Cromwell Dental Care Share: Dentists Cromwell Dental Care Visit Website 450 Coleman's Crossing Blvd. Marysville, OH 43040 (937) 738-7610 (937) 738-7614 (fax) www.cromwelldentalcare.com About About We strive to make achieving your dental goals easy. Our highly trained team members are here to help educate, you, our patients in all of your dental needs. We want you to smile with confidence.