Creating Beautiful Smiles in Lindenhurst, New York

Expert orthodontist Dr. Nissenbaum is proud to offer metal & ceramic braces, Invisalign, and early orthodontic treatment to patients in Long Island.

4.8/5.0 (Over 150 Reviews)

Your Journey to a Confident Smile Starts Here

At Lindenhurst Orthodontics, we’re here to help you achieve the bright, confident smile you’ve always wanted through personalized & high-quality orthodontic care. Dr. Mathew A. Nissenbaum provides expert treatment in metal & ceramic braces, Invisalign, surgical orthodontics, and dentofacial orthodontics.

Your smile matters to us as much as it does to you. Our team is dedicated to creating beautiful, lasting results for patients of every age, all in a space where you’ll always feel comfortable, supported, and genuinely welcome.

At Lindenhurst Orthodontics, your smile matters to us as much as it does to you. Our team is dedicated to creating beautiful, lasting results for patients of every age, in a space where you’ll always feel comfortable, supported, and genuinely welcome.

Patient-Centered Care

We treat every patient like family, providing orthodontic care rooted in genuine care & connection to help you get the most out of your treatment experience.

Treatment Designed for You

We customize every treatment plan to fit your unique needs, ensuring your care feels truly individualized. With our team, you’ll feel like the only patient in the room.

Commitment to Quality

Our team continually advances their skills through ongoing education and stays on the cutting edge of orthodontic treatments to provide you with the highest level of care.

Award-Winning Orthodontics in Lindenhurst

Lindenhurst Orthodontics is honored to be recognized as a top orthodontic practice. We were named The Best of Long Island Orthodontist in 2017 and have been proud nominees every year since.

We are deeply grateful to our amazing patients for your ongoing support. Your trust makes our success possible!

Meet The Doctor

Dr. Matthew Nissenbaum, DDS

Dr. Matthew Nissenbaum has been practicing orthodontics on Long Island for over 20 years, with more than 15 years at Lindenhurst Orthodontics. A passionate orthodontist, he takes great pride in every patient and the thousands of smiles he has helped create. His focus is always on achieving the best possible results while providing a positive, comfortable orthodontic experience.

A Long Island native, Dr. Nissenbaum graduated from Bellmore Kennedy High School in 1989 before earning a Bachelor of Science in Biology from the University of Maryland. He then received his DDS from SUNY Stony Brook School of Dental Medicine, where he earned numerous academic honors, including the Xi Psi Phi Fraternity award for the highest cumulative academic average over four years of dental school. Following dental school, he completed a three-year orthodontic residency at SUNY Stony Brook, earning his specialty certificate in orthodontics.

Outside the office, Dr. Nissenbaum enjoys spending time with his wife, two daughters, and their dog, Chilly. A devoted Yankees fan and music lover, he enjoys The Rolling Stones, as well as playing Scrabble, word games, and tackling jigsaw puzzles—many of which are proudly displayed on the walls at Lindenhurst Orthodontics!

Dr. Matthew Nissenbaum has been practicing orthodontics on Long Island for over 20 years, with more than 15 years at Lindenhurst Orthodontics. A passionate orthodontist, he takes great pride in every patient and the thousands of smiles he has helped create. His focus is always on achieving the best possible results while providing a positive, comfortable orthodontic experience.

What Our Patients Say

Explore Lindenhurst Orthodontics

Orthodontics Focused on Affordability

We know the cost of braces is an important consideration for all families, and we never want finances to stand in the way of orthodontic care.

Treatment fees vary patient-to-patient, so our team will review your options and create a payment plan that fits your budget with no surprises.

We accept most major orthodontic insurance plans and credit cards, and our team will handle claims and paperwork for you. If you have questions about coverage or costs, we’re always here to help make your experience simple and stress-free!

Serving Lindenhurst & Surrounding Areas

We proudly serve patients from Lindenhurst, Amityville, Copiague, Farmingdale, Massapequa, Babylon, West Babylon, West Islip, Melville, Dix Hills, and Plainview as well as from all across Long Island.

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