St James, NY Dentist | Dentist in St James, NY

James F. Donahue, DDS
Michael E. Segnini, DDS

587 Lake Ave
St. James, NY 11780
(631) 584-5330


Friendly Staff.  Beautiful Smiles.  Welcoming Environment.   


587 Lake Ave
St James, NY 11780

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We are always welcoming new patients and we would love to have you as part of our dental family.  Please explore our web site to learn more about us.  You can find information about our staff, our office, and the procedures and services that we offer.

If you have any questions please call us.  We love hearing from our patients and anyone who may be interested in becoming one.

We’ll Provide You With That Winning Smile!

Send Us An Email Today!

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St James Dentist. Dr. James F Donahue Dr. Michael E Segnini provides Cosmetic Dentist, Sedation Dentistry, Dental Implants, Invisalign, Root Canal, White Fillings, Dental Crowns to the following locations: Nesconset, NY, Smithtown, NY, Setauket, NY, Stony Brook, NY.