Doctor Sim is a family, cosmetic, and implant dentist offering exceptional dental treatment in Merrillville, Indiana since 1991.

He is committed to providing conservative, comfortable dental care to all of his patients. He genuinely enjoys his work because he cares about people he loves to see his patients walk out of his office with big, healthy smiles. 

Dr. Sim graduated from Indiana University School of Dentistry in 1991. He is a member of the American Dental Association, Indiana Dental Association, Northwest Indiana Dental Society, and the International Association of Orthodontics.

The doctor and his wife Hyunah have two beautiful daughters, Sophia and Sarah, and one adorable son, Alexander. In his free time Dr. Sim enjoys spending time with his family, attending church, and running. He is an avid marathoner, he has run in every Chicago Marathon since 2002, and in 2009 he ran in the Boston Marathon.