John W. Karesh
Advanced in Type 2 Diabetes (T2D)

Dr. John W. Karesh

Internal Medicine
Aurora Healthcare
Advocate Medical Group Internal Medicine
80 Templeton Dr, 
Oswego, IL 
On Staff At

Advanced in Type 2 Diabetes (T2D)
Aurora Healthcare
Advocate Medical Group Internal Medicine
80 Templeton Dr, 
Oswego, IL 
OverviewInsuranceLocationsSimilar Doctors

Overview

John Karesh is a primary care provider, practicing in Internal Medicine in Oswego, Illinois. Dr. Karesh is rated as an Advanced provider by MediFind in the treatment of Type 2 Diabetes (T2D). His top areas of expertise are Type 2 Diabetes (T2D), Maturity Onset Diabetes of the Young, High Cholesterol, and Fibromyalgia.

Graduate Institution
University Of Chicago Pritzker School Of Medicine, MD
Residency
Northwestern University Medical School, Internal Medicine
Specialties
Internal Medicine
Licenses
Internal Medicine in IL
Board Certifications
American Board Of Internal Medicine
Hospital Affiliations
Copley Memorial Hospital
Advocate Christ Hospital & Medical Center
Northwestern Medicine Delnor Community Hospital
Advocate Good Samaritan 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
Cambia Health Solutions
  • EPO
  • INSURANCE PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • OTHER COMMERCIAL
  • OTHER MEDICARE
  • PPO
Capital Blue Cross
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • OTHER MEDICARE PART D
  • PPO
Celtic
  • HMO
  • INSURANCE PLAN
  • PPO
Change Healthcare
  • OTHER MEDICARE
  • OTHER MEDICARE PART D
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
Highmark
  • EPO
  • HMO
  • PPO
Horizon Healthcare
  • EPO
  • POS
Humana
  • HMO
  • INDEMNITY
  • POS
  • PPO
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
Oscar
  • EPO
  • HMO
  • PPO
Premera Blue Cross
  • INSURANCE PLAN
  • MEDICARE MAPD
  • OTHER COMMERCIAL
  • PPO
Spectrum Priority Health
  • HMO
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • OTHER COMMERCIAL
TeamCare
  • OTHER COMMERCIAL
Trustmark
  • PPO
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

Advocate Medical Group Internal Medicine
80 Templeton Dr, Oswego, IL 60543
Call: 630-554-3456
Similar Doctors
Distinguished in Type 2 Diabetes (T2D)
Dr. Neda Laiteerapong
Internal Medicine
Distinguished in Type 2 Diabetes (T2D)
Dr. Neda Laiteerapong
Internal Medicine

The University Of Chicago

5841 S Maryland Ave, 
Chicago, IL 
 (39.0 miles away)
773-702-1000
Languages Spoken:
English
See accepted insurances
Offers Telehealth

Neda Laiteerapong is a primary care provider, practicing in Internal Medicine in Chicago, Illinois. Dr. Laiteerapong is rated as an Advanced provider by MediFind in the treatment of Type 2 Diabetes (T2D). Her top areas of expertise are Type 2 Diabetes (T2D), Maturity Onset Diabetes of the Young, Hypothyroidism, Hypertension, and Hormone Replacement Therapy (HRT).

Distinguished in Type 2 Diabetes (T2D)
Dr. Nadia A. Toshani
Internal Medicine
Distinguished in Type 2 Diabetes (T2D)
Dr. Nadia A. Toshani
Internal Medicine

Select Outpatient Services Inc

2600 Compass Rd, 
Glenview, IL 
 (39.8 miles away)
Languages Spoken:
English, Arabic, German, Spanish
See accepted insurances
Accepting New Patients
Offers Telehealth

Nadia Toshani is a primary care provider, practicing in Internal Medicine in Glenview, Illinois. Dr. Toshani is rated as a Distinguished provider by MediFind in the treatment of Type 2 Diabetes (T2D). Her top areas of expertise are Maturity Onset Diabetes of the Young, Type 2 Diabetes (T2D), Lupus Nephritis, Colonoscopy, and Endoscopy. Dr. Toshani is currently accepting new patients.

Distinguished in Type 2 Diabetes (T2D)
Dr. Rajan H. Patel
Internal Medicine
Distinguished in Type 2 Diabetes (T2D)
Dr. Rajan H. Patel
Internal Medicine

Endeavor Health Medical Group

2650 Ridge Ave, 
Evanston, IL 
 (43.4 miles away)
Languages Spoken:
English, Hindi
See accepted insurances
Accepting New Patients
Offers Telehealth

Rajan Patel is a primary care provider, practicing in Internal Medicine in Evanston, Illinois. Dr. Patel is rated as a Distinguished provider by MediFind in the treatment of Type 2 Diabetes (T2D). His top areas of expertise are Bronchitis, Sitosterolemia, Infant Hyperglycemia, and High Cholesterol. Dr. Patel is currently accepting new patients.

VIEW MORE TYPE 2 DIABETES (T2D) 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. Karesh's expertise for a condition
ConditionClose
      • Advanced
      • Type 2 Diabetes (T2D)
        Dr. Karesh is
        Advanced
        . Learn about Type 2 Diabetes (T2D).
        See more Type 2 Diabetes (T2D) experts
      • Experienced
      • Acute Kidney Failure
        Dr. Karesh is
        Experienced
        . Learn about Acute Kidney Failure.
        See more Acute Kidney Failure experts
      • Anemia
        Dr. Karesh is
        Experienced
        . Learn about Anemia.
        See more Anemia experts
      • Bronchiectasis
        Dr. Karesh is
        Experienced
        . Learn about Bronchiectasis.
        See more Bronchiectasis experts
      • Cellulitis
        Dr. Karesh is
        Experienced
        . Learn about Cellulitis.
        See more Cellulitis experts
      • Chronic Kidney Disease
        Dr. Karesh is
        Experienced
        . Learn about Chronic Kidney Disease.
        See more Chronic Kidney Disease experts
      • Chronic Pain
        Dr. Karesh is
        Experienced
        . Learn about Chronic Pain.
        See more Chronic Pain 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.

        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.