Experienced in Hepatitis

Dr. Justin Kosirog

Gastroenterology
Aurora Healthcare
Illinois Gastroenterology Group, LLC
745 Fletcher Dr, 
Elgin, IL 
On Staff At
Offers Telehealth

Experienced in Hepatitis
Aurora Healthcare
Illinois Gastroenterology Group, LLC
745 Fletcher Dr, 
Elgin, IL 
OverviewInsuranceLocationsClinical ResearchSimilar Doctors

Overview

Justin Kosirog is a Gastroenterologist in Elgin, Illinois. Dr. Kosirog is rated as an Experienced provider by MediFind in the treatment of Hepatitis. His top areas of expertise are Hemorrhoids, Trichohepatoenteric Syndrome, Diarrhea, and Familial Adenomatous Polyposis.

His clinical research consists of co-authoring 4 peer reviewed articles. MediFind looks at clinical research from the past 15 years.

Residency
University of Illinois at Chicago, College of Medicine (UIC COM), Internal Medicine/Emergency Medicine
Specialties
Gastroenterology
Board Certifications
American Board Of Internal Medicine
Fellowships
University of Oklahoma, Gastroenterology
Hospital Affiliations
Saint Joseph Hospital-Elgin
Advocate Sherman 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
  • 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
Capital Blue Cross
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • OTHER MEDICARE PART D
  • PPO
Celtic
  • HMO
  • INSURANCE PLAN
  • PPO
Cigna
  • EPO
  • HMO
  • PPO
Devoted Health
  • MEDICARE MAPD
  • OTHER MEDICARE
Health Alliance
  • EPO
  • HMO
  • POS
  • 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
Health First
  • HMO
  • POS
Highmark
  • EPO
  • HMO
  • PPO
Humana
  • HMO
  • INDEMNITY
  • POS
  • PPO
Managed Medicaid
  • OTHER MANAGED MEDICAID
Medica
  • EPO
  • HMO
  • PPO
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
Nippon Life
  • INSURANCE PLAN
Northern Plains Alliance
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE PDP
Premera Blue Cross
  • INSURANCE PLAN
  • MEDICARE MAPD
  • OTHER COMMERCIAL
  • PPO
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 19 Less Insurance Carriers -

Locations

Illinois Gastroenterology Group, LLC
745 Fletcher Dr, Elgin, IL 60123
Call: 847-888-1300

Additional Areas of Focus

Dr. Kosirog 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)

Clinical Research

Clinical research consists of overseeing clinical studies of patients undergoing new treatments and therapies, and publishing articles in peer reviewed medical journals. Providers who actively participate in clinical research are generally at the forefront of the fields and aware of the most up-to-date advances in treatments for their patients.


4 Total Publications

High-risk smoking in the United States: Nicotine staining predicts increased colonic adenomas and advanced adenomas on colonoscopy.
High-risk smoking in the United States: Nicotine staining predicts increased colonic adenomas and advanced adenomas on colonoscopy.
Journal: Preventive medicine
Published: February 15, 2024
View All 4 Publications
Similar Doctors
Distinguished in Hepatitis
Dr. David Kim
Gastroenterology
Distinguished in Hepatitis
Dr. David Kim
Gastroenterology

Illinois Gastroenterology Group LLC

1415 S Arlington Heights Rd, 
Arlington Heights, IL 
 (18.2 miles away)
847-660-7755
Languages Spoken:
English
See accepted insurances
Offers Telehealth

David Kim is a Gastroenterologist in Arlington Heights, Illinois. Dr. Kim is rated as a Distinguished provider by MediFind in the treatment of Hepatitis. His top areas of expertise are Hepatitis, Autoimmune Hepatitis, Nonalcoholic Steatohepatitis (NASH), Endoscopy, and Colonoscopy.

Distinguished in Hepatitis
Dr. Nikos Christopoulos
Gastroenterology
Distinguished in Hepatitis
Dr. Nikos Christopoulos
Gastroenterology

Endeavor Health Medical Group

21481 N Rand Rd, 
Kildeer, IL 
 (15.8 miles away)
847-618-9696
Languages Spoken:
English
See accepted insurances

Nikos Christopoulos is a Gastroenterologist in Kildeer, Illinois. Dr. Christopoulos is rated as an Advanced provider by MediFind in the treatment of Hepatitis. His top areas of expertise are Hepatitis, Ascites, Hepatitis C, Gastrectomy, and Endoscopy.

Distinguished in Hepatitis
Dr. Harshavardhan Dalal
Gastroenterology
Distinguished in Hepatitis
Dr. Harshavardhan Dalal
Gastroenterology

Community Care Network Inc

9030 Columbia Ave, 
Munster, IN 
 (55.1 miles away)
219-836-6002
Languages Spoken:
English
See accepted insurances

Harshavardhan Dalal is a Gastroenterologist in Munster, Indiana. Dr. Dalal is rated as a Distinguished provider by MediFind in the treatment of Hepatitis. His top areas of expertise are Gastritis, Diverticular Disease, Hepatitis, Endoscopy, and Gastrostomy.

VIEW MORE HEPATITIS 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. Kosirog's expertise for a condition
ConditionClose
      • Advanced
      • Acute Pancreatitis
        Dr. Kosirog is
        Advanced
        . Learn about Acute Pancreatitis.
        See more Acute Pancreatitis experts
      • Childhood Pancreatitis
        Dr. Kosirog is
        Advanced
        . Learn about Childhood Pancreatitis.
        See more Childhood Pancreatitis experts
      • Chronic Erosive Gastritis
        Dr. Kosirog is
        Advanced
        . Learn about Chronic Erosive Gastritis.
        See more Chronic Erosive Gastritis experts
      • Colonic Malakoplakia
        Dr. Kosirog is
        Advanced
        . Learn about Colonic Malakoplakia.
        See more Colonic Malakoplakia experts
      • Diarrhea
        Dr. Kosirog is
        Advanced
        . Learn about Diarrhea.
        See more Diarrhea experts
      • Diverticular Disease
        Dr. Kosirog is
        Advanced
        . Learn about Diverticular Disease.
        See more Diverticular Disease experts
      View All 16 Advanced Conditions
      • Experienced
      • Alcoholic Cirrhosis
        Dr. Kosirog is
        Experienced
        . Learn about Alcoholic Cirrhosis.
        See more Alcoholic Cirrhosis experts
      • Anal Fissure
        Dr. Kosirog is
        Experienced
        . Learn about Anal Fissure.
        See more Anal Fissure experts
      • Anemia
        Dr. Kosirog is
        Experienced
        . Learn about Anemia.
        See more Anemia experts
      • Angiodysplasia of the Colon
        Dr. Kosirog is
        Experienced
        . Learn about Angiodysplasia of the Colon.
        See more Angiodysplasia of the Colon experts
      • Ascites
        Dr. Kosirog is
        Experienced
        . Learn about Ascites.
        See more Ascites experts
      • Bacterial Gastroenteritis
        Dr. Kosirog is
        Experienced
        . Learn about Bacterial Gastroenteritis.
        See more Bacterial Gastroenteritis experts
      View All 60 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.

        MediFind will contact the provider for your appointment request. You’ll receive status updates by email. Your provider or MediFind will reach out to you directly by phone or email to schedule your appointment or request additional information.

        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
                  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.