Dental Staff


Dr. Maryann Jacko & Dr. Jonathan Siefker

Doylestown, OH Dentists

Doylestown Dental

Dr. Maryann grew up in Parma, OH and attended Padua Franciscan Catholic High School. She is a graduate of Baldwin Wallace University in Berea, OH with degrees in chemistry and history. Dr. Maryann attended Ohio State University College of Dentistry, graduating in 2000.  

Dr. Jon grew up on a farm outside a small town in northwest Ohio called Kalida, where he attended public school. He graduated from Vanderbilt University in Nashville, TN, then attended the Ohio State University College of Dentistry, also graduating in 2000.  

Within three weeks of graduating dental school together, Dr. Maryann and Dr. Jon were married in Lakewood, OH. Dr. Maryann's earliest dental experiences took her into nursing homes where she provided dental care to the sick and elderly. Dr. Jon's earliest dental experiences were providing dental care via the Cleveland Veterans Administration Hospital.  

Together, they came to Doylestown, caretaking the practice built by Dr. Olin Bleichrodt. They quickly remodeled and upgraded their Civil-War-era building to provide 21st century dental care for the people of Doylestown, Chippewa Township and the surrounding areas for the past eight-plus years

During this time of building a growing, thriving practice, Dr. Maryann and Dr. Jon started their family and have three incredible children, Andrew (age 12), Jack (age 9), and Elizabeth (age 8). The family has been living in Medina for the past 13 years. They love the honest, hardworking people they have met over the years, and they enjoy learning new ways to enhance the dental health of their patients. Dr. Maryann and Dr. Jon are also caretakers of a dental practice in the small town of Wellington, in southern Lorain County.

Family and friends are very important to Dr. Jon and Dr. Maryann. Most of their free time is consumed with their children's activities. They also love to travel, usually with their family. 

  • Shannon
    Registered Dental Hygienist

    Shannon joined Doylestown Dental in June 2017. She has an Associate of Applied Science degree in dental hygiene and is CPR certified and licensed to deliver local anesthesia. She loves being able to build personal relationships with her patients while also educating and motivating them on ways to improve their dental and overall health.

    Shannon grew up in Akron, and in her free time, she loves spending time with her husband Wes and dog Niko. Shannon also enjoys reading a good book, finding new trails to hike, learning how to cook new dinner recipes, and spending time with her family.

  • Muriah
    Expanded Functions Dental Assistant

    Muriah is one of our valued EFDA's. She grew up in Medina, OH and attended dental assisting school immediately after graduating from Buckeye High School in 2002. Muriah learned her passion for dentistry and furthered her education in the EFDA program at Case Western Reserve University in 2009.

    Muriah enjoys spending time with her daughter, Paisley, and husband, Matt, when she is not working. She also enjoys country music and traveling.

  • Allie
    Dental Assistant

    Allie is one of our valued dental assistants and joined our team in 2022. Allie grew up here in Doylestown, OH. Allie graduated from Chippewa High School and the Wayne County Career Center in 2010 where she got her certification for dental assisting. She got into the dental field because of her own experience with braces. She loved that they could give her a healthy, beautiful smile and it piqued her interest in dentistry. In her free time Allie loves to garden, workout and going to church. 

  • Sarah
    Financial Coordinator

    Sarah started with Doylestown Dental in 2012. Prior to that, her experience included medical office administration and wholesale and retail customer service. Sarah grew up in Spencer, Ohio and now currently resides in Wadsworth. Sarah loves working with our wonderful patients and is happy to be part of an amazing team. In her free time, she likes to spend time with her husband Tony and 2 children, Ava and Vinny.

  • Sandy
    Scheduling Coordinator

    Sandy is our valued scheduling coordinator. She grew up in Parma, OH and attended Valley Forge and Parma High School. Sandy loves being a part of a team that give patients their confidence back and being able to smile.  Sandy enjoys spending time with her family and German Shepherds. She also loves crafting, repurposing furniture, painting nails and doing yard work. 

  • Dr. Jennifer

    Dr. Jennifer did her undergrad at The College of Wooser with a degree in Biochemistry receiving the Magna cum laude honors. She went onto Dental school at Case Western Reserve graduating in the top ten in her class. After graduating dental school Dr. Jennifer did a 1 year general practice residency at the Cleveland VA. Dr. Jennifer got into the dental field after having braces and seeing how a smile could be transformed, she decided she wanted to help give people smiles like that as well. 

    Dr. Jennifer is a native of Parma, she enjoys hiking, kayaking, and spending time with her fiancé Matt and dog Rowdy

  • Joanne

    We are excited to introduce everyone to Joanne. She is a graduate of Cuyahoga Community College, Joanne earned her Associates Degree in Applied Science majoring in Dental Hygiene. Joanne has been working in the dental field for over 20 years. She enjoys getting to know all of her patients. Joanne is certified* in dental radiology, nitrous and anesthesia. She strives to bring comfort to all patients when delivering quality dental care and education.

    Joanne is married to her husband Tim and has two wonderful children, Joel and LaNae. She currently lives in Wadsworth. When she is not at work she loves to spend time with her two children, 2 grandchildren and values church. Some of her hobbies include gardening in her flowerbeds and traveling with family and friends. Joanne looks forward to meeting all the patients here at  the office

  • Michelle

    Michelle earned her dental hygiene degree from Lima Technical College and her Bachelor of Science degree from The Ohio State University. Michelle has been working as a dental hygienist for over 30 years. She enjoys getting to know the patients and providing a positive dental experience while educating then on oral care. 
    Michelle and her husband, Rod live in Wooster and enjoy spending time with their blended family of six kids and ten fur babies. When she's not spending time with the family her adventures include traveling in 'Bea', their tear drop camper, and exploring new places, going to wineries, concerts and hanging out with friends.

A Healthy smile is just a click away.

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