Photo of Mary Martin, M.S., CCC-A from CGH Main Clinic

Mary Martin,


Dr. Mary Martin is the licensed audiologist serving patients at Sterling Rock Falls Clinic. She earned her master’s degree from Bradley University and her doctorate from the Arizona School of Health Sciences. Dr. Martin is highly qualified and trained to attend to the individual needs of her patients.

Photo of Laurie Zollinger, AuD, FAAA from CGH Main Clinic

Laurie Zollinger,


Dr. Laurie Zollinger is a licensed audiologist in the state of Illinois. She earned her bachelor’s degree from the Illinois State University, her master’s degree from Northern Illinois University and a doctorate degree from PCO School of Audiology. Dr. Zollinger is a fellow of the American Academy of Audiology.


Clinic location map


Healthy Hearing posts all positive and negative reviews that meet publishing criteria.

Write a review

Click on the orange button above and tell others about your experience at CGH Main Clinic to help them find the hearing care they need.

Clinic details

A tradition of excellence in the Sauk Valley

The Sterling Rock Falls Clinic has been providing health care to area residents since 1953. Today we are one of the largest physician groups in northwest Illinois, providing a broad range of medical services to our patients at the Sterling and Dixon clinics. In addition to our main office in Sterling, we offer primary care services in Rock Falls and Morrison. 

Hearing care services

  • Hearing aids
  • Hearing loss
  • Dizziness
  • Imbalance
  • Tinnitus
  • Noise surveys
  • OSHA hearing conservation programs
  • Referral for vestibular rehabilitation


(815) 564-2547

Hours of operation

Monday8 am - 5 pm
by appointment
Tuesday8 am - 5 pm
by appointment
Wednesday8 am - 5 pm
by appointment
Thursday8 am - 5 pm
by appointment
Friday8 am - 5 pm
by appointment
SaturdayOpen by appointment

Clinic links

Accepted forms of payment

  • Visa
  • MasterCard
  • Discover
  • Cash
  • Check
  • Insurance accepted, please call for details
Disclaimer: This clinic profile is for general information purposes only.
Made for your lifestyle. Made to connect. Made for you.