Our Staff
Dr. Michael Flewelling
Dr. Mike Flewelling is proud to be your dentist. As a native of Michiana, Mike grew up in our community and understands the needs and concerns of his patients.
After graduating from Buchanan High School, Dr. Mike enlisted in the United States Marine Corps Reserve, where he faithfully served 7 years with Charlie Co. 1st Battalion 24th Marines stationed in Lansing. In 2003 Company C was deployed to Iraq where Dr. served our Country honorably and was awarded a Certificate of Commendation in recognition of his leadership during the conflict.
After returning home, Dr. Mike set his sights on continuing his education. He completed his undergraduate degree at Andrews University, where he received his B.S. in Biomedicine, and, more importantly, where he met his beautiful wife Tracy! After graduation, Dr. Mike was accepted to the prestigious Loma Linda University School of Dentistry in Southern California. There, he served as President of his class and helped to establish a class level peer review committee that helped ensure students received the assistance they needed with their studies. Upon graduation Dr. Mike received multiple awards including the Prince award for leadership, which is the Dental Schools highest bestowed honor, and the Mountain award, which is the schools highest clinical honor, for his compassionate and ethical treatment of his patients.
After graduation Dr. Mike spent some time working as an associate dentist in a large Chicago clinic before returning home to southwest Michigan. Dr. Mike and Tracy are very excited to be a part of the Niles community and near to family once again.
When not in the clinic, you may find Dr Mike on the golf course in the summer or on the snowmobile trails in the winter. He also enjoys a lazy day at home with a good book and time with his family. Dr Mike is an avid sports fan, and be forewarned, if you get him talking football your appointment may last longer then you thought!
Cheryl Macri
Cheryl joined our team in 2014, but has a long history with Four Flags Family Dentistry. As the daughter of Dr. Richard Macri who started the practice, she spent holiday and summer breaks helping around the office. Those early years inspired her to become a dental hygienist.
After graduating Andrews Academy, she attended Southern Adventist University in the foothills of the Smoky Mountains of Tennessee for two years before finishing her degree at Northwestern University Dental School in Chicago. She brings over 30 years as a dental hygienist, working most of those years in Indiana. Living back in Niles for the past 15 years Cheryl spends as much times as possible with her family and friends. Ask her about her travels, cooking with her cousins on “Italian Night”, and her fur baby Gucci.
Kim Andres
Kim started with Four Flags Dentistry in July of 2014. Kim had 6 years previous experience in the dental field before joining Dr. Flewelling and his team.
Kim can answer any financial or dental insurance question you may have. If she doesn’t know the answer to your question she will be happy to accept the challenge of the getting the answer for you. Kim resides in Berrien Springs Michigan with her family.
“I enjoy being part of such a wonderful and caring team. Our goal is to “make someone SMILE today.” Hopefully that someone is you.
Minu Johnson
Minu was born and raised in Bangladesh, a small impoverished country in southwestern Asia. It was there, she met and later married Dr. David Johnson. After 27 years of marriage, they now have four children and seven grandchildren.
After moving to Niles in 2001, Minu attended Lake Michigan College and became and Expanded Function Dental Assistant. She has been working at the practice for 10 years. She has felt the same passion about her work since she first entered the dental field 30 years ago.
On her time off, Minu enjoys cooking authentic Bengali dishes for her friends and family, tending to her vegetable garden, and traveling the countryside.
Heather Jacob
Heather grew up in Sawyer Mi. She began her dental career in 1998 as a dental assistant. She decided to switch gears and returned to college for a career in dental hygiene. She graduated from Kalamazoo Valley Community College in 2007. Soon after she joined our staff that year.
Heather is married to her wonderful husband Kevin. They met in 2002 and married in 2008. They have 2 beautiful children. They reside in Berrien Center.
“I love where I work! We have great patients and an awesome team!”
Vashti Steele
Vashti is an extremely energetic hygienist, who is very passionate about her profession. Her career has spanned over 14 years in the dental field. Aside from providing pristine care, for her patients, her passion is providing painless anesthetic!
Vashti grew up in the small town of Ora, IN, about an hour and half drive South of Niles. She attended Culver Community High School and later moved to South Bend, IN. Here she met her husband, Jay, who helped encourage her through her hygiene program at Ivy Tech Community College. Vashti, Jay, and their two beautiful children live in Granger, IN.
Vashti enjoys spending time with family and friends. She is also an avid music lover, concert goer, and hiker.
Ashley Sparks
Ashley is a compassionate Dental Hygienist with extensive experience in the dental field since 2008, complemented by a dental assisting background. Additionally, she serves as a part-time faculty member at Ivy Tech, South Bend in the Dental Hygiene Program. Ashley holds a bachelor's degree in dental hygiene and is passionate about educating her patients and ensuring their comfort. Her expertise lies in treating children, and she takes pride in delivering exceptional care and making her patients feel at ease.
When Ashley is not at work she enjoys spending time with her husband, Adam and two kids Addy and Alan. Her hobbies are drinking coffee, wine tasting, traveling, and spending time at the lake.
Abby Andres
Abby is typically the first team member you will meet in person, when visiting Four Flags Family Dentistry. She enjoys helping patients with their insurance questions, making new patients feel comfortable the moment they make that first phone call to our office, and welcoming them at their first visit. She is happy to answer any questions and if she doesn’t have the answer she is happy to get it and learn along the way.
Abby resides in Baroda, MI. When she isn’t helping our patients she enjoys walking nature trails, shopping, and spending time with her fiancé and two cats.
Cecelia Gross
Cecelia has 20 years of experience in the dental field. First, working for a small dental lab in South Bend, IN then for a large dental practice in Mishawaka, before finding her home with Four Flags Family Dentistry in August 2023. She is passionate about helping patients at our front desk. She is always up for a challenge. Her goal is to make each and every patient comfortable and to ensure they have the very best dental experience possible; from scheduling to answering questions about insurance and helping them with financial arrangements. Cecelia lives in Buchanan, MI with her fiancé Shawn, her youngest daughter Rylie, and their 3 dogs. Together they also share 6 adult children and 2 grandchildren. She loves spending time outdoors particularly at the beach, at home in the pool, or working in her flower beds. When not at home she enjoys visiting small local restaurants, taverns, and breweries with Shawn and their friends.
Arianna Schubbe
Arianna graduated from the dental assisting program at Illinois Valley Community College, where she earned her CDA in expanded functions. Shortly after, she moved to South Bend and joined our team. She is passionate about making your dental visit as comfortable as possible.
Outside of work she enjoys watching movies, baking, playing pickleball, crafting, and spending time with her family and friends.
"I love being in dentistry because it is rewarding to see the confidence people gain while getting their smile back!"