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Welcome to

KleinROCK Orthodontics

Here at Kleinrock Orthodontics, we will work hard using the latest technology and innovations to ensure that no matter what the occasion; school pictures, prom, first date, wedding day, job interview, or even that crucial selfie, your confidence with shine through with that perfect smile. We pride ourselves in providing a personalized experience for each one of our patients. We understand that your schedule is busy and we want to make your entire visit as comfortable, efficient, and convenient as possible. With our location in Hewlett, it make us accessible to orthodontics patients in Woodmere, Lawrence, Oceanside NY, Five Towns, Valley Stream, Cedarhurst, Rockville Centre, and Lynbrook.

Why Us?

At Kleinrock Orthodontics, our team is committed to one thing: helping you achieve a beautiful smile while offering you a great experience. Thirty years in practice and utilizing the latest technology facilitates achieving this outcome. Flexible financial arrangements such as small down payments, third-party financing, extended payment plans, and acceptance of insurance plans for partial payment make it easy to fit orthodontic care into your budget. We offer ease of scheduling with appointments available six days a week, early in the morning, late in the evening, and during the weekends. We are located in Hewlett. If you’re looking for an orthodontist in Five Towns, Valley Stream, Cedarhurst, Rockville Centre, Lynbrook, Woodmere, Lawrence, or Oceanside NY, we are your choice. Our friendly and helpful staff look forward to meeting you and getting you started on your voyage toward a healthier life and a more confident smile.

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Dr. Kleinrock

The Doctors

Dr. Seth Kleinrock started Kleinrock Orthodontics 25 years ago and was joined by Dr. Irene Zeppieri in 2002. Combined, they have 43 years of experience serving the South Shore of Long Island. Utilizing the latest technology including digital scanning, Invisalign, and self-ligating brackets, we strive to give our patients the smile they have always dreamed about. Dr. Kleinrock is proud to be amongst the top 1% of Invisalign providers in the US. Dr. Zeppieri’s research has been published in the American Journal of Orthodontics. It is easy to see that Dr. Zeppieri and Dr. Kleinrock are your best choice for an orthodontist in Woodmere, Lawrence, Oceanside NY, Five Towns, Valley Stream, Cedarhurst, Rockville Centre, Lynbrook, and surrounding areas.

Dr. Zeppieri

Patient Reviews