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Katherine Ni, DMD, MS, PC
Periodontics and Dental Implants

Meet The Doctors

Dr. Ni

Dr. Katherine Ni grew up in southwest Michigan and was a three-sport athlete in high school. She then attended Grinnell College in Iowa and majored in Physics and participated in 2 college varsity sports. She began her dental education with dental hygiene at The University of Pittsburgh where she graduated class president and top of her class. She continued at the University of Pittsburgh to complete her Doctor of Dental Medicine (D.M.D.). During that time, she received multiple academic and research awards including “Outstanding Achievement in Periodontics” from the American Academy of Periodontics. Dr. Ni continued her training and received her Advanced Education in Periodontics and Dental Implants concurrently with earning her Master of Sciences in Biomedical Sciences at the University of Maryland.

Dr. Ni has received numerous awards throughout her dental education for research and academic excellence. Equally important to Dr. Ni’s passion for dentistry is her compassionate patient care. She engages with her patients to help them feel comfortable. Patients find her compassionate, knowledgeable, and she clearly explains her findings. Dr. Ni is easy to talk with and she encourages questions in-order to understand the treatment options. It is her caring attitude, talented clinical skills, positive energy and attention to detail that allow Dr. Ni the ability to provide exceptional patient care while sharing our practice philosophy. 

Dr. Ni lives in Lancaster County with her husband, David, and her son, Walter. In her free time Dr. Ni enjoys cycling, sewing, and knitting. 

Dr. Green

Dr. Green grew up in Wilmington, Delaware and graduated from Concord High School. He was an excellent student throughout his school years, and has always had a passion for sports, especially baseball. His baseball team won two state championships in high school. Dr. Green received a Bachelor Degree in Biology and Doctor of Dental Medicine Degree from Temple University School of Dentistry. He then went on to complete his Periodontal Specialty Training at Tufts University School of Dental Medicine in Boston in 1992. Following graduation he returned to Pennsylvania and has been practicing in Lancaster County since 1992. 

Dr. Green is very passionate about dentistry. He treats and makes recommendations as if you are family.  His practice philosophy is to provide the finest individualized periodontal treatment in a pleasant and caring environment. You will be treated with respect and we will listen carefully to your questions and concerns. In addition, if you have a general dentist Dr. Green will communicate with them to coordinate your periodontal and dental treatment. You do not need a referral to schedule an evaluation.

Dr. Green is passionate about education and teaching. He serves as Group Leader for the local Spear Study Club, fostering interdisciplinary care to raise the standard of dental care. He is also the periodontal instructor for Lancaster General Hospital's General Practice Residency where he instructs and directs dental residents in patient care. He served as clinical instructor at Temple University School of Dentistry in the Periodontology Department. Dr. Green continues educating by hosting lunch and learn presentations in local offices, lecturing to local dental and hygiene associations, and his study club.  Dr. Green is very active in local, state and national dental organizations. He is a member of The American Academy of Periodontology, The Northeastern Society of Periodontists, The American Dental Association, American Academy of Osseointegration, The Pennsylvania Dental Association, and Lancaster County Dental Society.

Dr. Green has been married to his best friend, Aurora, for over 25 years and they have two beautiful daughters - Claudia and Julia.  Dr. Green enjoys time at the beach, playing golf and baseball, traveling to new places, and spending time with family and friends.  He still plays in a Men's Senior Baseball League and has won the National Championship in Florida in 2009 and 2014. 

Call our office at 717-299-5544


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