11104 S. Natoma Ave.

Worth, IL 60482

(708) 448-0333

Dental Staff

Our Worth, IL Dental Staff

Your Dentist in Worth, IL

All our professionals at All Smiles maintain the highest levels of accreditation and pursue ongoing education to stay abreast of the latest trends in dentistry.

Frederick Mueller, DDS

General Dentist & Sedation Dentist in Worth, IL

All Smiles

Dr. Frederick Mueller - Worth Dentist, Palos Park Dentist

Dr. Mueller graduated from the University of Illinois undergraduate and University of Illinois School of Dentistry . Dr. Mueller understands the need to continue lifelong education and has completed extensive post-graduate training in his 30 years of general dentistry practice. He has studied TMJ and bite disorders, orthodontics, cosmetics, Botox and dermal fillers, implant surgery, and restoration. You can have confidence in Dr. Mueller's diagnostic and treatment skills. He is a proud member of the American Academy of Facial Esthetics .

Dr. Mueller emphasizes as a gentle, caring dentist who treats the patient and their individual needs, not just their teeth.

Dr. Mueller lives in the western suburbs. He is married and has one child. Along with participating in his child's activities, he enjoys reading, fishing and the outdoors.

Ron Baran, DDS

Dr. Ron Baran - Worth Dentist

General Dentist with Specialty in Endodontics

Dr. Ron Baran graduated from Loyola University's Dental School whereupon he was commissioned as a Captain in the U.S. Army Dental Corps. After returning from the military, he has practiced around Chicago and the suburban area. His current specialty is endodontics. Additionally, he holds an MBA from Keller Graduate School of Management and an MA in counseling psychology from Roosevelt University. In his spare time, he enjoys woodworking, travel and bicycling.

Jianjun Hao, DDS, MS & PhD

Dr. Jianjun Hao - Worth Dentist


Dr. Jianjun Hao, DDS, MS & Ph.D. is a diplomate of American Board of Orthodontics. He was trained in the College of Dentistry at the University of Illinois at Chicago. He was a clinical assistant professor at University of Connecticut Health Center before joining All Smiles in Worth.

Dr. Hao is married and has one son He is also a Boston marathon runner.

Irene Skirius DDS, MS, MPH

Pediatric Dentist
Dr. Irene Skirius - Worth Dentist

Dr. Skirius graduated from the University of Illinois College of Dentistry where she also completed her pediatric dentistry training. Since graduation she has treated children as young as one, adolescents, teenagers, young adults and special needs patients. She is a member of the American Academy of Pediatric Dentistry, Illinois Society of Pediatric Dentistry, American Dental Association, Illinois State Dental Society, and the Chicago Dental Society.

Dr. Skirius lives in the western suburbs. She is married and has two adult children. In her spare time she enjoys gardening and traveling.