Smile Dentist, P.C.
Formerly Sobel, Marmor, Fisher LLP
Patients Love Coming to our Offices

Doctors' Profiles


Dr. Steven Fisher graduated from Case Western Reserve University School of Dental Medicine.  He received a Master's Degree in Orthodontics and a certificate in Orthodontics from the University of Detroit/Mercy Dental School.  Dr. Fisher is Invisalign® and ClearCorrect® certified. Featured in Hudson Valley Magazine top dentist  issues 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020 , 2021,2022 and 2023. Hudson Valley Parent Magazine Favorite Docs 2014-2015 and 2017 Times Herald Record Reader's Choice Winner  Best Orthodontist.

Dr. Sam Na graduated from the Columbia University College of Dental Medicine and went on the complete a General Practice Residency at New York Presbyterian Hospital. He then practiced in Manhattan until moving to our area. His calm demeanor along with his friendly personality are an asset to our practice. Featured in Hudson Valley Magazine top dentist issue 2022 and 2023.

Dr. May Lynn Siu graduated from the Columbia University College of Dentistry and completed her Pediatric Dental Residency at Yale New Haven Hospital. She is a Diplomate of the American Board of Pediatric Dentistry  is very personable and has a desire to provide patient-centered care.

Dr. Clayton Hise graduated from Fairleigh Dickinson University Dental School and completed his Oral Surgery Residency at Lincoln Hospital, an affiliate of Albert Einstein College of Medicine of Yeshiva University. Dr. Hise maintained a private Oral Surgery practice in the Hudson Valley for many years before joining our practice.