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    Dr. Mark A. Johnston, MD

    Internal Medicine, Public Health & General Preventive Medicine

    • (214) 361-5432

    Dr. Johnston's Overview

    Dr. Johnston graduated from the University of Texas Southwestern Medical Center at Dallas in 1984. He works in Dallas, TX and specializes in Internal Medicine and Public Health & General Preventive Medicine. Dr. Johnston is affiliated with Texas Health Presbyterian Hospital Dallas.

    Dr. Johnston's Experience

    Years in Practice: 32

    Dr. Johnston's Specialties

    Internal Medicine, Public Health & General Preventive Medicine

    Dr. Johnston's Education & Training

    Medical School: University of Texas Southwestern Medical Center at Dallas; Graduated 1984

    Dr. Johnston'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. Johnston'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 Managed Choice POS Open Access
    • Aetna Signature Administrators PPO
    • BCBS Blue Card PPO
    • BCBS TX BlueChoice
    • CIGNA LocalPlus
    • CIGNA Open Access Plus
    • View More

    Dr. Johnston's Office Information & Appointments

    Office Locations

    Medical Clinic North Texas
    Medical Partners Of Dallas

    7515 Greenville Ave Ste 600
    Dallas, TX 75231
    (214) 361-5432


    Office Hours and Information

    Fax: (214) 363-8710

    Practice Website: Not Available

    Accepting New Patients: Yes

    Medicare Accepted: Yes

    Medicaid Accepted: No

    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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