About Our Doctors

Our doctors pride themselves on providing our patients with the most comprehensive and innovative eye care allowing for early diagnosis of ocular disease. We use the latest in optical lens design whether through glasses or contact lenses to provide the best quality vision for our patients.

Chad Otte

Dr. Chad A. Otte

Dr. Chad A. Otte was raised in Maria Stein, OH and graduated in 2003 from Marion Local High School. He then attended Wilmington College where he graduated with honors with his bachelor’s degree in Biology/Pre-Medicine. Dr. Otte graduated cum laude from The OSU College of Optometry in 2011, and has been working at Mercer In-Sight, LLC ever since. He is a member of the AOA, OOA, Beta Sigma Kappa, and was Zone Governor for the AOA Zone 10. He resides in Celina with his wife Beth and their two children Lucy and Beau.

Joshua Werling

Dr. Joshua J. Werling

Dr. Joshua Werling was born and raised in St. Henry where he graduated from St. Henry High School in 2007. He then attended Ohio Dominican University for 3 years before being accepted early into The OSU College of Optometry. Dr. Werling graduated cum laude from OSU in 2014 and shortly after began his Optometry career at Mercer In-Sight, LLC. He resided in St. Henry, OH with his wife Kelly.

Megan rutledge

Dr. Megan Rutledge

Dr. Megan Rutledge is a 2007 graduate of Wapakoneta High School. She then attended The Ohio State University, graduating cum laude with honors in 2011 with her bachelor’s degree in biology and cum laude in 2015 with her doctorate in optometry. Dr. Rutledge recently completed a year-long residency in Ocular Disease at the Department of Veterans Affairs Medical Center in Dayton, Ohio. She is a member of the American Optometric Association, Ohio Optometric Association, Beta Sigma Kappa International Optometric Honor Society, and is currently pursuing her fellowship in the American Academy of Optometry. She resides in Wapakoneta and is looking forward to providing primary eye care to the patients of Mercer In-Sight, LLC.

About Our Team

Our team of eye care professionals is experienced and friendly. We’re here to help all patients understand their benefits, schedule appointments, and fulfill their eye doctor’s orders. Our opticians can give you guidance in picking out your perfect pair of eyewear, and our friendly office staff is knowledgeable about billing and benefits coverage.

Learn more about each location below.


Our Locations


  • 706 E Wayne St.
  • Celina, OH 45822

Phone: 419-586-2909

About Celina


  • 515 E. Main St. Suite B.
  • Anna, OH 45302

Phone: 937-639-2909

About Anna

Van Wert

  • 321 W Main St.
  • Van Wert, OH 45891

Phone: 419-238-5503

About Van Wert


  • 739 Spruce Ave.
  • Sidney, OH 45365

Phone: 937-492-1990

About Sidney