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    Johnson O. Adeyanju, MD

    Internal Medicine

    • (925) 677-0500

    Dr. Adeyanju's Overview

    Dr. Adeyanju graduated from the Louisiana State University School of Medicine at New Orleans in 1989. He works in Concord, CA and specializes in Internal Medicine. Dr. Adeyanju is affiliated with John Muir Medical Center Concord.

    Dr. Adeyanju's Experience

    Years in Practice: 27

    Dr. Adeyanju's Specialties

    Internal Medicine

    Dr. Adeyanju's Education & Training

    Medical School: Louisiana State University School of Medicine at New Orleans; Graduated 1989

    Dr. Adeyanju's Rating

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    Overall Rating


    • Explains conditions & treatments
    • Takes time to answer my questions
    • Provides follow-up as needed
    • View All Ratings

    Dr. Adeyanju's Accepted Insurance

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

    • Aetna Choice POS II
    • Aetna HMO
    • Aetna HMO Deductible Plan CA only
    • Aetna Managed Choice POS
    • Aetna Managed Choice POS Open Access
    • Aetna Signature Administrators PPO
    • BC CA California Care Small Group HMO
    • BCBS Blue Card PPO
    • Blue Cross CA PPO Prudent Buyer Small Group
    • Blue Cross CA Advantage PPO Preferred DirectAccess Plus
    • View More

    Dr. Adeyanju's Office Information & Appointments

    Office Locations

    John Muir Medical Group

    2700 Grant St Ste 200
    Concord, CA 94520
    (925) 677-0500


    Office Hours and Information

    Fax: (925) 677-0519

    Practice Website:

    Accepting New Patients: Yes

    Medicare Accepted: Yes

    Medicaid Accepted: Yes

    Monday 8:00 AM - 5:00 PM
    Tuesday 8:00 AM - 5:00 PM
    Wednesday 8:00 AM - 5:00 PM
    Thursday 8:00 AM - 5:00 PM
    Friday 8:00 AM - 5:00 PM
    Saturday Closed
    Sunday Closed

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    Dr. Adeyanju's Hospital Affiliations

    Office Locations

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