Steven Zenker, MD
Pediatrics • Alton, IL
About
Steven Zenker, MD is a board-certified pediatrician in Alton, Illinois who treats patients from birth to age 18. He provides preventative care including wellness exams, vaccinations, and sports physicals, as well as treatment for illnesses, injuries, and chronic conditions like asthma and diabetes. Dr. Zenker earned his medical degree from Southern Illinois University School of Medicine and completed his pediatric training at the University of Missouri.
Clinic Type
Pediatrics
Address
1 Professional Dr, Alton, IL 62002
Phone
618-463-8500
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Opening Hours
Not published — contact the clinic to confirm hours.
Services Offered
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Team
Insurance & Payment
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Languages Spoken
Social Media
Photos
What Patients Say
Overall sentiment across review platforms: positive
- BJC Healthcare: 4.7 out of 5 (73 ratings (6 written reviews))
- WebMD Care: 4.5 out of 5 (21 ratings (1 written review))
- Vitals: 4.4 out of 5 (22 ratings (1 written review))
Patients praise
- Knowledgeable provider
- Experienced pediatrician
- Very happy with care for children since birth
Common complaints
- "Poor experience" mentioned in one review
"Zenker is very straightforward but he is very knowledgeable and you can tell that he has seen or heard it all when it comes to childhood illnesses."
— Healthgrades"I am very happy to write a review for Dr. Zenker. He has been my daughters doctor since birth, and I couldn't be happier with my choice."
— Yelp/Yahoo Local"Poor experience with Dr. Zenker. Would not recommend."
— VitalsSynthesized from public review platforms as of Jul 11, 2026 — sources: [1][2][3][4].
In the News
Information sourced from the clinic's website as of July 11, 2026.
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