Doctors Mayo Clinic has one of the largest and most experienced practices in the United States, with campuses in Arizona, Florida and Minnesota. Staff skilled in dozens of specialties work together to ensure quality care and successful recovery. Find doctors and medical staff: Edit search filters close Narrow your search Doctor's Name, Condition Or Procedure By location Jacksonville, FL By last name There are no doctors whose last name begins with the letter A A Find a doctor whose last name begins with the letter B B Find a doctor whose last name begins with the letter C C Find a doctor whose last name begins with the letter D D Find a doctor whose last name begins with the letter E E There are no doctors whose last name begins with the letter F F Find a doctor whose last name begins with the letter G G Find a doctor whose last name begins with the letter H H There are no doctors whose last name begins with the letter I I active Find a doctor whose last name begins with the letter J J There are no doctors whose last name begins with the letter K K Find a doctor whose last name begins with the letter L L Find a doctor whose last name begins with the letter M M Find a doctor whose last name begins with the letter N N Find a doctor whose last name begins with the letter O O Find a doctor whose last name begins with the letter P P There are no doctors whose last name begins with the letter Q Q Find a doctor whose last name begins with the letter R R Find a doctor whose last name begins with the letter S S Find a doctor whose last name begins with the letter T T There are no doctors whose last name begins with the letter U U Find a doctor whose last name begins with the letter V V Find a doctor whose last name begins with the letter W W There are no doctors whose last name begins with the letter X X Find a doctor whose last name begins with the letter Y Y Find a doctor whose last name begins with the letter Z Z By conditions treated No results found By procedures performed No results found By spoken language No results found Reset all filters Search Tips Use quotes for phrases. Even if there are no auto-suggestions within the search field, hit "Search" anyway, as you may still get results. Displaying 1-1 out of 1 doctors available Last Name Initial: J Jeffrey R. Janus, M.D. Otolaryngologist Jacksonville, FL Areas of focus: Robotic surgery, Transnasal endoscopic procedure, Thyroidectomy, Transoral robotic surgery, Parathyroidectomy, Microvas...cular surgery, Parotid gland surgery, Neck surgery, Head and neck reconstruction, Head and neck cancer surgery, Transnasal pituitary surgery, Thyroid cancer, Mouth cancer, Salivary gland tumor, Throat cancer, Soft palate cancer, Skull base tumor, Oropharyngeal cancer, Parathyroid adenoma Show more areas of focus for Jeffrey R. Janus, M.D. Request an appointment Conditions treatedDoctors by location and specialty July 09, 2024 Share on: FacebookTwitter Otolaryngology (ENT)/Head and Neck SurgerySectionsRequest an appointmentOverviewTests & proceduresConditions treatedDoctorsDoctors by location and specialtySpecialty groupsClinical trialsResearchPatient storiesCosts & insuranceNews from Mayo ClinicReferrals SectionsRequest an appointmentOverviewTests & proceduresConditions treatedDoctorsDoctors by location and specialtySpecialty groupsClinical trialsResearchPatient storiesCosts & insuranceNews from Mayo ClinicReferrals ORG-20424058 Medical Departments & Centers Otolaryngology (ENT)/Head and Neck Surgery