Summary

As a board-certified pediatrician, Dr. William Renk provides comprehensive medical care to children of all ages. As a well-rounded person, Dr. Renk believes in making the most of life. In his medical practice, he works with parents to help them raise healthy, well-adjusted children.For more information, or to schedule an appointment with Dr. Renk, please call SwedishAmerican Medical Group/Brookside at (815) 391-7810.

Quick Facts

  • 4.2
  • 35 years of experience
  • speaks English, Spanish
  • University Of Iowa
  • 5 written reviews
  • 1 specialty
  • 5 areas of expertise
  • 1 board certification
  • 2 hospital affiliations
  • 3 office locations
  • Male

Office Locations

Dr. William Sidney Renk has 3 locations

Swedishamerican Medical Group Creekside Medical Center

3505 N Bell School RdRockford, IL 61114
Mon8:00 am - 6:00 pm
Tue8:00 am - 6:00 pm
Wed8:00 am - 6:00 pm
Thu8:00 am - 6:00 pm
Fri8:00 am - 6:00 pm
SatClosed
SunClosed

Uw Health Hospital

1401 E State StRockford, IL 61104

Swedishamerican Women And Childrens Hospital

1350 Charles StRockford, IL 61104

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Dr. William Sidney Renk, MD
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Dr. William Sidney Renk, MDDr. Joanna Betancourt, MD, FAAPSR Fredy David Valero HernandezDr. Tracy Ching-Hue Burton
PediatricsPediatricsPediatricsPediatrics
Accepts New Patients Accepts New Patients Accepts New Patients
4.2 
35 Years of Experience 9 Years of Experience 18 Years of Experience
No Virtual Visit Option No Virtual Visit Option Virtual Visit Available Virtual Visit Available
Speaks English, Spanish Speaks English, Spanish Speaks English, Spanish Speaks Chinese, Spanish
Rockford , ILAlgonquin , ILFranklin , TNFranklin , TN
Med School: University Of Iowa Med School: Pontificia Universidad Javeriana - Bogota, Colombia Med School: University Of Alabama School Of Medicine
Current Profile
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Insurance Plans Accepted by Dr. William Sidney Renk

Be sure to verify insurance information directly with your doctor's office, as it may undergo frequent changes.

Medical Specialties

Dr. William Sidney Renk has the following specialty

Specialty Expertise

Dr. William Sidney Renk has the following 5 areas of expertise

  • Check-up
  • Immunization
  • Pediatric Diabetes
  • Physical
  • Vaccination

Certifications, License, & Education

35 Years Experience

MEDICAL LICENSE

Medical Doctor, Illinois, 2026, Active

EDUCATION & TRAINING

Medical School

University Of IowaGraduated in 1991

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Frequently Asked Questions

Is Dr. William Renk accepting new patients?
Dr. William Renk has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.
Does Dr. William Renk accept my insurance?
You can see the insurance plans that Dr. William Renk accepts on their Vitals profile.
Which hospitals is Dr. William Renk affiliated with?
Dr. William Renk is affiliated with SWEDISHAMERICAN HOSPITAL and Swedishamerican Women And Childrens Hospital.
What languages does Dr. William Renk speak?
Dr. William Renk speaks English and Spanish.
Where is Dr. William Renk's office located?
Dr. William Renk's office is located at 3505 N Bell School Rd, Rockford, IL, 61114.

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