Meet the Staff at GI Solutions


Experts in Digestive Health Care in Chicago, IL

All our professionals at GI Solutions maintain the highest levels of accreditation and pursue ongoing education to stay abreast of the latest trends in gastroenterology.

  • Physicians
  • Anesthesiologists
  • Nurse Practitioners
  • Registered Nurses
  • Medical Assistants
  • Receptionist
  • Administrative staff

Arun Ohri, M.D.

Arun Ohri, MD

Dr. Ohri has been named as one of Chicago’s top doctors by Castle Connelly Medical Ltd. for the past 14 years and is highlighted in the Consumer Research Council of America’s edition of “America’s Top Physicians.”

View Dr. Arun Ohri’s CV

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Paul Fahrenbach, M.D.

Paul Fahrenback, MD

Dr. Paul Fahrenbach received board certification in internal medicine in 1992 and board certification in gastroenterology in 1993.

View Dr. Paul Fahrenbach’s CV

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Veena Nannegari-Khiani, M.D.

Dr. Nannegari-Khiani is currently Board Certified in Internal Medicine and Board Eligible in Gastroenterology.

View Dr. Nannegari-Khiani’s CV

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Stanislaw A. Maslanka Jr., M.D.

Dr. Maslanka has practiced general medicine and gastroenterology for over 30 years.

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Simi Jesto Joseph, DNP, APN, NP-C

Simi Jesto Joseph, DNP, APN, NP-C

A board-certified Nurse Practitioner, Simi Jesto Joseph assists physicians with highly advanced endoscopic procedures, including ablation treatment, TIF and endoscopic GERD therapy.

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COVID-19 Update

Telehealth Communication Appointments are now AVAILABLE! Please contact our office at 773-631-2728 for further information or click on “Appointment Request” on our home screen and our office will follow up with you.

GI Solutions Inc