Meet the Doctors

Dentists In Evansville, IN - Evansville Dental Practice - Franklin Street Dentistry

Skill and compassion go hand-in-hand when providing exceptional patient care.  As dental professionals, we stay up to date on the latest advancements in dentistry in order to provide the most current treatment options for our patients.  As doctors, we recognize that our patients are unique individuals who have placed a great deal of trust in us and our team.  That is just one reason why we value each and every patient relationship.

We appreciate the time you’ve taken to visit this site and find out more about this dental practice, our team, and the many services we can provide to help you achieve optimum oral health.


  William G. Rouch, DDS

Dr. Rouch grew up in Valparaiso and graduated from Indiana University in 1989.  He is a 1995 graduate of the Indiana University School of Dentistry.  He remains committed to learning and takes courses annually that significantly exceeds the requirements of his licensing requirements.  He considers staff training very important and commits the entire team to regular office trips to higher their proficiency and knowledge.

Car restoration, woodworking, and following his children’s sports/activities are his interests.  He also enjoys following Indiana Hoosier basketball and St. Louis Cardinals baseball.  Dr. Rouch and his wife, Barbara (Winsett), married in 1994, and together they have three children: Ellen, who graduated from Western Kentucky University in 2019, Glen, who attends University of Southern Indiana, and Willie, who attends Boonville High School.





 Chad G. Ashley, DDS


Dr. Ashley was born and raised in the Evansville area.  He is a 1991 graduate of Indiana University and a 1995 graduate of Indiana University School of Dentistry.  He continually pursues clinical and academic excellence by attending numerous continuing education courses and programs on an annual basis.  Additionally, he is committed to a high level of staff training and has taken the entire team to various courses around the country in an effort to place a priority of ongoing learning. 

Golfing and Coaching (baseball) are his interests.  In addition, he loves to follow Indiana Hoosier basketball, Los Angeles Dodgers baseball, and Pittsburgh Steeler football. 
He has been married to his wife, Lucy, since 1995 and together they have a son, Drew, who attends IU on a baseball scholarship and a daughter, Claire, who attends Memorial High School.







Tyler D. Frounfelter, DDS

Dr. Frounfelter is a 2013 graduate of Indiana University School of Dentistry.  He is a member of the Delta Sigma Delta Professional fraternity and a 2009 DePauw University graduate.  Since moving to Evansville in 2014, Dr. Frounfelter has become a proud West Side Nut Club member and is very passionate about preserving our community.  He and his family are active members of Good Shepherd Catholic Church.

His hobbies include golfing, watching all IU sports, enjoying outdoor activities, but most importantly spending time with his family.  His wife, Martha, is a 2008 graduate of Memorial High School and a graduate from the University of Southern Indiana with a degree in Nutrition.  They currently have three beautiful boys, Daniel (2013), Reid (2015), and Isaac (2018), who keep them very busy!



We would love to welcome Dr. Josh Welborn to our office!


Josh Welborn, DMD

 ***Photo coming soon***


Dr. Welborn grew up in Harrisburg, IL. He graduated from Duke University in 2011 and is a 2018 graduate of Southern University School of Dental Medicine. As a new member of the Evansville community, he is excited to become involved in service organizations to help give back. He is also devoted to ongoing education and training to best serve our patients. 

 He enjoys Duke basketball, fishing, and being a dad. He also looks forward to being an active member in a local church. He and his wife, Reilly, have been married since 2013 and have two young daughters, Aria, born in 2015 and Isla born in 2019.



 Franklin Street Dentistry would also like to say congratulations Dr. Michael A. Sontz on your retirement!!


Michael A. Sontz, DMD

***Not Pictured***

Dr. Sontz is a graduate of the University of Louisville School of Dentistry and has practiced dentistry in Evansville for over 28 years. He is pleased to have merged his practice with Franklin Street Dentistry and is enjoying being a part of such a vibrant and caring practice. He is a member of local, state, and national dental associations.

He has been married to his wife, Jennifer, since 2001 and has a daughter Pam, a PhD research chemist living in San Diego. Dr. Sontz enjoys traveling, being with family, watching many sports, and playing golf. He retired from our practice December of 2019, but remains a vital part of our FSD family.



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Franklin Street Dentistry
2300 W Franklin St Evansville, IN 47712
Phone: (812) 424-6761 URL of Map