Our Approach

Gary L. Sandler, DDS

Gary L. Sandler, DDS

Dr. Sandler graduated in 1971 from New York University College of Dentistry with top honors including the highest scholastic and clinical average out of the 175 students. He achieved numerous prestigious awards. Among those honors, he was inducted into Omicron Kappa Upsilon, a National Honorary Dental Society, which honors those individuals with the highest scholastic achievement and exemplary traits of character. He served his community as a dental resident at Booth Memorial Hospital in Queens, New York (now New York-Presbyterian Queens) and continued thereafter as an Instructor. He has had over 35 years of experience solving difficult and comprehensive dental problems. He has extensive experience in Cosmetic and Restorative Dentistry, Periodontal Surgery, Endodontics, Oral Surgery, and Pedodontics or Children's Dentistry, Implant Restorations and Full Mouth Reconstructions.    Learn more about Dr. Sandler

Bonnie E. Lipow, DDS

Bonnie E. Lipow, DDS

Dr. Lipow graduated from The Medical College of Virginia, School of Dentistry in 1984. She completed her General Practice Residency education at Stony Brook University Hospital in 1985. After completing her residency, she was appointed a Clinical Assistant Professor where she supervised the dental residents. In 2003 she was appointed a Clinical Assistant Professor at the Stony Brook School of Dental Medicine, and is currently a Clinic Director where she supervises all aspects of patient care. She also teaches several courses, participates in numerous committees, and is a trusted lecturer to her colleagues and dental students.

Having over 25 years' experience, she has treated a multitude of extensive and complicated dental problems with patience and compassion. She is committed to achieving the utmost aesthetics and excellence for her patients. Her patients greatly appreciate both her skill and chair-side manner.  Learn more about Dr. Lipow


Our Story

Cheryl-Dental Hygienist


Registered Dental Hygienist

Cheryl has been our dental hygienist for over twenty-five years and is considered by all extremely professional, caring, friendly and dedicated to her patient's needs. She is so proficient, skilled and dedicated to providing optimal care to our patients, that Dr. Sandler and Dr. Lipow are always telling her that she is talented enough to be a dentist herself. Over the course of her career, Cheryl has built countless trusting and long-lasting relationships with her patients.

Ana-Dental Assistant


Dental Assistant

Ana was a practicing dentist in her home country of El Salvador and would like one day to be a licensed  dentist here in the United States.  She always has a smile on her face, is extremely qualified, compassionate and highly professional.  She is proud to be given the opportunity to assist Dr. Sandler and Dr. Lipow provide quality dental care and patient comfort using the latest techniques that modern dentistry offers.

Our Staff

Our office is continually reviewing and updating the latest methods and dental technology to ensure that we provide our patients with the best dentistry. Our entire staff joins us in treating all our patients as family. They are friendly, knowledgeable, and highly proficient in their professional duties. We are always there to try to exceed your expectations.  Should you have any questions or concerns before, during, or after a visit to our office, just ask Dr. Sandler or Dr. Lipow, or one of our staff members. We are always ready to address all your needs. 

Long Island Cosmetic Dentists

Gary L. Sandler, DDS & Bonnie E. Lipow, DDS

886 W Jericho Tnpke

Smithtown, NY 11787