Trusted ENT Doctor in Frederick, MD

Also Serving the Mt. Airy, MD, Area

The otolaryngologists of Frederick ENT Group offer treatment of diseases and disorders of the ear, nose and throat. We treat the full range of complaints and disorders, from ear wax removal to head and neck cancer. Our medical practice has been serving patients since 1990, and our physicians and audiologists have the highest level of training to offer the highest level of care to our patients.
Patients of our ENT doctor in Mt. Airy, MD

Most Common Conditions We Treat Include:

• Ear Infections
• Hearing Loss
• Sinusitis
• Head and Neck Cancer
• Hoarseness
• Nasal Obstruction
• Tonsillitis
• Snoring
• Thyroid Disease


About Us
Frederick ENT Group was founded by R. Kirk Jackson, M.D. in 1990. Dr. Jackson is an AOA graduate of the University of Virginia School of Medicine in 1985 and is board certified in otolaryngology. John C. Yoon, M.D., is an AOA graduate of the University of North Carolina School of Medicine in 1998 and is board certified in otolaryngology. He joined Frederick ENT Group in 2003. Our staff includes two audiologists, Cathy Fleschner, with a Doctor of Audiology (Au.D) from Salus University, and Lori Alessi, with a Master's degree in audiology from The Pennsylvania State University.
Contact us to schedule an appointment: (301) 698-2440.
To save time, you can download and print our office forms to complete before your visit.

Patient Forms

Hours of Operation: Monday–Friday, 8:30 a.m.–5:00 p.m.

Associations & Memberships:
American Academy of Otolaryngology - Head & Neck Surgery  |  American Medical Association