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Our Mission and Philosophy

At NSIBR, our mission is to deliver evidence-based, personalized care that restores healthy breathing and improves overall wellness. We believe every patient deserves treatment designed around their anatomy, lifestyle, and goals, not a one-size-fits-all approach.

Our philosophy is simple: Combine precision medicine with personalized care to achieve the best outcomes with the least disruption to daily life. That dedication to individualised treatment has made NSIBR one of South Florida’s most trusted ENT practices, where innovation and compassion go hand in hand.

Leading ENT Surgery, Since 1987

Since 1987, the Nose and Sinus Institute of Boca Raton has been setting benchmarks in ENT and facial surgery. Our physicians were among the first in the United States to perform stereotactically guided sinus surgery and balloon sinuplasty, now considered the standard of care worldwide.

Today, our team continues to pioneer new frontiers in nasal, sinus, and airway surgery while training other specialists across the nation. With over three decades of experience, NSIBR remains a center of excellence in advanced, minimally invasive procedures.

Meet Our Specialists

  • Dr. Nathan Nachlas, MD photo

    Dr. Nathan Nachlas, MD

    A renowned pioneer in nasal and sinus care techniques, Dr. Nachlas combines double board certification with decades of expertise to deliver advanced solutions for improved nasal health.

    Dr. Nachlas’ Bio
  • Dr. Melyssa Hancock, MD photo

    Dr. Melyssa Hancock, MD

    A global expert in sleep apnea treatments, Dr. Hancock’s groundbreaking work ensures patients achieve better health and restful nights through advanced care options.

    Dr. Hancock’s Bio
  • Dr. Jaclyn Klimczak, MD photo

    Dr. Jaclyn Klimczak, MD

    Dedicated to both functional and aesthetic outcomes, Dr. Klimczak uses her fellowship training and experience to restore nasal balance and confidence in every patient she treats.

    Dr. Klimczak’s Bio
  • Dr. Diana del Valle, MD photo

    Dr. Diana del Valle, MD

    With extensive expertise in nasal health, Dr. del Valle specializes in addressing complex conditions with empathy to help pediatric and adult patients breathe easier and feel their best.

    Dr. Del Valle’s Bio
dr-hancock-patient-reviewing-surgery-results-in-the-mirror

What Sets NSIBR Apart?

At NSIBR, expertise and empathy work hand in hand. Our patients trust us because we deliver real results, safely, thoughtfully, and consistently.

Here’s what makes us unique:

  • Over three decades of pioneering ENT excellence
  • Board-certified experts in nasal, sinus, and facial surgery
  • State-of-the-art technology for precision diagnostics and treatment
  • Minimally invasive, patient-focused care
  • Aesthetic and functional expertise under one roof
  • A legacy of innovation and education in the ENT community

Our Key Services

Aesthetic Nose Procedures

Experience renewed confidence with results that look beautifully natural. Our facial plastic and ENT specialists combine artistry with advanced medical skill to refine nasal aesthetics while preserving or improving function. Each procedure is designed to enhance harmony and help patients look and feel their best.

Our Aesthetic Services Include:

  • Rhinoplasty – Refine shape and proportion for a balanced, natural look.
  • Revision Rhinoplasty – Correct or enhance previous results with expert precision.

Comprehensive Nasal Function & Airway Care

Healthy breathing supports every aspect of well-being. Our specialists use a total-nose approach to treat nasal obstruction, sinus disorders, and airway blockages, combining advanced diagnostics with minimally invasive procedures for lasting relief.

Functional & Reconstructive Procedures:

What Our Patients Say

5 STAR RATINGS

Google Reviews
  • 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 starstarstarstarstar

  • 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 starstarstarstarstar

  • 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.

    Dee starstarstarstarstar

  • 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 starstarstarstarstar

  • 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 starstarstarstarstar

  • 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.

    Dee starstarstarstarstar

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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
MELYSSA M. HANCOCK, M.D.

MELYSSA M. HANCOCK, M.D.

Dr. Melyssa Hancock is a board-certified otolaryngologist and fellowship-trained rhinologist at Northside Institute of Balloons and Rhinology. She specializes in advanced medical and surgical treatments for sinus, nasal, and skull base disorders.

Learn More About Dr. Hancock

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