA on the Over-the-Counter Drug Review. He also worked at the Maui Medical Group for 10 years and at Kaiser Permanente in Walnut Creek, California for 20 years.

He is a member of the American Association of Otolaryngology-Head and Neck Surgery and the American Medical Association.

In his spare time, Dr. Jansen enjoys swimming, sailing, biking and hiking. In addition to English, he speaks Dutch and French.

UC San Diego Health Links
For more information, see Head and Neck Surgery.

Insurance Information
UC San Diego Health accepts most major health insurance plans, but you should verify that your plan covers this provider and all services and locations. The information in the link below does not apply to affiliate providers, who are not employed by UC San Diego Health.
Health Insurance Plans Accepted
Open Payments Program Notification
For informational purposes only, a link to the federal Centers for Medicare and Medicaid Services (CMS) Open Payments web page is provided here. The federal Physician Payments Sunshine Act requires that detailed information about payment and other payments of value worth over ten dollars ($10) from manufacturers of drugs, medical devices, and biologics to physicians and teaching hospitals be made available to the public.
View Open Payments data for Dr. Jansen

Medical Degree

  • Johns Hopkins School of Medicine, Baltimore, MD

Residency

  • Johns Hopkins School of Medicine, Baltimore, MD

Gender

  • Male

Languages

  • Dutch
  • French

Date Joined Staff

  • 2021-03-01

Board Certifications

  • American Board of Otolaryngology

Conditions and Treatments

  • Balance Disorders
  • Head and Neck Cancer
  • Hearing
  • Swallowing Disorders
  • Voice Disorders
Insurance Information
UC San Diego Health accepts most major health insurance plans, but you should verify that your plan covers this provider and all services and locations. The information in the link below does not apply to affiliate providers, who are not employed by UC San Diego Health.
Health Insurance Plans Accepted
Open Payments Program Notification
For informational purposes only, a link to the federal Centers for Medicare and Medicaid Services (CMS) Open Payments web page is provided here. The federal Physician Payments Sunshine Act requires that detailed information about payment and other payments of value worth over ten dollars ($10) from manufacturers of drugs, medical devices, and biologics to physicians and teaching hospitals be made available to the public.
View Open Payments data for Dr. Jansen
  • ENT