Print Departments and specialties 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. Departments with related expertise Allergic Diseases Critical Care Otolaryngology (ENT)/Head and Neck Surgery Pulmonary Medicine Sleep Medicine Areas that research this procedure Otolaryngology — Head and Neck Surgery Research Doctors who perform this procedure Edit search filters close Narrow your search By location Jacksonville, FL By last name There are no doctors whose last name begins with the letter A A There are no doctors whose last name begins with the letter B B There are no doctors 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 active Find a doctor whose last name begins with the letter F F There are no doctors whose last name begins with the letter G G There are no doctors whose last name begins with the letter H H Find a doctor whose last name begins with the letter I I There are no doctors 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 There are no doctors whose last name begins with the letter N N Find a doctor whose last name begins with the letter O O There are no doctors whose last name begins with the letter P P There are no doctors whose last name begins with the letter Q Q There are no doctors whose last name begins with the letter R R Find a doctor whose last name begins with the letter S S There are no doctors whose last name begins with the letter T T There are no doctors whose last name begins with the letter U U There are no doctors whose last name begins with the letter V V There are no doctors whose last name begins with the letter W W There are no doctors whose last name begins with the letter X X There are no doctors whose last name begins with the letter Y Y There are no doctors whose last name begins with the letter Z Z 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: F Zech G. Franks, M.D. Otolaryngologist Jacksonville, FL Areas of focus: Endoscopic sinus surgery, Endoscopic skull base surgery, Nasal endoscopy, Chronic sinusitis, Nasal polyps, CSF leak, Sk...ull base tumor, Nasal and paranasal tumors, Nasal obstruction, Nasal cancer, Encephalocele, Sinonasal cancer, Rhinitis Show more areas of focus for Zech G. Franks, M.D. ResearchMayo Clinic doctors and scientists study ways to improve care for people with nose, sinus and skull base conditions. This research includes chronic sinusitis, nasal polyps, nasal and paranasal tumors, skull base tumors, endoscopic sinus surgery, endoscopic skull base surgery, skull base reconstruction, sense of smell after surgery, and quality of life. Mayo Clinic research teams work with specialists in allergy and immunology, laboratory medicine and pathology, individualized medicine, neurosurgery, and ophthalmology. This team-based research helps support care for people whose nasal endoscopies are part of diagnosis, treatment planning, monitoring or follow-up. PublicationsSee a list of publications about nasal endoscopy by Mayo Clinic authors on PubMed, a service of the National Library of Medicine. Research Profiles Edit search filters close Narrow your search By location Arizona Florida Minnesota View all View all physicians • All Locations Divekar, Rohit D. M.B.B.S., Ph.D. Minnesota Donaldson, Angela M. M.D. Florida Eide, Jake G. M.D. Minnesota Marino, Michael J. M.D. Arizona O'Brien, Erin K. M.D. Minnesota Stokken, Janalee K. M.D. Minnesota By Mayo Clinic Staff Nasal endoscopy care at Mayo Clinic Request an appointment AboutCare at Mayo Clinic July 08, 2026 PrintShow references Rhinoscopy in your allergy practice. American College of Allergy, Asthma and Immunology. https://education.acaai.org/rhinoscopy. Accessed April 30, 2026. ARS Position Statement: Diagnostic nasal endoscopy — CPT 31231. American Rhinologic Society. https://www.american-rhinologic.org/index.php. Accessed April 30, 2026. Tichenor WS, et al. Nasal and sinus endoscopy for medical management of resistant rhinosinusitis, including postsurgical patients. Journal of Allergy and Clinical Immunology. 2008; doi:10.1016/j.jaci.2007.08.065. Nasopharyngeal carcinoma. Mayo Clinic. https://www.mayoclinic.org/diseases-conditions/nasopharyngeal-carcinoma/diagnosis-treatment/drc-20375535. Accessed April 30, 2026. Health Education & Content Services. MC6875: Your child's VPI exam. Mayo Clinic; 2024. Kliegman R, et al., eds. Sinusitis. In: Nelson Textbook of Pediatrics. 22nd ed. Elsevier; 2025. Bhattacharyya N. Nasal obstruction: Diagnosis and management. https://www.uptodate.com/contents/search. Accessed April 30, 2026. Keswani A, et al. Chronic rhinosinusitis: Clinical manifestations, pathophysiology and diagnosis. https://www.uptodate.com/contents/search. Accessed April 30, 2026. Dagan R, et al. Tumors of the nasal cavity. https://www.uptodate.com/contents/search. Accessed April 30, 2026. Rhinoscopy. Dorland's Medical Dictionary Online. https://www.dorlandsonline.com. Accessed May 13, 2026. Clinical indicators: Diagnostic nasal endoscopy. American Academy of Otolaryngology-Head and Neck Surgery. https://www.entnet.org/resource/clinical-indicators-diagnostic-nasal-endoscopy/. Accessed May 1, 2026. Francis HW, et al., eds. Cummings Otolaryngology: Head & Neck Surgery. 8th ed. Elsevier; 2026. https://www.clinicalkey.com. Accessed May 4, 2026. Goldman L, et al., eds. Approach to the patient with nose, sinus and ear disorders. In: Goldman-Cecil Medicine. 27th ed. Elsevier; 2024. https://www.clinicalkey.com. Accessed May 4, 2026. McCoul ED, et al. Nasal endoscopy: What have we been missing? International Forum of Allergy & Rhinology. 2024; doi:10.1002/alr.23394. Kim DH, et al. Usefulness of nasal endoscopy for diagnosing patients with chronic rhinosinusitis: A meta-analysis. American Journal of Rhinology & Allergy. 2020; doi:10.1177/1945892419892157. Endoscope. Dorland's Medical Dictionary Online. https://www.dorlandsonline.com. Accessed May 13, 2026. Rhinoscope. Dorland's Medical Dictionary Online. https://www.dorlandsonline.com. Accessed May 13, 2026. Nasoscope. Dorland's Medical Dictionary Online. https://www.dorlandsonline.com. Accessed May 13, 2026. Nasopharyngoscope. Dorland's Medical Dictionary Online. https://www.dorlandsonline.com. Accessed May 13, 2026. Gastroesophageal reflux disease (GERD). Mayo Clinic. https://www.mayoclinic.org/diseases-conditions/gerd/symptoms-causes/syc-20361940. Accessed June 5, 2026. Esophageal cancer. Mayo Clinic. https://www.mayoclinic.org/diseases-conditions/esophageal-cancer/diagnosis-treatment/drc-20356090. Accessed June 5, 2026. Expert opinion (medical review). Mayo Clinic. June 19, 2026. Related Nonallergic rhinitis Nasal endoscopyAboutDoctors&DepartmentsCare atMayoClinic PRC-20485358 Tests & Procedures Nasal endoscopy