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Doctors & clinics in Alton, IL

41 doctors & clinics listed in Alton, Illinois. 40 with a phone number and 37 with a website.

Alton accounts for 0.3% of the doctors & clinics listed in Illinois.

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Quick answer

Alton, IL has 41 doctors & clinics listed on USA Business Search. 40 list a phone number and 37 list a website. The most listings are in ZIP codes 62002.

Updated October 2026
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How to choose a doctor in Alton

  • Call your insurance to confirm the provider is in network before your first visit.
  • Ask about telehealth options and how to reach the office after hours.
  • Ask how long it usually takes to get a new-patient appointment.

Check the business: confirm a company's registration with the state in our Illinois business lookup guide, and licensed trades in the contractor license lookup guide.

Common questions

How many doctors & clinics are listed in Alton, Illinois?

USA Business Search shows 41 doctors & clinics in Alton. 40 list a phone number and 37 list a website.

Which ZIP codes do these listings cover?

They include ZIP codes 62002.

How do I choose a doctor in Alton?

Call your insurance to confirm the provider is in network before your first visit. Ask about telehealth options and how to reach the office after hours. Ask how long it usually takes to get a new-patient appointment. Check the license or registration through the Illinois business lookup guide.

How do I add or fix a listing?

Listings are free. Use Add your business, or the Claim or fix link on any listing.

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