Meet Our Talented Dental Staff

At Duggan Dental Group in Bay Shore, NY, our dental staff and office administrators are an important part of our team. Together, we help patients feel comfortable and relaxed about their visit to our office.


Kristen, Registered Dental Hygienist

Kristen, Dr. Duggan’s hygienist, received her dental hygiene degree in 2005 from the Farmingdale State College. Prior to dental hygiene school, Kristen completed a Bachelor of Science in public health at SUNY College at Old Westbury. She is licensed in the administration of local infiltration anesthesia as well as nitrous oxide analgesia.

Kristen enjoys getting to know her patients individually and providing them with high-quality dental hygiene care. She has a special interest in periodontal treatments and loves to help people regain and maintain their oral health. Her professional training and personal experience make her a valuable member of the Duggan Dental Group team.

In her spare time, Kristen loves to travel (especially to Europe) and to bake. You can even find some of her baking treats on the Web!

Ann Marie, Dental Hygienist

Ann Marie graduated from Farmingdale State College. She has additional certifications and training in local anesthesia, nitrous oxide, basic life support, CPR, and infection control. With her gentle hands and manner, she helps patients keep their smiles healthy and bright. Ann Marie especially enjoys teaching people about the importance of oral health and motivating people to make healthy decisions.

Away from the office, Ann Marie enjoys cooking and family trips upstate with her fiancé and two young sons. She’s an avid supporter of autism research, as well.

Katherine, Dental Hygienist

Katherine is one of the newest members of the Duggan Dental team, but is an experienced, gentle dental hygienist. She graduated from the Agricultural and Technical College at SUNY Farmingdale, where she earned her associate’s degree in applied science. Through numerous continuing education courses, Katherine has added to her training and certifications in oral cancer health protocol, infection control, CPR, periodontics, and many more. She enjoys meeting new people and helping each develop the beautiful, healthy smile they deserve.

In her spare time, Katherine enjoys exercising, gardening, boating, and going to the beach. Time with her three children is always her priority!


Danielle, Clinical Assistant

Danielle chose to work in the dental field because she likes teaching patients about the importance of good oral health and how it impacts the whole body. She’s often heard saying, “Healthy mouth, healthy body!” Her compassionate and caring nature alleviates many people’s dental anxieties, and reassures each that everything will be okay, Danielle helps patients feel comfortable and relaxed, and makes their dental visits positive experiences.

Danielle enjoys going to church, participating in Bible studies, and reading the Bible daily with her family. She is a teacher in the children’s ministries at her church and enjoys teaching the word of God. A good portion of Danielle’s time is spent caring for her sister who has cerebral palsy, which helps her parents. She enjoys working with people who have special needs.

Deborah, Dental Assistant

Deborah has been a dental assistant for more than 40 years. She graduated from East Islip High School and earned her dental assisting certification at Boces. Working chairside, Deborah assists the doctor with various dental procedures. At the same time, she keeps the patient informed of what they’re doing and checks to make sure they’re comfortable.

When she’s not at work, Deborah enjoys gardening, cooking, reading, and spending time with family and friends, especially her handsome son. Now a widow, she was married for 34 years.

Maria, Dental Assistant

Maria’s is one of the first friendly faces you’ll see at Duggan Dental Group. She graduated from the Dental Auxiliary Training Center, co-sponsored by the Suffolk County Dental Society. Maria provides chairside assistance, helping the doctor and supporting the patient. At the end of a procedure, she offers home care instructions and checks to make sure our patient is happy with everything that’s happened.

Away from the office, Maria loves time with her beautiful family. She enjoys oil painting, baking, time in nature, going to the beach, and playing Candy Crush.


Andrew, Office Manager

Andy serves our patient family and is also Dr. Duggan’s brother. An expert in dental insurance, Andrew will help you understand how your plan works and strive to maximize your benefits. Because Duggan Dental Group offers a variety of payment plans, Andrew is able to find ways to make your dental care affordable so you don’t need to worry. Additionally, his ability to understand each patient’s needs allows him to set our schedule so we run on time and you never feel rushed.

Prior to joining the team, Andrew served as an NCO with the United States Air Force. He’s been able to translate the discipline and skills he learned there to benefit the practice. During his free time, you’ll often find Andrew on the golf course. As a novice golfer, he trusts that with patience and practice, as with most things in life, his game will improve.

Donna, Business Coordinator

Donna is one of the most warm, friendly, helpful people you’ll meet at Duggan Dental Group, where she’s our business coordinator.

Prior to joining Dr. Duggan’s team, Donna was a stay-at-home mother of three beautiful children. Away from the office, she enjoys time with her family, especially on their  boat, and going to the beach.

Kim, Receptionist

Kim has been a secretary for 30 years. She worked for Dr. Seylar and Dr. O’Shaughnessy for 14 years before joining Duggan Dental Group. You’ll meet her when you step into the office and she’ll always greet you by name and with a welcoming smile.

Kim is married, has three children, and is a breast cancer survivor. Outside of work, she enjoys bike riding and family trips to Montauk.

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"We love Dr. Duggan and his staff. Everyone is friendly and professional and we feel that they would do anything for our family. We highly recommend to anyone!"

Colleen Kelly V.


Bay Shore

11 Bay Shore Rd
Bay Shore, NY 11706

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