Dr. Cleveland Null and his associates are dedicated to providing
exceptional dental care in an ethical, caring, and compassionate
environment where patients feel important and well cared for.
L. Null, DDS, has established a tradition of
excellence in dentistry, patient care, and oral health in the
Gettysburg community, earning the practice the first Adams
County Chamber of Commerce Award for Exemplary Service. Selected
as “Top Dentist” in both Susquehanna Style and Harrisburg
magazines for the past several years, he continues to provide
for the growing needs of the community and makes a difference in
the lives of those he treats. This is exemplified in his many
community contributions. Dr. Null was one of 11 founding
members of Hospice in Adams County and served for years on The
Adams County Children Youth Services board. A strong supporter
of the YWCA and local businesses, he and his wife immersed
themselves in the local community upon their arrival 33 years
ago. A graduate of the University of Virginia and the Medical
College of Virginia School of Dentistry, Dr. Null proudly served
in the Army Corps of Engineers (1966–69) and in the Dental Corps
in Korea (1977). He is affiliated with the Columbus Center for
Cosmetic Dentistry and the Study Club of the Pacific Training
Institute for Facial Aesthetics. He enjoys spending time with
family, working on mechanical things, reading, sports, and
travel. Dr. Null is married to Betsy Bliley of Richmond,
Virginia, and has three children and five grandchildren.
C. Seidel, DMD, earned his dental degree from
the Temple University School of Dentistry, after earning his
bachelor’s degree from Grove City College. Prior to entering
private practice, he served a general practice residency at St.
Joseph’s Hospital. He has recent postgraduate training in
endodontics (root canal treatment), restorative dentistry,
CEREC™ one-visit crowns, and Invisalign™ clear orthodontic
aligners that allow him to offer his patients smiles as healthy
as they are beautiful. Dr. Seidel commits a great deal of his
time to the community, volunteering with the Heart Walk, Relay
for Life, and Operation Gratitude Candy Buy-Back program, as
well as Head Start — where he reads and provides dental care —
and Sealant Saturdays for needy patients. Dr. Seidel and his
wife Jennifer have three beautiful children, and in his spare
time, he enjoys reading, hiking, biking, and spending time with
his family and friends.
DeFilippo, DDS, (formerly
Dr. Stephanie Porter), obtained her dental degree at West
Virginia University and her bachelor’s degree at Penn State
University. She served her residency in pediatric dentistry at
St. Christopher’s Hospital for Children, and has focused her
continuing education on a pediatric specialty. In addition to
the American and Pennsylvania Dental Associations, Dr. DeFilippo
is a member of the American Association of Pediatric Dentistry
and is a Diplomate of the American Board of Pediatric Dentistry.
She got married this past October, and in her spare time enjoys
reading, shopping, and absorbing the atmosphere of historic
J. Smith, DMD, is dedicated to the belief that a
lifetime of good oral health practices begins in childhood, and
that the experiences children have in the dental office should
positively guide them in learning to care for their overall
health. He recognizes that every child requires an
individualized approach, and strives to meet their dental needs
with compassion, concern, and a smile.
Dr. Smith earned his dental degree from A.T. Still University in
Mesa, Arizona, after graduating with a bachelor’s degree from
Brigham Young University. With a desire to focus his skills on
the care of children, he successfully completed two years of
specialty training in pediatric dentistry at Boston University.
Dr. Smith is also a Diplomate of the American Board of
Dr. Smith enjoys being involved in the community. He has worked
with the Boy Scouts of America to teach young men to value their
country and gain skills that will improve themselves and others.
He lived in Ukraine for two years, serving a church mission,
where he learned to speak Ukrainian and Russian. These
experiences have taught him the importance of respecting
different people and cultures.
Dr. Smith and his wife Celisa are parents to three wonderful
children. He enjoys spending time with them camping, hiking, and
visiting historical sites that enrich their knowledge of this
great country we live in.