5321 Gateway Center Blvd.

4495 Morrish Rd.



Dr. Bobby Grossi

Dr. Bobby J. GrossiDr. Grossi was born and raised in Flint, Michigan and graduated from Powers Catholic High School in 1991. He received his associate degree from Mott Community College, and graduated from University of Michigan with a bachelor’s degree in Science and Biology in 1998. He attended the University of Detroit Mercy Dental School and graduated in 2003 with his doctorate in Dental Surgery. In 2013, he completed a two year orthodontic training program with Progressive Orthodontic Seminars, where he graduated with highest honors.

Dr. Grossi has a beautiful wife and three children. His goal is to inspire or influence every person he comes into contact with in a positive way. He feels morally obligated not only to change people’s smiles, but to improve their overall health.

He is deeply committed to giving back to the community, and coaches many youth sports teams. Each year during the holiday season, he hosts a Free Dental Day providing free cleanings and extractions to those with no insurance.

Additionally, Dr. Grossi is an active member of The Grand Blanc Chamber of Commerce. He has received several Community Service Awards along with being voted America’s Top Dentist in 2009 by the Consumers Research Council of America.

Dr. Christopher Dyki

Dr. Christopher Dyki Dr. Dyki enlisted in the U.S. Army in 1991 and was honorably discharged in 1994. He graduated from Central Michigan University in 1997 with a B.S. in Biology. In 2002, he graduated from the University of Detroit Mercy. Following dental school, Dr. Dyki lived and worked in Sebewaing, Michigan where he was Rotary Club president and an active member of the community. Dr. Dyki also served as a Captain in the Michigan National Guard from 2000 to 2004.

He has a beautiful wife and a son. In his spare time he loves the outdoors. some activities include paddle boarding, cross country skiing and learning about all the new technology toy that come on the market He recently was awarded with a Community Service Award from his local Chamber of Commerce.

Dr. Vikram Dasari

Dr. Dasari born in India and moved to the United Sates when he was 12, residing in Long Island, New York with his older sister and brother. He is now married and has been living in Michigan since 2015. He started his higher education at Sony Brook University, where he graduated with a Bachelor of Science in Biochemistry in 2004. He then went on to receive his Master in Microbiology from Albert Einstein Graduate School in 2006 and then graduated from Buffalo Dental School with his doctorate in 2012.

He enjoys all phases of dentistry and above all enjoys meeting new people everyday and providing them with quality treatment and educating them on proper oral health. In his spare time he enjoys going to the movies and seeing the new coming attractions, shopping with his wife on the weekends and brushing up on his pool game.

Dr. Douglas Atwater

Dr. Atwater grew up in Livonia, Michigan. He received his Bachelor of Science in Microbiology from Michigan State University in 1980 and his Doctorate of Dental Surgery from The University of Detroit, School of Dentistry in 1985, graduating number one in his class. Between degrees, in 1981, he worked in medical research for the University of Michigan in Biochemistry. After dental school he started his own private practice in Monroe, MI for 30 years, also teaching part time for two years at the University of Detroit, School of Dentistry.

Dr. Atwater is married and lives in Flushing with his beautiful wife Dana. In addition to spending time with his three grown children, Dr. Atwater enjoys skiing and spending time outdoors. He has been a member of the National Ski Patrol for over 30 years at both Mt. Holly and recently Nubs Nob Ski Resorts.



Shandelle Choate-Blondin | Dental Hygienist
Shandelle comes to Gateway with over eight years of experience in the dental field. In 2012, she graduated from Mott Community College with a degree in Dental Hygiene. Initially, she was attracted to the field because she wanted to help create beautiful, healthy smiles. Every day, she helps her patients understand the benefits of complete oral care to their overall health.
When not working, Shandelle loves spending time with her husband, Guy, and her children Gabrielle and Eliot.

Christine Holifield | Dental Assistant
Christine has been a registered dental assistant for 8 years, all of which have been at Gateway. She and her husband, Matt, have two children—Arora, a nursing student at U-M Flint, and Maddie, a student at Clio High School. They also have a 7-year-old dog and a kitten. A large part of their life is spent together outdoors: gardening, going up north and spending time on the Ausable River.
Sheila Odom | Dental Assistant
Sheila has been a dental assistant for 25 years. She has been happily married for 24 years and is the proud mother of four children and a dog named Symba.
Andrea Ragsdale | Dental Hygienist
Andrea graduated in May of 2013 from Mott Community College of Flint and has been at Gateway since April of 2014. She is an animal lover of all sorts and is a proud mom of two dogs and five cats. She loves working with all types of people, especially children and the anxious patient. She is soon to be married with hopes to start a family soon.

Ashleigh Smith | Dental Hygienist
Ashleigh has been with us since 2010 and loves getting to know patients and discovering shared interests and experiences.
Ashleigh is highly-energetic and always on-the-go. When not at work, she enjoys spending time with her husband, Dusty. She also loves going to the beach, traveling the world, photography, running and cruising in her 2002 Trans Am.

Lisa Tessmer | Dental Assistant and Cerac Specialist
Lisa loves being a dental assistant, is happily married to her best friend, Rodney, and is a proud mother of three. At home, she loves to walk her two dobermans, cook for her family and work in her garden.

Angie Tidwell | Orthodontic Assistant
Angie is a certified orthodontic assistant with over 17 years of experience. She joined the team in November 2012 and strives to make orthodontic visits, fun, carefree and educational. She puts patients at ease every step of the way and gives them an understanding of what’s to come both financially and clinically. When not creating beautiful smiles, she is a mom of two amazing kids, Mya and Easton, and a proud wife to her husband, Lee.

Xadius Warden | New Patient Coordinator
New patients are greeted and taken care of by Xadius. With Gateway since 2015, he is completely focused on patient care. In his spare time he likes golfing, fantasy football and cats, and will be getting married this fall.


FREE Exam & X-Ray with $89
Initial Cleaning ($326 Value)

New Patients Only. Valid only on first visit. Not valid for patients with periodontal disease.