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Meet Our Physicians

  • Dr. Nathan Nachlas, MD

    Educated at the prestigious Yale University, Dr. Nachlas is the president of ENT and Allergy Associates of Florida. He is also the Medical Director at our facility. He specializes in minimally invasive nose and sinus surgeries.

    Dr. Nachlas' Bio
  • Dr. Melyssa Hancock, MD

    Dr. Hancock is very familiar with head and neck surgeries after completing a five-year surgical residency at Georgetown University Hospital. She is double board-certified and has also trained under leading facial plastic surgeons in the industry. Dr. Hancock’s specialties are rhinoplasty, otoplasty, and chin implants.

    Dr. Hancock's Bio
  • Dr. Jaclyn Klimczak, MD

    Dr. Klimczak is a fellowship-trained facial plastic surgeon practicing in Boca Raton who specializes in reversing facial aging procedures as well as reconstructive surgery. She is well trained in facelifts, necklifts and brow lifts, as well as skin cancer reconstruction.

    Dr. Klimczak's Bio
  • Dr. Diana del Valle, MD

    Coming from private practice in Boca Raton, Dr. del Valle is our expert in medical treatments concerning ear, nose, and throat conditions. She works with both pediatric and adult patients at our facility. Dr. del Valle is also fluent in Spanish and proficient in Portuguese!

    Dr. Del Valle's Bio

Total Nose Approach™

Breathe Beautifully

The Total Nose Approach™, a concept that our physicians coined over three decades ago, derives from the ability to take care of even the most severe functional issues of the nose and sinuses in minimally invasive fashion, so that the aesthetic aspects of the nose can be addressed if necessary at the same time. So often the two go hand in hand.

Physicians Dr. Nachlas and Dr. Hancock at the Nose and Sinus Institute of Boca Raton have the absolute most experience with the Total Nose Approach™ in the world.

Cosmetic Procedures

As we age, our skin loses elasticity, wrinkles develop, and facial tissue loses its youthful fullness. This process can start as early as our 20s. Women and men today have more options than ever for delaying this aging process. Double board-certified Facial Plastic Surgeon Dr. Hancock and Fellowship-trained Facial Plastic Surgeon Dr. Klimczak of Boca Raton, Florida perform a wide range of non-surgical and surgical facial procedures to rejuvenate your cosmetic concerns and reveal a vibrant, rejuvenated look.

Dr. Hancock and Dr. Klimczak stress natural and subtle cosmetic procedures, which enhance rather than change one’s appearance. They have years of training and experience in facial plastic surgery and utilize the most advanced techniques for creating natural-looking results. Dr. Hancock and Dr. Klimczak will work closely with you to determine the best treatment options for your personal concerns.



  • I drove three hours to meet Dr Hancock and have her operate on my nose. Her expert care and staff helped my through a difficult experience I’m having. The entire staff and office staff are nice caring and really professional. I’m so blessed to be in their care.

    Robert Edlow

  • Very knowledgeable doctors that helped me with all my sinus and nasal issues. Dr. Nachlas and Hancock are really the best at what they do and happy I found this place. Also Sandy was so nice and walked through everything in detail each step of the way. Will certainly recommend to others!

    Koral Duygulu

  • My experience was great from start to finish. The entire staff was very professional and helpful. Dr. Nachlas is best at what he does. I can actually breath better and feel more energetic through out the day. My sleeping has improved as well.



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Take charge of your life today! Call us or submit an online form, and you will be speaking with one of our talented surgeons in no time.

(561) 939-0900


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