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Meet Our Providers

The physicians at North Atlanta Ear, Nose, Throat, and Allergy have been providing exceptional ENT and Facial Plastic Surgery care to Alpharetta, Cumming, Dawsonville, and surrounding areas for 25 years.

Our providers and support staff members take pride in offering full-service ear, nose, throat, allergy, and sinus treatments to address a wide range of conditions.

Mark B. Van Deusen, MD-headshot-in-circle-shape

Mark B. Van Deusen, MD

Hafiah Eltahir, DO Headshot-circle-shape

Hafiah Eltahir, DO

Preston Imhof, DO Circle Headshot

Preston Imhof, DO

Stephen White, MD Headshot Circle

Stephen White, MD

Dr-natalie-Sciarrino-provider-photo-circle

Natalie Sciarrino, MD

Dr-Joseph-Sciarrino-provider-photo-circle

Joseph Sciarrino, MD

Circular-headshot-of-dr-reid

Lauren Reid, MD

Headshot Of Avery Jeffreys-PA-C Circle Shape

Avery Jeffreys-PA-C

Sally Sfeir, PA-C

Hiral Patel, PA-C

Dr. Mark B. Van Deusen is trained in all aspects of otolaryngology and sees patients in both Alpharetta and Cumming. His passion for practicing otolaryngology is evident in his many interests. He enjoys treating patients with sinus disease, nasal obstruction, and allergies. When medical management fails, Dr. Van Deusen is skilled in endoscopic sinus surgery, Septoplasty, and rhinoplasty techniques. In some cases, Dr. Van Deusen is able to perform in-office sinus procedures to improve sinus drainage and improve nasal breathing. Read More about Dr. Mark B. Van Deusen.

Dr. Hafiah Eltahir is a distinguished professional with an extensive background in Otolaryngology-head and Neck Surgery. Born and raised in Birmingham, Alabama, she graduated from the University of Alabama and attended the Alabama College of Osteopathic Medicine. Her medical school accomplishments include induction into the Sigma Sigma Phi Honor Society and receiving the Dean’s Award. She underwent rigorous surgical training at Rutgers New Jersey Medical School, garnering expertise in all areas of Otolaryngology. Her practice focuses on treating patients with obstructive sleep apnea (OSA), for which she is certified in Inspire implantation surgery. Dr. Eltahir plans to start an Inspire sleep program at North Atlanta ENT and Allergy. Currently, she is excited to serve both adult and pediatric patients in the metro-Atlanta area.

Dr. Preston Imhof, a board-certified Otolaryngologist specializing in head and neck surgery, has comprehensive expertise in all aspects of general Otolaryngology. His primary areas of focus include sinus disease, sinus surgery, nasal conditions and allergies. Depending on the complexity and severity of the medical condition, he can conduct in-office procedures such as balloon sinuplasty for enhanced sinus drainage, and various other methods to improve nasal respiration.

Dr. Stephen White is a board‑certified otolaryngologist and sleep medicine specialist from Roswell, Georgia. A summa cum laude graduate of the University of Georgia and the Medical College of Georgia, he completed his residency in otolaryngology at the University of Tennessee Health Science Center and a fellowship in sleep medicine and surgery at Thomas Jefferson University. Dr. White specializes in the comprehensive treatment of obstructive sleep apnea (OSA), including CPAP optimization, surgical options and Inspire hypoglossal nerve stimulator implantation, while also providing full‑spectrum ENT care. He is a member of the American Academy of Otolaryngology, the International Surgical Sleep Society, and the American Academy of Sleep Medicine.

Dr. Natalie Sciarrino, MD, FAAOA is a board‑certified otolaryngologist and Fellow of the American Academy of Otolaryngic Allergy. A graduate of the University of Richmond and SUNY Upstate Medical University, she completed her residency in otolaryngology–head and neck surgery at Thomas Jefferson University, where she was inducted into the Gold Humanism Honor Society. Dr. Sciarrino practices the full spectrum of ENT care, with special interests in pediatrics and allergy, and is known for her compassionate, patient‑centered approach.

Dr. Joseph Sciarrino, MD, FAAOA is a board‑certified otolaryngologist specializing in ear, sinus and allergy care. A summa cum laude graduate of both Cornell University and SUNY Upstate Medical University, he completed his residency in otolaryngology at Thomas Jefferson University Hospital and advanced fellowship training in otology under Dr. Michael Teixido. As a Fellow of the American Academy of Otolaryngic Allergy, Dr. Sciarrino is dedicated to providing comprehensive ENT care, with a special focus on sinus, allergy and ear disorders.

Starting this October, Alpharetta native Dr. Lauren Reid joins the NAENTA team. A graduate of UGA and the Medical College of Georgia, Dr. Reid completed her residency at the University of Tennessee with specialized training at St. Jude and LeBonheur Children’s Hospital. She provides full-spectrum ENT care for all ages, with a particular interest in pediatric otolaryngology, nasal disorders, and minimally invasive salivary gland surgery.

Avery Jeffreys is a board-certified Physician Assistant dedicated to providing compassionate, evidence-based care to the North Atlanta community. A graduate of the University of Georgia and South College, she emphasizes patient education and individualized treatment plans to support her patients’ overall well-being. Outside of the clinic, the Canton native enjoys staying active with yoga and pilates and cheering on the UGA Bulldogs and Atlanta Braves.

Sally Sfeir is a Physician Assistant Specialist in Georgia. She graduated with honors in 2018. Having more than 2 years of diverse experiences, especially in PHYSICIAN ASSISTANT, Sally Sfeir affiliates with Northside Hospital Atlanta, and cooperates with many other doctors and specialists in medical group Northeast Georgia Physicians Group – Urgent Care. Read more about Sally Sfeir

Hiral Patel recently joined NAENT & Allergy in 2019 to continue providing her patients of all ages, the care and comfort of meaningful medicine. Her passion is driven by the bond she builds with her patients and the enjoyment she holds in keeping them healthy and well. Hiral was elected as one of the top midlevel providers in Best of Forsyth 2019. She is a member of both the American Academy of Physician Assistant and Georgia Association of Physician Assistants. Read more about Hiral Patel

Audiology Providers

Mackenzie Chambers, AuD., CCC-A-profile-photo-circle

Mackenzie Chambers, AuD., CCC-A

Kathryn Ferreira, Au.D., CCC-A-circle-headshot

Kathryn Ferreira, Au.D., CCC-A

Laura M. Genone, Au.D, CCC-A-circle-headshot

Laura M. Genone, Au.D, CCC-A

Katherine H. Mawhinney, Au.D, CCC-A Circle Headshot

Katherine H. Mawhinney, Au.D, CCC-A

Mackenzie Chambers, Au.D., CCC-A, specializes in diagnostic audiological evaluations and advanced hearing aid fittings for patients of all ages. An Auburn University graduate, she is committed to delivering evidence-based care tailored to each individual’s lifestyle. Originally from Georgia, Mackenzie joined our team in 2026.

Kathryn Ferreira, Au.D., CCC-A, is a Georgia-licensed audiologist specializing in diagnosing and managing hearing loss and fitting hearing aids. She is dedicated to patient-centered care and improving communication and quality of life using the latest hearing healthcare advancements. Dr. Ferreira earned her Doctorate of Audiology from the University of South Florida and joined North Atlanta ENT and Allergy in 2025.

Laura M. Genone, Au.D, CCC-A, is a licensed audiologist with over 25 years of experience, specializing in pediatric and adult audiology. She holds a Doctor of Audiology degree from the University of Tennessee and is passionate about early hearing loss intervention and personalized care. Dr. Genone has worked in diverse clinical settings and is dedicated to helping patients of all ages improve their hearing and communication.

Katherine H. Mawhinney, Au.D., CCC-A joined North Atlanta ENT and Allergy in 2021. She specializes in diagnostic audiology for all ages and hearing aid services for adults. Dr. Mawhinney is committed to improving her patients’ quality of life through personalized, patient-centered care.

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