Dr. Vellanki has received her DMD with honors from prestigious Rutgers School of Dental Medicine, New Jersey. She is proficient in all areas of dentistry. She empathizes with her patient’s concerns and strives to provide the information needed to help you make a good decision about the treatment and care prescribed. She has also developed a particular affinity for working with children who find her warm, friendly and accessible.

Dr. Vellanki attributes her expertise in performing state-of-the-art dental procedures to her lifelong love of learning. She keeps her knowledge up to date with the latest and best dental technologies and advancements. With her advanced dental training, Dr. Vellanki has enhanced the smiles of many satisfied patients.

Outside of the office, she enjoys spending time with her husband and 2 kids, traveling, and photography.

Dr. Sujani Vellanki has advanced training in Cosmetic Dentistry, Lumineers and she’s certified in Laser Dentistry.


  • DMD – Doctor of Dental Medicine from University of Medicine and Dentistry of New Jersey (Rutgers School of dental Medicine), Newark, NJ.
  • BDS – Bachelor of Dental Surgery from Oxford Dental College, Bangalore, India.

Professional and Other Memberships:

  • American Dental Association
  • Academy of General Dentistry
  • Massachusetts Dental Society
  • Spear Education
  • Denmat Lumineers provider


Monday through Thursday and pre-arranged Saturdays

Dr. Kai Gao – Dentist

Dr. Kai Gao graduated with a DMD degree from Boston University School of Dental Medicine. He also holds a Masters degree from University of British Columbia in Vancouver, Canada.

Dr. Gao has made great efforts to update his knowledge during past years and obtains extensive experience in all aspects of General Dentistry including complicated extractions, Root Canal Treatment, Orthodontics and Implant Dentistry. Each patient has unique dental needs. The objective of Dr. Gao’s service is to provide high-quality customized dental care in a gentle manner.

Dr. Gao is an active member of the American Dental Association (ADA) and Massachusetts Dental Society (MDS).

In the doctor’s spare time, he enjoys spending time with his wife and 2 kids, as well as swimming and running.

Our Staff

Daliana Kosmalski – Office Manager

Daliana joined New Horizons Family Dental in 2009 and she brought 10 years of experience in customer service and business management with her. She is fluent in Portuguese, Spanish and English, so it is common to see her speaking more than one language all around the office. Daliana got her degree in Foreign Trade and feels very comfortable when working in a multicultural environment.

Peggy Leblanc – Dental Assistant

Our Registered Dental Assistant, Peggy, studied at Community College of Rhode Island and has over 22 years of experience. Outside of work, she enjoys walking, spending time with family, swimming, reading and gardening.

Tiffany Lorentzen – Dental Hygienist

Tiffany has been a Dental Hygienist for 14 years, she graduated from Cape Cod Community College in 2006. She was top of her class on the Deans list, National Honor Society and finished with a 3.8 GPA. Prior to becoming a Hygienist she practiced in a multi specialty office for 5 years as a dental assistant. Outside of work, Tiffany loves spending time with her family (she has 2 boys age 9 and 4). She also likes to spend time outside running, swimming

Kayla Riel – Dental Assistant

Kayla has 1.5 years of experience in the dental field and graduated of Quinsigamond Community College. Outside of work she enjoys baking, reading, and spending time with her friends & family.

Yessenia Benitez – Insurance Coordinator

Yessenia has 5 years of experience on the dental field. She got her Bachelors in Hospitality Management from Newbury College. When outside of work enjoys spending time with her family and doing activities such as baking/cooking with her little daughter and also going camping/hiking or for a walk.

Marianna P. Luciano – Administrative assistant

Marianna has 4 years of experience working in the dental field. She is fluent in English, Portuguese and familiar with Spanish. She is currently finishing her 2nd year of Business and Administration at MassBay Community College. She is CPR and CareCredit certified. Outside the office, she enjoys being outside skiing, going on trails, hikes or riding her motorcycle during the summer. When not working or going to school she is volunteering at her church and at the local Milford Food Pantry.