Comprehensive Dental Care - Homepage
Welcome to the Dental Practice of Dr. William Schlesinger
At the practice of Dr. William Schlesinger, we believe that great dentistry begins with communication, compassion, and a commitment to individualized care. Every visit is designed to be calm, informative, and comfortable, with plenty of time dedicated to understanding your needs and answering your questions.
With decades of clinical experience and a reputation for gentle, meticulous care, Dr. Schlesinger brings a thoughtful approach to every patient interaction. His philosophy is simple:
Treat every patient with the same attention and respect he would want for himself or a family member.
After more than 20 years practicing on Manhattan’s Upper East Side, Dr. Schlesinger now brings that same level of expertise, precision, and personal attention to patients on Long Island.

Our Approach to Care
We take pride in providing dentistry that is:
Thorough and precise
Calm, unrushed, and patient-centered
Clear and honest in explanation
Comfort-focused for every procedure
Focused on long-term oral health and prevention
Whether you’re here for routine care, restorative treatment, or an urgent concern, you’ll receive individualized attention and exceptional clinical quality.
Services We Provide
Our comprehensive dental services include:
Preventive care
Dental cleanings and exams
Fillings
Crowns and bridges
Restorative treatment
Emergency evaluations
You can learn more on our Services page.
New Patients Welcome
We welcome patients who are seeking a dentist who values clarity, comfort, and high-quality care. Your first visit includes a thorough assessment and the time needed to fully understand your oral health and treatment options.
Visit our New Patients page for what to expect.
Insurance & Billing
We work with a variety of dental insurance plans. We will help determining how your specific plan works in our practice and review your insurance information to provide a clear explanation of your benefits and any expected costs.
If you have questions about how your benefits apply, we are happy to review your plan information and explain what to expect.
Contact Us
If you’d like to schedule an appointment or have any questions, please feel free to reach out.
📍 400 Townline Road, Hauppauge, NY 11788
📞 (917) 364-8773
📧 wsddsofficemanager@gmail.com
We look forward to caring for you.