Patient Portal 
Andrew Marlowe, MD
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Dr. Andrew Marlowe is a board-certified otolaryngologist specializing in adult and pediatric otology, neurotology (ear super specialist) and general otolaryngology.
Dr. Marlowe received his medical degree from the Medical College of Pennsylvania before completing a surgical internship there. He was granted an auditory electrophysiology research fellowship at Temple University´s Garfield Auditory Research Laboratory, where he also completed a surgical residency. Dr. Marlowe received post-graduate training in craniofacial/skull base surgery at the Center for Head and Neck Surgery at Presbyterian-St. Luke’s Medical Center. He was also granted an otology/neurotology fellowship at the Dallas Foundation of Otology.
Dr. Marlowe was appointed assistant professor of otolaryngology surgery at Hahnemann University of the Health Sciences in Philadelphia, which is now known as Drexel University College of Medicine. He was later appointed assistant professor of otolaryngology surgery and director of neurotology for State University of New York at Buffalo. As an assistant professor, he also served as a full-time surgical instructor.
Outside of the office, Dr. Marlowe enjoys spending time with his wife and three children, going to the movies, driving high-performance automobiles and playing with any kind of gadget or high-tech toy.
For more information please visit https://www.marlowemd.com.
Dr. Marlowe currently sees patients in our Sarasota Office. If you are interested in making an appointment with Dr. Marlowe or would like additional information about our practice, please contact our Sarasota office at 941-379-3277.
David Eleff, MD
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Dr. David Eleff graduated Summa Cum Laude with a Bachelor of Science from Excelsior College. He went on to earn his medical degree from Case Western Reserve University School of Medicine in Cleveland, Ohio, where he was honored with induction into the prestigious Alpha Omega Alpha (AOA) Medical Honor Society. He then completed a rigorous five-year residency in Otolaryngology – Head and Neck Surgery at a Level I trauma center at the University of Miami, gaining extensive experience in both routine and complex ENT care. He capped his training off with a final year serving as chief resident in charge of ensuring rigorous research and academic excellence amongst the entire department.
Beyond his medical career, Dr. Eleff is a proud father of four, a passionate tennis player, and a self-proclaimed steak master. His greatest professional passion lies in delivering exceptional, patient-centered care. He is committed to simplifying the healthcare experience and restoring humanity to medicine treating each patient with the same dedication and respect he would offer his own family.
For more information please visit https://www.entfamily.com/.
Dr. Eleff currently sees patients in our Hollywood Office. If you are interested in making an appointment with Dr. Eleff or would like additional information about our practice, please contact our Hollywood office at 754-888-1368.
Davis Aasen, MD
Dr. Davis Aasen is a South Florida transplant, having grown up in the greater Atlanta area. There, he earned a degree in biomedical engineering from the Georgia Institute of Technology, graduating summa cum laude. He then attended the University of Colorado School of Medicine, where he graduated with honors and was enrolled in AOA. Subsequently, he completed his residency in Otolaryngology – Head and Neck Surgery at the University of Connecticut.
Dr. Aasen has dedicated himself to clinical and research excellence, resulting in over 10 peer-reviewed publications, including works in the International Forum of Allergy and Rhinology and Surgery. This is in addition to numerous abstracts and presentations at national meetings. In recognition of his achievements, he has received several national and local awards, including the American Academy of Otolaryngology’s Resident Leadership Grant, the University of Connecticut Resident Teaching Award, and multiple research scholarships.
Dr. Aasen combines his engineering background with cutting-edge medical training to provide thoughtful, patient-centered treatment plans.
At home, Dr. Aasen enjoys exploring South Florida with his wife and three sons and spending time in his parish community.
Dr. Aasen’s areas of expertise include:
- Chronic Sinusitis and Advanced Endoscopic Sinus Surgery
- Deviated Septum, Turbinate and Nasal Airway Surgery
- Adult and Pediatric General Ear, Nose and Throat Medical and Surgical Care
- Head and Neck Cancer Surgery
- Thyroid and Parathyroid Surgery
- Respiratory Allergy Testing and Treatment
- Sudden Hearing Loss
- Hearing Amplification Devices (Hearing Aids)
- Hypoglossal Nerve Stimulator Implantation (Inspire® Implant)
- Balloon Sinuplasty
- Eustachian Tube Balloon Dilation
Dr. Aasen currently sees patients in our East Boca Raton and Boca Glades West office locations. If you are interested in making an appointment with Dr. Aasen, or would like additional information about our practice, please contact our East Boca Raton office at 561-955-1955 or our Boca Glades office at 561-391-3333.
Nathanael Nickel, MD
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Dr. Nickel joined ENTAAF in 2025 after serving in the United States Air Force for 4 years at Eglin Air Force Base. He completed his undergraduate training at Southern Methodist University with a bachelors in mechanical engineering and following this attended medical school at the University of Texas Medical Branch. He completed his residency training at the University of Florida in 2021 and has been proud to call Florida home for the last 9 years. Dr. Nickel is board certified in Otolaryngology and is a member of the Emerald Coast Medical Association. Some of Dr. Nickel’s areas of areas of interest include:
- General otolaryngology, including pediatric conditions
- Sinus disease treatment, traditional and balloon techniques
- Chronic rhinitis
- Nasal airway surgery
- Thyroid and parathyroid surgery
- Voice and swallowing disorders
- Hearing loss, tinnitus and vertigo
- Benign and malignant lesions of the head and neck
- Salivary gland disorders and masses
Outside of work he is an avid outdoorsman and enjoys classic cars and acquiring new languages.
Dr. Nickel currently sees patients in our Panama City - Gulf Coast Facial Plastics & ENT Center office. If you are interested in making an appointment with Dr. Nickel, or would like additional information about the practice, please contact our Panama City office at 850-784-7722.