Meet Our Team

Meet Our Doctor

Dr. Peter P. Patellis, DMD, FMIII, DICOI

Dr. Patellis received his doctor of dental medicine degree from The University of Pittsburgh, where he graduated in 1989. Dr. Patellis then completed a post-graduate general residency program at York Hospital in York, Pennsylvania. There, he received advanced training in I.V. conscious sedation anesthesia and emergency medical procedures. Dr. Patellis has completed post-graduate studies at The Las Vegas Institute for Advanced Dental Studies, The Dawson Institute, and the world-renowned Misch International Implant Institute.

Dr. Patellis is highly regarded as an educator and is nationally recognized as a leader in the field of CEREC and CAD-CAM Dentistry. He travels the country lecturing about CEREC for Sirona/Patterson Dental. Dr. Patellis is a past clinical instructor of The University of Pennsylvania School of Dental Medicine and holds memberships in numerous professional organizations. Dr. Patellis is a fellow of the Misch International Implant Institute; and in April of 2010, he received his Diplomate status from The International Congress of Oral Impantologists; an honor and level of distinction attained by only a small percentage of dentists worldwide. In his time off, he enjoys playing golf and spending time at the beach with his family.

Phone: 610-444-6311


Meet Our Staff

Sallieanne, Dental Assistant/Implant Coordinator

Sallieanne is very dedicated to her duties as Dr. Patellis's assistant. As a child she had great experiences with her family dentist and because of those pleasant times, she fell in love with the profession. Her excitement for the field is seen in the way she cares for her patients. Outside the office, Sallieanne has been married for 30 years. She and her husband enjoy motorcycling, camping, and target archery.


Adele, RDH

Adele moved to this area with her family about six years ago to be closer to her extended family. Adele enjoys fishing, hiking, and kayaking with her husband of 17 years and their three sons.


Morgan, RDH

Morgan DeGraffenreid graduated Cum Laude from Delaware Tech recieving an Associate of Applied Science of Dental Hygiene. She is originally from South Jersey and currently still resides in the tri-state area. Her hobbies include listening to music of all genres, traveling, and reading literature. Morgan adores animals and loves spending time with her nieces and nephews. In the future, she plans to obtain a MBA/M. Ed.



Kim has been an Oxford resident for the past 10 years. She loves spending time with her family, including her three children. Her oldest son is a senior at Gettysburg College and is a Science major. Her daughter is a sophomore at Kutztown University and is a Biology/Allied Health major. Kim's youngest son is a 6th grader at Hopewell Elementary School and participates in the school band playing percussion.



Angie grew up in Delaware County, but is currently living in Kennett Square with her two daughters. Angie loves her family, animals, sushi, drinking coffee, cooking, baking and she loves her gym at CrossFit Thunder Hill.


"I have to say that you guys have won me and the family over. You guys go out of your way for your patients, something I certainly appreciate as an attorney who tries to do the same for my clients. Thank you for the special attention."
- Tom H.

Call today to make an appointment!
(610) 444-6311