Konstantin Umanskiy, MD

UChicago Faculty Physicians

Konstantin Umanskiy, MD

Professor of Surgery

My name is Konstantin Umanskiy, and I work as a colon and rectal surgeon at the UChicago Medicine. I take care of patients with diseases of colon and rectum, which is any condition that affects large intestine but also patients with Crohn's disease and ulcerative colitis.

I take care of patients with diverticulitis, which is an inflammation of the large intestine, and I also take care of patients with conditions affecting pelvic floor, such as constipation, incontinence, or pelvic organ prolapse, as well as conditions of anorectal regions such as hemorrhoids, fissures, fistulas, as well as patients with cancers of the colon and rectum.

I chose to become a physician because, even as a young child, I was initially mesmerized by the concept of being a physician, and particularly a surgeon. There was something mysterious or-- as a child, I thought something magical about a person going to the operating room and taking care of human beings.

But as I grew up and matured, I realized that this would be a perfect fit for me. So surgery has always been in my mind, and I'm happy to be a surgeon. When I first came to Chicago, it was training at Cook County as a colon and rectal surgical fellow. Some of my family members who lived in the greater Chicagoland area, they said, if in the city of Chicago, somebody has a problem that nobody else can take care of, they go to the University of Chicago on the South Side.

And I said, there must be something special there. So I was very excited to apply for the job and be considered for the job. And 15 years later, I'm still here taking care of the most complicated, the most challenging cases and taking care of patients with problems that many other surgeons can't take care of.

My philosophy of care for my patient is to treat my patients with respect-- respect and, of course, compassion. But I emphasize respect because taking care of patients from different walks of life, it helps to first demonstrate and establish how much I care and respect who they are and where the patients are from, and that allows me to become their doctor and take good care of them.

Konstantin Umanskiy, MD, specializes in the treatment of a wide variety of colon and rectal diseases such as colon and rectal cancer, inflammatory bowel disease (ulcerative colitis and Crohn’s disease), complex anorectal disorders and diverticulitis. His area of clinical and research interests include the treatment of patients with pelvic floor disorders (constipation, incontinence and pelvic organ prolapse). Dr. Umanskiy uses traditional surgical approaches, as well as state-of-the-art minimally invasive laparoscopic and robotic techniques.

Dr. Umanskiy has strong clinical and research interests in innovative surgical techniques, especially robotic and telemedicine applications for colon and rectal surgery.

Board Certifications

  • Colon and Rectal Surgery
  • Surgery

Memberships & Medical Societies

  • Crohn's and Colitis Foundation
  • American Gastrointestinal and Endoscopic Surgeons
  • Alpha Omega Alpha Honor Medical Society
  • American Society of Colon and Rectal Surgeons
  • Chicago Society of Colon and Rectal Surgeons
  • Society of Surgical Oncology
  • Association for Academic Surgery

Practicing Since

  • 2008

Languages Spoken

  • English
  • Russian

Medical Education

  • Case Western Reserve University


  • University of Cincinnati Medical Center


  • John H. Stroger, Jr. Hospital of Cook County

News & Research

View Published Papers
  • Aetna HMO (specialists only)
  • Aetna POS
  • Aetna PPO
  • BCBS Blue Precision HMO (specialists only)
  • BCBS HMO (HMOI) (specialists only)
  • Cigna HMO
  • Cigna POS
  • Cigna PPO
  • CountyCare *see insurance page
  • Aetna Better Health *see insurance page
  • Medicare
  • Multiplan PPO
  • United Choice Plus POS/PPO
  • United Options (PPO)
  • United Select (HMO & EPO) (specialists only)
  • United W500 Emergent Wrap
  • Aetna Medicare Advantage HMO & PPO
  • BCBS Medicare Advantage HMO & PPO
  • Humana Medicare Advantage Choice PPO
  • Humana Medicare Advantage Gold Choice PFFS
  • Humana Medicare Advantage Gold Plus HMO
  • United Choice HMO (specialists only)
  • University of Chicago Health Plan (UCHP)

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