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Medical Group Primary Care & Infectious Disease

Primary Care & Infectious Disease

​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​SSM Health Medical Group
602 S. 42nd Street
Suite B
Mt. Vernon​, IL 62864
Dr. Nair's Office: 618-899-3777
Dr. Subhani's Office: 618-436-5270

Map & Directions​​ ​​​​ ​

​​​​​Map

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    Dr. Nair's Hours:
  • Monday         9 am - 5 pm
  • Tuesday         9 am - 5 pm
  • Wednesday   9 am - 5 pm
  • Thursday       9 am - 5 pm
  • Friday ​            9 am - 5 pm

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    Dr. Subhani's Hours:
  • Monday         1 - 5 pm
  • Tuesday         closed
  • Wednesday   8 am - Noon
  • Thursday       closed
  • Friday ​            closed
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Our Primary Care & Infectious Disease Providers


Sudeep A. Nair, MD

618-899-3777
Internal Medicine

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Nida Subhani, MD
Nida Subhani, MD

Infectious Disease
618-436-5270
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About Our Services

The SSM Health Medical Group location at 602 S. 42nd Street, Suite B in Mt. Vernon, Illinois provides internal medicine and infectious disease services. Internal medicine providers or internists focus on prevention, diagnosis and treatment of illness in adults. They also help manage chronic diseases, such as diabetes, arthritis, digestive issues and heart disease. 

SSM Health Medical Group also has an Infectious Disease specialist to help you manage care without traveling to a larger city.

What does an Infectious Disease Provider Treat?

An infectious disease provider has additional training to diagnose and treat routine and chronic infections of the brain, heart, bowel, sinuses, bones, urinary tract, lungs or pelvic organs. Conditions are usually caused by bacteria, viruses, fungi or parasites. If you are traveling to a foreign country, Dr. Subhani could discuss potential risks of infection. 

Your primary care provider might recommend a consult with Dr. Subhani if:

  • An infection is potentially serious
  • There are issues with treatment
  • If special insights into tests are needed ​
  • You have an animal or insect bite

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After hours in our Patient-Centered Medical Home, care is available 24/7. If assistance is needed after office hours: 

  • In an emergency, call 911 or go to the nearest emergency room.
  • For urgent medical issues, call the office number and follow the instructions to reach the on-call provider.
  • If urgent care is needed after hours, SSM Health Express Clinics are a convenient alternative as they are open seven days a week. Learn more here.