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    Greg Jun, MD

    Internal Medicine

    • (815) 455-6000

    Dr. Jun's Overview

    Dr. Jun graduated from the Northwestern University Feinberg School of Medicine in 1997. He works in Crystal Lake, IL and 1 other location and specializes in Internal Medicine. Dr. Jun is affiliated with Advocate Good Shepherd Hospital, Advocate Sherman Hospital and Centegra Hospital Mchenry.

    Dr. Jun's Experience

    Years in Practice: 20

    Dr. Jun's Specialties

    Internal Medicine

    Dr. Jun's Education & Training

    Medical School: Northwestern University Feinberg School of Medicine; Graduated 1997

    Dr. Jun's Rating

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    Physician

    • Explains conditions & treatments
    • Takes time to answer my questions
    • Provides follow-up as needed
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    Dr. Jun's Accepted Insurance

    Please verify insurance information directly with your doctor's office as it may change frequently.

    • Anthem Blue Access PPO
    • BCBS Blue Card PPO
    • BCBS IL BlueChoice Select
    • BCBS IL PPO
    • CIGNA HMO
    • CIGNA Open Access Plus
    • CIGNA PPO
    • Land of Lincoln Adventist
    • Land of Lincoln Centegra
    • Land of Lincoln Family Health Network
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    Dr. Jun's Office Information & Appointments

    Office Locations

    *This physician has multiple office locations. See Office Information for details.

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