Meet The Doctors

Alvyn S. Yeoh, D.D.S.

Alvyn S. Yeoh, D.D.S.

Dr. Alvyn S. Yeoh is a graduate of the University of the Pacific's six year accelerated Bachelor's and Doctor of Dental Surgery program. He received his B.S. degree in Biological Sciences in 2007 and D.D.S. in 2010.

Dr. Yeoh completed his residency in General Practice Dentistry from Jacobi Medical Center in the Bronx, N.Y. in 2011. He then completed his Chief Residency at St. Barnabas Hospital GPR program in N.Y. in 2012.

Dr. Yeoh is now part of the Medical Staff at St. Barnabas Hospital Department of Dentistry. One of his passions is pediatric dentistry!

Born in Acton, M.A., Dr. Yeoh grew up on both coasts of the United States and the Asian Pacific Rim, including Malaysia, Taiwan and Singapore. He is fluent in Mandarin Chinese.

When not bound by his duties at the office or at the hospital, Dr. Yeoh can be found traveling and exploring with his wife Kathleen. 

Soon Kwon, D.M.D.S Kwon

Dr. Soon “Kat” Kwon is a Board-Certified Pediatric Dentist. Dr. Kat completed her undergraduate education at the University of Georgia, where she earned a B.S. in Biology with Honors. After graduating, she earned a D.M.D. degree at the Dental College of Georgia and continued onto complete a dental specialty in Pediatrics at Cincinnati Children’s Hospital Center.  

Currently, Dr. Kat is an Associate Director in Advanced Education in Pediatric Dentistry at BronxCare Hospital System. Dr. Kat has participated in dental mission trips to Mexico, Bulgaria, and Nicaragua. She maintains active memberships in American Academy of Pediatric Dentistry, American Board of Pediatric Dentistry, American Dental Association, New York State Dental Association, and Bronx County Dental Society. She is also a Fellow of American Academy of Pediatric Dentistry (FAAPD). 

Dr. Kat currently lives in the Upper East Side with her husband and 4-year-old daughter. Her goal is to treat all patients as her own and to foster a positive and fun experience for her patients. 


Jack T. Newton, D.M.D. 

Dr. Jack Newton is proficient in all aspects of general dentistry.  Dr. Newton completed his undergraduate education at the University of Delaware, where he earned a B.S. in Kinesiology and Applied Physiology and served as president of the rugby club. 

Dr. Newton received his D.M.D. from the Boston University School of Dental Medicine graduating Magna Cum Laude. He completed his residency in General Practice Dentistry at St. Barnabas Hospital in the Bronx, N.Y, where he was named resident of the year.  

Dr. Newton maintains active memberships in the American Academy of General Dentistry, American Dental Association, New York State Dental Association, and the American Academy of Implant Dentistry. 

Dr. Newton grew up in Rye, New York and currently lives in Stamford.  In addition to dentistry, he enjoys attempting golf and cheering for the NY Yankees, Rangers and Giants.  

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Southport Smiles Cosmetic And Family Dentistry


8:00 am-5:00 pm


8:00 am-5:00 pm


8:00 am-5:00 pm


8:00 am-5:00 pm


7:00 am-4:00 pm


8:00 am-1:00 pm

Offered Once a Month