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ESA - Illinois

Evansville Surgical Associates

Specialized Care in Mount Carmel and Eldorado

Serving patients at Wabash General Hospital and Ferrell Hospital

Proudly serving patients at Wabash General Hospital in Mount Carmel and Ferrell Hospital in Eldorado, the ESA-Illinois team offers general surgery and colorectal procedures. Our 24/7 call coverage providers have advanced training in minimally invasive and laparoscopic procedures for faster recovery times. Contact us today to learn more about our services in Southern Illinois and the Tri-State area.

Meet Our Surgeons

Katharine A. Lasher, MD

Dr. Lasher is a full-time surgeon at Wabash General Hospital. An experienced general surgeon, Dr. Lasher also specializes in gastrointestinal scopes, EGDs, and breast health services. Dr. Lasher is originally from Evansville, Indiana and is certified with the American Board of Surgery and American College of Surgeons.

ESA-Illinois Colorectal Clinic

Gupta Samir

Samir K. Gupta, M.D.

See Bio

Deane L. Smith II, M.D.

See Bio

Call Coverage Providers

Joshua M. Aaron, M.D.

See Bio
Gupta Samir

Samir K. Gupta, M.D.

See Bio

Dharmesh M. Patel, M.D.

See Bio

Henry Roberts, M.D.

See Bio

Jay H. Woodland, M.D.

See Bio

ESA - Illinois

Wabash General Hospital
  • 1418 College Dr Mt Carmel, IL 62863
  • (618) 262-8621
  • Monday - Friday 9:00am - 5:00pm
Ferrell Hospital
  • 1201 Pine St Eldorado, IL 62930
  • (618) 273-3361
  • Mon-Fri: 8:00am - 4:00pm

Ready to take the next step? Request an appointment!

Call Now: 812-424-8231

Evansville Surgical Associates
520 Mary Street Suite 520 Evansville, IN 47710, USA
Monday – Friday 8:00am – 4:30pm


812-424-8231 | 800-264-8231 | fax 812-464-8352

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  • St. Vincent Campus

    801 St. Mary's Drive

    Suite 200 East
    Evansville, IN 47714

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    100 St. Mary's Epworth

    Crossing #A200
    Newburgh, IN 47630

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    4133 Gateway Blvd

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    Newburgh, IN 47630

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    Evansville, IN 47710

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Copyright © 2025 · Evansville Surgical Associates

ESA continues to expand throughout the Midwest!

Come see us in Indiana, Kentucky, or Illinois!

The experienced providers you trust.
The exceptional care you deserve.

Call 812-424-8231 to make an appointment.