Joseph Ahn
Distinguished in Hepatitis

Dr. Joseph Ahn

Gastroenterology | Transplant Surgery | Internal Medicine
Endeavor Health
Endeavor Health Medical Group
1000 Central St., Suite 717, 
Evanston, IL 
21 Years of Experience

Distinguished in Hepatitis
Endeavor Health
Endeavor Health Medical Group
1000 Central St., Suite 717, 
Evanston, IL 
OverviewInsuranceLocationsClinical ResearchSimilar Doctors

Overview

Joseph Ahn, MD, a gastroenterology specialist at Endeavor Health, provides care for patients with digestive system conditions. Dr. Ahn evaluates and treats disorders affecting the esophagus, stomach, intestines, liver and pancreas. He uses a combination of diagnostic procedures and treatment strategies to help patients manage symptoms and improve digestive health.

Dr. Ahn is rated as a Distinguished provider by MediFind in the treatment of Hepatitis. His top areas of expertise are Hepatitis, Hepatitis C, Visceromegaly, Enlarged Liver, and Liver Transplant.

His clinical research consists of co-authoring 64 peer reviewed articles. MediFind looks at clinical research from the past 15 years. In particular, he has co-authored 23 articles in the study of Hepatitis.

Graduate Institution
Northwestern Feinberg School Of Medicine, 2000
Residency
University of Chicago - Pritzker School of Medicine, Internal Medicine, 2003
Specialties
Gastroenterology
Transplant Surgery
Internal Medicine
Licenses
Internal Medicine in OR
Board Certifications
American Board Of Internal Medicine
Fellowships
Northwestern University Feinberg School of Medicine, Gastroenterology, 2006
Hospital Affiliations
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
AllCare Health
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
ATRIO Health
  • MEDICARE MAPD
  • MEDICARE SNP
  • OTHER MEDICARE PART D
  • 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
BridgeSpan
  • EPO
  • HMO
Cambia Health Solutions
  • EPO
  • INSURANCE PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • OTHER COMMERCIAL
  • OTHER MEDICARE
  • 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
Humana
  • HMO
  • INDEMNITY
  • POS
  • PPO
Kaiser
  • EPO
  • HMO
  • POS
Kaiser Permanente
  • HMO
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • OTHER MEDICARE
  • 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
Moda Health
  • EPO
  • PPO
Oscar
  • EPO
  • HMO
  • PPO
PacificSource
  • PPO
Premera Blue Cross
  • INSURANCE PLAN
  • MEDICARE MAPD
  • OTHER COMMERCIAL
  • PPO
Regence
  • EPO
  • PPO
Samaritan
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE SNP
  • OTHER MEDICARE PART D
Trillium
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
Tufts
  • HMO
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 21 Less Insurance Carriers -

Locations

Endeavor Health Medical Group
1000 Central St., Suite 717, Evanston, IL 60201
Call: 847-657-1900
Other Locations
Endeavor Health Medical Group
9650 Gross Point Rd., Suite 3900, Skokie, IL 60076
Call: 847-657-1900

Additional Areas of Focus

Dr. Ahn 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.


112 Total Publications

LLM-Powered Automated Infection Detection in Cirrhosis: Achieving Expert-Level Accuracy from Clinical Documents.
LLM-Powered Automated Infection Detection in Cirrhosis: Achieving Expert-Level Accuracy from Clinical Documents.
Journal: Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual International Conference
Published: December 03, 2025
View All 112 Publications
Similar Doctors
Claus Fimmel
Distinguished in Hepatitis
Dr. Claus Fimmel
Gastroenterology | Transplant Surgery | Internal Medicine
Distinguished in Hepatitis
Dr. Claus Fimmel
Gastroenterology | Transplant Surgery | Internal Medicine

Comprehensive Gastrointestinal Health

950 Technology Way, Suite 250, 
Libertyville, IL 
 (22.5 miles away)
224-407-4400
Languages Spoken:
English, German
See accepted insurances

Claus Fimmel is an Internal Medicine specialist and a Gastroenterologist in Libertyville, Illinois. Dr. Fimmel is rated as a Distinguished provider by MediFind in the treatment of Hepatitis. His top areas of expertise are Hepatitis, Autoimmune Hepatitis, Hepatitis C, Gastrectomy, and Endoscopy.

Daniel R. Ganger
Distinguished in Hepatitis
Dr. Daniel R. Ganger
Transplant Surgery
Distinguished in Hepatitis
Dr. Daniel R. Ganger
Transplant Surgery
259 E Erie St Ste 1600, Lavin Family Pavilion, 
Chicago, IL 
 (12.2 miles away)
312-695-4837
Experience:
49+ years
Languages Spoken:
English
See accepted insurances
Offers Telehealth

Daniel Ganger is a Transplant Surgeon in Chicago, Illinois. Dr. Ganger has been practicing medicine for over 49 years and is rated as an Elite provider by MediFind in the treatment of Hepatitis. His top areas of expertise are Liver Failure, Hepatitis, Cirrhosis, Liver Transplant, and Endoscopy.

Sean Koppe
Distinguished in Hepatitis
Dr. Sean Koppe
Hepatology | Gastroenterology
Distinguished in Hepatitis
Dr. Sean Koppe
Hepatology | Gastroenterology

Northwestern Medicine Group

1200 S. York St., Suite 3100, 
Elmhurst, IL 
 (18.6 miles away)
Languages Spoken:
English
See accepted insurances
Offers Telehealth

Sean Koppe is a Hepatologist and a Gastroenterologist in Elmhurst, Illinois. Dr. Koppe is rated as a Distinguished provider by MediFind in the treatment of Hepatitis. His top areas of expertise are Hepatitis, Hepatitis C, Visceromegaly, Liver Transplant, and Endoscopy.

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. Ahn's expertise for a condition
ConditionClose
    • Distinguished
    • Enlarged Liver
      Dr. Ahn is
      Distinguished
      . Learn about Enlarged Liver.
      See more Enlarged Liver experts
    • Hepatitis
      Dr. Ahn is
      Distinguished
      . Learn about Hepatitis.
      See more Hepatitis experts
    • Hepatitis C
      Dr. Ahn is
      Distinguished
      . Learn about Hepatitis C.
      See more Hepatitis C experts
    • Visceromegaly
      Dr. Ahn is
      Distinguished
      . Learn about Visceromegaly.
      See more Visceromegaly experts
    • Advanced
    • Alcoholic Cirrhosis
      Dr. Ahn is
      Advanced
      . Learn about Alcoholic Cirrhosis.
      See more Alcoholic Cirrhosis experts
    • Ascites
      Dr. Ahn is
      Advanced
      . Learn about Ascites.
      See more Ascites experts
    • Autoimmune Hepatitis
      Dr. Ahn is
      Advanced
      . Learn about Autoimmune Hepatitis.
      See more Autoimmune Hepatitis experts
    • Budd-Chiari Syndrome
      Dr. Ahn is
      Advanced
      . Learn about Budd-Chiari Syndrome.
      See more Budd-Chiari Syndrome experts
    • Cholangitis
      Dr. Ahn is
      Advanced
      . Learn about Cholangitis.
      See more Cholangitis experts
    • Cirrhosis
      Dr. Ahn is
      Advanced
      . Learn about Cirrhosis.
      See more Cirrhosis experts
    View All 15 Advanced Conditions
    • Experienced
    • Banti's Syndrome
      Dr. Ahn is
      Experienced
      . Learn about Banti's Syndrome.
      See more Banti's Syndrome experts
    • Caroli Disease
      Dr. Ahn is
      Experienced
      . Learn about Caroli Disease.
      See more Caroli Disease experts
    • Congenital Hepatic Fibrosis
      Dr. Ahn is
      Experienced
      . Learn about Congenital Hepatic Fibrosis.
      See more Congenital Hepatic Fibrosis experts
    • Esophageal Varices
      Dr. Ahn is
      Experienced
      . Learn about Esophageal Varices.
      See more Esophageal Varices experts
    • Fetal Thalidomide Syndrome
      Dr. Ahn is
      Experienced
      . Learn about Fetal Thalidomide Syndrome.
      See more Fetal Thalidomide Syndrome experts
    • Hepatic Cystic Hamartoma
      Dr. Ahn is
      Experienced
      . Learn about Hepatic Cystic Hamartoma.
      See more Hepatic Cystic Hamartoma experts
    View All 17 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.