John Venetos
Experienced in Toxic Megacolon

Dr. John Venetos

Gastroenterology | Internal Medicine
Endeavor Health
John Venetos, MD, Ltd.
2740 W. Foster Ave., Suite 116, 
Chicago, IL 
Offers Telehealth

Experienced in Toxic Megacolon
Endeavor Health
John Venetos, MD, Ltd.
2740 W. Foster Ave., Suite 116, 
Chicago, IL 
OverviewInsuranceLocationsSimilar Doctors

Overview

John Venetos is an Internal Medicine specialist and a Gastroenterologist in Chicago, Illinois. Dr. Venetos is rated as an Experienced provider by MediFind in the treatment of Toxic Megacolon. His top areas of expertise are Gastrointestinal Bleeding, Protein Deficiency, Esophagitis, Colonoscopy, and Gastrostomy.

Graduate Institution
University Of Illinois At Chicago College Of Medicine, 1986
Residency
University of Illinois at Chicago, Internal Medicine, 1989
Specialties
Gastroenterology
Internal Medicine
Licenses
Internal Medicine in IL
Board Certifications
American Board Of Internal Medicine
Fellowships
Loyola University Stritch School of Medicine, Gastroenterology, 1991
Hospital Affiliations
Ingalls Memorial Hospital
Swedish Hospital
Methodist Hospital Of Chicago
Thorek Memorial Hospital
Northshore University Healthsystem - Evanston Hospital
Languages Spoken
English
Gender
Male

Insurance

Accepted insurance can change. Please verify directly with the provider.

Find your insurance
Find your insuranceClose

Accepted insurance plans:

Aetna
  • EPO
  • HMO
  • POS
  • PPO
Anthem BCBS
  • EPO
  • HMO
  • POS
  • PPO
Blue Cross Blue Shield
  • EPO
  • HMO
  • POS
  • PPO
Blue Shield of California
  • HMO
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • MEDICARE-MEDICAID PLAN
  • OTHER COMMERCIAL
  • OTHER MEDICARE
  • OTHER MEDICARE PART D
  • PPO
Celtic
  • HMO
  • INSURANCE PLAN
  • PPO
Cigna
  • EPO
  • HMO
  • PPO
Health Care Services Corporation
  • HMO
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • MEDICARE SNP
  • OTHER COMMERCIAL
  • OTHER MEDICARE
  • OTHER MEDICARE PART D
  • PPO
Highmark
  • EPO
  • HMO
  • PPO
Humana
  • HMO
  • INDEMNITY
  • POS
  • PPO
Managed Medicaid
  • OTHER MANAGED MEDICAID
Medicaid
  • OTHER MEDICAID
  • STATE MEDICAID
Meridian Choice
  • HMO
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE SNP
  • MEDICARE-MEDICAID PLAN
  • OTHER COMMERCIAL
  • OTHER MEDICARE
  • OTHER MEDICARE PART D
Northern Plains Alliance
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE PDP
Sentara Healthcare
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE ASSISTANCE PROGRAM
  • MEDICARE MAPD
  • MEDICARE SNP
  • OTHER COMMERCIAL
  • OTHER MEDICARE
  • OTHER MEDICARE PART D
TeamCare
  • OTHER COMMERCIAL
UnitedHealthcare
  • EPO
  • HMO
  • POS
  • PPO
Walgreens
  • MEDICARE DISCOUNT CARD
  • MEDICARE PDP
  • OTHER MEDICARE
Wellcare
  • EPO
  • HMO
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • MEDICARE SNP
  • MEDICARE-MEDICAID PLAN
  • OTHER MEDICARE
  • OTHER MEDICARE PART D
View 13 Less Insurance Carriers -

Locations

John Venetos, MD, Ltd.
2740 W. Foster Ave., Suite 116, Chicago, IL 60625
Call: 773-989-6262

Additional Areas of Focus

Dr. Venetos has provided the following conditions as areas of focus. Please note that we may not have enough data to validate their experience in some of these conditions.

Non-Alcoholic Fatty Liver Disease
Nonalcoholic Steatohepatitis (NASH)
Similar Doctors
Advanced in Toxic Megacolon
Dr. Frank Hoentjen
Gastroenterology
Advanced in Toxic Megacolon
Dr. Frank Hoentjen
Gastroenterology

Office

5841 S Maryland Ave Rm M226, 
Chicago, IL 
 (12.2 miles away)
773-702-6073
Languages Spoken:
English

Frank Hoentjen is a Gastroenterologist in Chicago, Illinois. Dr. Hoentjen is rated as a Distinguished provider by MediFind in the treatment of Toxic Megacolon. His top areas of expertise are Viral Gastroenteritis, Colitis, Crohn's Disease, Colonoscopy, and Endoscopy.

Advanced in Toxic Megacolon
Dr. Dejan Micic
Gastroenterology
Advanced in Toxic Megacolon
Dr. Dejan Micic
Gastroenterology

Loyola University Medical Center

6800 N Frontage Rd, 
Burr Ridge, IL 
 (19.1 miles away)
708-216-0464
Languages Spoken:
English
See accepted insurances
Offers Telehealth

Dejan Micic is a Gastroenterologist in Burr Ridge, Illinois. Dr. Micic is rated as a Distinguished provider by MediFind in the treatment of Toxic Megacolon. His top areas of expertise are Ulcerative Colitis, Viral Gastroenteritis, Short Bowel Syndrome, Endoscopy, and Colonoscopy.

Advanced in Toxic Megacolon
Dr. Jacob Ollech
Gastroenterology
Advanced in Toxic Megacolon
Dr. Jacob Ollech
Gastroenterology

University Of Chicago Physicians Group

180 Harvester Dr Ste 110, 
Burr Ridge, IL 
 (20.4 miles away)
773-702-8597
Languages Spoken:
English

Jacob Ollech is a Gastroenterologist in Burr Ridge, Illinois. Dr. Ollech is rated as a Distinguished provider by MediFind in the treatment of Toxic Megacolon. His top areas of expertise are Viral Gastroenteritis, Colitis, Radiation Enteritis, Ileostomy, and Endoscopy.

VIEW MORE TOXIC MEGACOLON DOCTORS

Areas of Expertise

MediFind evaluates expertise by pulling from factors such as number of articles a doctor has published in medical journals, participation in clinical trials, speaking at industry conferences, prescribing and referral patterns, and strength of connections with other experts in their field.

Learn more about MediFind’s expert tiers

Find Dr. Venetos's expertise for a condition
ConditionClose
    • Distinguished
    • Angiodysplasia of the Colon
      Dr. Venetos is
      Distinguished
      . Learn about Angiodysplasia of the Colon.
      See more Angiodysplasia of the Colon experts
    • Choledocholithiasis
      Dr. Venetos is
      Distinguished
      . Learn about Choledocholithiasis.
      See more Choledocholithiasis experts
    • Esophagitis
      Dr. Venetos is
      Distinguished
      . Learn about Esophagitis.
      See more Esophagitis experts
    • Gallstones
      Dr. Venetos is
      Distinguished
      . Learn about Gallstones.
      See more Gallstones experts
    • Gastrointestinal Bleeding
      Dr. Venetos is
      Distinguished
      . Learn about Gastrointestinal Bleeding.
      See more Gastrointestinal Bleeding experts
    • Menetrier Disease
      Dr. Venetos is
      Distinguished
      . Learn about Menetrier Disease.
      See more Menetrier Disease experts
    View All 9 Distinguished Conditions
    • Advanced
    • Acute Pancreatitis
      Dr. Venetos is
      Advanced
      . Learn about Acute Pancreatitis.
      See more Acute Pancreatitis experts
    • Alcoholic Cirrhosis
      Dr. Venetos is
      Advanced
      . Learn about Alcoholic Cirrhosis.
      See more Alcoholic Cirrhosis experts
    • Ascites
      Dr. Venetos is
      Advanced
      . Learn about Ascites.
      See more Ascites experts
    • Bile Duct Obstruction
      Dr. Venetos is
      Advanced
      . Learn about Bile Duct Obstruction.
      See more Bile Duct Obstruction experts
    • Bile Duct Stricture
      Dr. Venetos is
      Advanced
      . Learn about Bile Duct Stricture.
      See more Bile Duct Stricture experts
    • Childhood Pancreatitis
      Dr. Venetos is
      Advanced
      . Learn about Childhood Pancreatitis.
      See more Childhood Pancreatitis experts
    View All 40 Advanced Conditions
    • Experienced
    • Achalasia
      Dr. Venetos is
      Experienced
      . Learn about Achalasia.
      See more Achalasia experts
    • Anemia
      Dr. Venetos is
      Experienced
      . Learn about Anemia.
      See more Anemia experts
    • Arteriovenous Malformation
      Dr. Venetos is
      Experienced
      . Learn about Arteriovenous Malformation.
      See more Arteriovenous Malformation experts
    • Attenuated Familial Adenomatous Polyposis
      Dr. Venetos is
      Experienced
      . Learn about Attenuated Familial Adenomatous Polyposis.
      See more Attenuated Familial Adenomatous Polyposis experts
    • Bacterial Gastroenteritis
      Dr. Venetos is
      Experienced
      . Learn about Bacterial Gastroenteritis.
      See more Bacterial Gastroenteritis experts
    • Banti's Syndrome
      Dr. Venetos is
      Experienced
      . Learn about Banti's Syndrome.
      See more Banti's Syndrome experts
    View All 50 Experienced Conditions
    Want to save this doctor for later?
    Sign Up
    Is this your doctor?
    Find A Second Opinion
    Not sure about your diagnosis?
    Check Your Symptoms
     
     
     
     
    Learn about our expert tiers
    Learn More
    Are you the provider on this profile?
    Claim Profile
    For Patients
    • Our Story
    • How MediFind Works
    • Conditions A-Z
    • Doctor Directory
    • Symptoms Directory
    • Procedures Directory
    • Treatment Directory
    • Drug Directory
    • Infusion Center Finder
    • FAQ
    • Contact Us
    For Providers and Practices
    • Claim Your Profile
    • Newsroom
    Business Solutions
    • Provider
    • Network Solutions
    Additional Resources
    • Consumer Health Data Privacy Policy
    • Privacy Policy
    • Terms of Use
    • Advertising Policy
    • Content Policy
    Subscribe to our newsletter

    Sign up to stay informed about MediFind and get wellness sent your way.

    Close

      By subscribing, I agree to MediFind's Terms of Use, Privacy Policy and Consumer Health Data Privacy Policy, as applicable.

      Bullet PinMediFind
      Follow us on
      This information is not intended as a substitute for informed medical advice. You should work with a licensed professional to diagnose and treat health conditions. We let the data speak for itself, MediFind does not endorse any healthcare providers.
      © 2026 All Rights Reserved

      Request an Appointment

      If you are experiencing a medical emergency, call 9-1-1.

      Once you submit your request, MediFind will reach out to the provider’s office to help schedule your appointment. Note that this is not a confirmed booking. You’ll receive a status update via email within 1–2 business days.

      Patient Details

      This information is for the patient who will be seen at the appointment.

          Close

          Returning patient? Use your address on file with the provider.

          Insurance Details

          Please provide information of the primary insurance holder as the practice may require this information to schedule.

          Insurance Provider *
          Insurance ProviderClose

          Appointments Details

          Let’s get more information about your appointment.

                  0 / 1000
                  By pressing the Submit button you are agreeing to MediFind’s Terms of Use, Privacy Policy and Consumer Health Data Privacy Policy, as applicable.