Riverdale Park Dental Office - Meet Our Team - The Dental Group

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Frederick J. Blumenfeld, D.D.S.

General Dentist

Dr. Blumenfeld was born and raised in Brooklyn, New York. He graduated from the University of Alabama with a B.S. in biology and chemistry in 1965. In 1969, he graduated from Meharry Medical School of Dentistry. After serving in the Army, Dr. Blumenfeld settled with his wife and their two children in Miami, Florida, where he practiced dentistry for twelve years. He then sold his practice and moved his family to Maryland. Today, Dr. Blumenfeld and his wife are enjoying their empty nest and three beautiful grandchildren. Drawing on over 35 years of professional experience, Dr. Blumenfeld can pursue all phases of general dentistry with particular emphasis on conscious sedation and cosmetic dentistry. As Dr. Blumenfeld explains, “The most gratifying part of my profession is restoring smiles knowing that my patients no longer need to fear a painful experience in the dental chair.”


Anthony J. DiGregorio, D.D.S.

General Dentist

Dr. DiGregorio is popularly referred to as “Dr. D”. His philosophy is to provide the best dental care in a warm, understanding environment by personally connecting with his patients. He is proud of the office’s comforting atmosphere and inviting staff members who enjoy making patients feel right “at home”. He is also committed to staying on top of the latest advances in technology, including “Same-Day” porcelain crowns, Oral Sedation, digital x-rays, soft tissue lasers and mini-implants, to name a few. His goal is to help his patients achieve and maintain beautiful, healthy smiles with the use of these cutting edge techniques, equipment and materials.

Best of all, Dr. D wants to help his patients make “informed choices” about their dental care. He will spend the time to get acquainted with his patients to best understand their preferences and priorities about their dental health. He doesn’t lecture. It’s just straight talk and a commitment to treat everyone with the same concerns as he would give members of his family.

Dr. D is a graduate of Georgetown University Dental School and is a member of the Academy of General Dentistry and the American Academy of Cosmetic Dentistry. He has three children and enjoys gardening, cooking, home restoration, reading and volunteer work.

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Tillman R. Sease, Jr, D.D.S.

General Dentist

Dr. Sease was born in Roanoke, Virginia and raised in Prince George’s County, Maryland. By 1973, he had completed his undergraduate studies in Health and Physical Education at Hampton University and his Master’s degree in Education at Northwestern University. From 1973-1978, Dr. Sease taught Physical Education and was an athletic coach in the public school system. Through the encouragement of good friends and family, Dr. Sease made the decision to pursue a lifelong aspiration. In 1978, he enrolled at Howard University Dental School, and graduated in 1982. From 1982-1989, he practiced dentistry for the Public Health Services in Pittsburgh, Pennsylvania and Health and Humane Services for the District Government. In 1989, Dr. Sease joined The Dental Group where he is currently a practicing partner. “My objective is to provide a wide range of cosmetic and restorative services with care, comfort and expertise, especially for those who have not sought dental treatment due to fear and/ or embarrassment,” says Dr. Sease. “I prefer the group practice of dentistry because it allows me to stay abreast of the rapid technological advances that are developing in the field of health and dentistry. It’s been most gratifying for me to offer my patients the finest dental care available.”

Ramien R. Tajick, D.D.S.

General Dentist

Dr. Tajick was born in Iran and moved to the United States in the late 1970’s. She received her Biology at George Mason University in 1994. In 1998, she graduated with her Doctor of Dental Surgery from Howard University College of Dentistry. A year later, she joined the professional staff at The Dental Group. Committed to providing the highest level of care to her patients, Dr. Tajick keeps abreast of the latest breakthroughs in dental technology. As an active member of the Riverdale Park Business Association, Dr. Tajick donates her time and energy to many charitable projects and fundraisers and participates in various health fairs throughout the Hyattsville/Riverdale Park area. In 2005, she was presented with the “Community Humanitarian” award. The entire staff of The Dental Group are proud of her passion for providing quality care and giving back to the community.

Kashia Figueroa, D.D.S.

General Dentist

Dr. Figueroa earned her B.S. degree from Syracuse University in 1983 and graduated from Georgetown University School of Dentistry in 1988. She has provided professional care to patients at The Dental Group for over ten years. Her clinical expertise in management and treatment of mentally and physically challenged patients makes her an integral member of the dental hygiene department.

Nathaniel Bullock, Jr, D.D.S.

General Dentist

Dr. Nathaniel Bullock Jr. is a native Washingtonian currently living in Prince George’s County. He is a graduate of Frostburg State University where he received his B.S. in Biology in 1984. After making the decision to follow in his father’s footsteps to become a dentist, Dr. Bullock completed his graduate program at the University of Maryland Dental School where he earned his D.D.S. in 1989. As a second generation dentist, Dr. Bullock is proud to be carrying on the legacy of his father.

Dr. Bullock’s accomplishments include publications on the use of laser technology in dentistry, mission tours with the Catholic Medical Mission Board to the Dominican Republic, a part time clinical instructor at his Alma Mater, University of Maryland Dental School and the first African American to hold the office of Vice President of the Alumni Association. He was also a clinical instructor for the Hornbrook Group. Dr Bullock is also an active member with the National Dental Association, Robert T. Freeman Dental Association and the American Academy of Cosmetic Dentistry.

In his spare time, he enjoys hiking traveling and cheering on the Burgundy and Gold Washington Redskins with his two children Monet and Dylan.

Dr. Bullock is passionate about communicating with his patients and providing them the gift of “happy dentistry”. One of his philosophies is “everyone is welcome and no one is a stranger.”

Carol Levy, R.D.H.

Dental Hygienist

Carol Levy received her degree in Dental Hygiene from Temple University School of Dental Hygiene in 1969, her Bachelor of Science degree in Dental Hygiene Education from the University Of Maryland in 1978, her Bachelor of Arts Degree in Psychology from the University of Maryland in 1982. Carol has worked as a dental hygienist in a hospital setting for the state of Maryland as well as private practice with 27 years of clinical experience. Carol also has an interest in integrating dental programs in hospitals, nursing homes, and assisted living communities to provide private visitation to residents for dental care and education.

Christopher Jacob, R.D.H.

Dental Hygienist

Christopher Jacob is a 1992 Dental Hygiene graduate from Howard University. Chris has worked in several areas of the Dental Field, including cosmetic, periodontal and pediatric practices. Through continuing education, he is able to educate his patients about their overall dental health. Prior to graduating from Howard University, Chris enlisted in the Us Navy where he was trained as a Dental Technician and served his country for twelve years. During his time in the Navy, he provided dental care to military personnel and their families. Upon his departure from military service, he successfully completed his B.S. in Health Care Management and graduated from South Illinois University in 1987.

Chris is very interested in his patients' dental health and well being. It gives him great pleasure when his patients can leave his care with smiles on their faces.

Wendy Kinney, R.D.H.

Dental Hygienist

Wendy graduated from Alleghany Community College Dental Hygiene program in 1979.  She has practiced in various settings. She continued her education and received a BS in marketing from University of Maryland University College in 1985.  For the next six years, she worked for a dental software company and managed a large dental practice.  After having her first son in 1991, she returned to Dental Hygiene full-time.  In 1998, Wendy received her teaching certificate and has practiced Hygiene part-time since then.

Wendy is committed to excellence when serving her patients.  She prides herself in educating her patients so that they are knowledgeable about the health of their mouths.

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