Meet Our Doctors

  • Dr.
    Richard Koslowski DMD

    Dr. Koslowski has practiced in Lebanon County for almost 30 years. He began his pathway to dentistry and perfect smiles by graduating with a Bachelors of Arts from the University of Pittsburgh. He received his Doctorate in Dental Medicine in 1991 from the University of Pittsburgh. He moved to the Lebanon area and joined Dr. Donald Gigler where he took over the practice in 1992. At the end of 2015, he changed the practice into a group, Cornwall Family Dentistry, and moved to 850 Norman Drive where it is located today. Dr. Koslowski has been a member of the American Dental Association and the Pennsylvania Dental Association for over 30 years.

    Dr. Koslowski is known for being very personable and has an astute sense of humor. He takes pride in providing patients with high quality work and fair practices. He has supported countless charitable organizations and believes in giving back to his community. Recently his family was honored to fund and co-host Jay Day for a few years until it was moved to Arizona to stay in the Silverman Family name.

    Dr. Koslowski married his college sweetheart, Ann Marie and they have two wonderful children, Zachary and Hallie. He enjoys watching football (especially the Pittsburgh Steelers), studying history, playing
    guitar, golfing and spending time with his family which includes playing with the family dogs, Bruno and Toby.

  • Dr.
    Ryan Walters DMD

    Dr. Walters is a highly energetic and enthusiastic professional with a deep passion for providing tailored dental care to his patients.

    Dr. Walters received his Bachelor of Science from Providence College in 2013, and his Doctorate of Dental Medicine from Temple University School of Dentistry in 2018. Following the completion of his dental degree, Dr.
    Walters joined Cornwall Family Dentistry in the summer of 2018. He is currently a member of the Pennsylvania Dental Association, the Academy of General Dentistry, the American Dental Association, the American Academy of Cosmetic Dentistry and the International Congress of Oral Implantologists.

    In keeping with his belief of giving back to the community, Dr Walters has provided dental care to those in need through serving others on a mission
    trip to Haiti, donating his time to support Jay Day in our own community, as well as volunteering with the MOM-N-PA dental missions.

    Dr. Walters is committed to providing the highest level of dental care through the combination of science and artistry. He believes in working with each individual patient to build a trusting. relationship and provide
    tailored care that fits the needs and lifestyle of each patient.

    On a personal note, Dr. Walters resides in Lititz with his wife and two dogs. As a former collegiate athlete, Dr. Walters enjoys many outdoor activities including skiing, golfing, surfing, and hiking with his wife, two beautiful boys and two pups!

  • Dr.
    Kasey Thomas

    Dr. Thomas is a Lebanon County native who graduated from Cedar Crest High School. She received her Bachelor’s degree in biology from the University
    of Pittsburgh. She graduated Summa Cum Laude receiving her Doctorate of Dental Medicine from The Kornberg School of Dentistry at Temple University. She is currently a member of the American Dental Association, the Pennsylvania Dental Association and the International Academy of Facial Aesthetics. In addition to general dentistry; Dr. Thomas provides neurotoxin treatments to enhance aesthetics and functionality of the head and neck.

    Dr. Thomas is happy to have returned to her hometown community to treat patients, She knew she wanted to be a dentist since she was 12 years old. 

    While pursuing her degrees, she began an internship at Cornwall Family Dentistry in 2016 to begin preparing for her career.

    In her free time, Dr. Thomas enjoys spending time with her family, cooking, reading, and taking road trips.

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Hours of Operation

Our Regular Schedule


8:00 am-5:00 pm


8:00 am-5:00 pm


8:00 am-5:00 pm


8:00 am-5:00 pm


8:00 am-5:00 pm