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    Dr. Mario O. Belledonne, MD


    • (301) 881-7511

    Dr. Belledonne's Overview

    Dr. Belledonne graduated from the Univ Nac Mayor De San Marcos, Fac De Med, Lima, Peru in 1974. He works in Rockville, MD and specializes in Nephrology. Dr. Belledonne is affiliated with Adventist Healthcare Shady Grove Medical Center and Holy Cross Hospital.

    Dr. Belledonne's Experience

    Years in Practice: 42

    Dr. Belledonne's Specialties


    Dr. Belledonne's Education & Training

    Medical School: Univ Nac Mayor De San Marcos, Fac De Med, Lima, Peru; Graduated 1974

    Dr. Belledonne's Rating

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    Overall Rating


    • Explains conditions & treatments
    • Takes time to answer my questions
    • Provides follow-up as needed
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    Dr. Belledonne'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
    • Aetna Managed Choice POS Open Access
    • Aetna Select
    • Aetna Signature Administrators PPO
    • BCBS Blue Card PPO
    • CareFirst BlueChoice Advantage
    • CareFirst BluePreferred PPO
    • CareFirst Maryland POS
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    Dr. Belledonne's Office Information & Appointments

    Office Locations

    Mario O Belledonne MD

    121 Congressional Ln Ste 205
    Rockville, MD 20852
    (301) 881-7511


    Office Hours and Information

    Fax: (301) 881-7408

    Practice Website: Not Available

    Accepting New Patients: Yes

    Medicare Accepted: Yes

    Medicaid Accepted: Yes

    Monday 9:00 AM - 5:00 PM
    Tuesday 9:00 AM - 5:00 PM
    Wednesday 9:00 AM - 5:00 PM
    Thursday 9:00 AM - 5:00 PM
    Friday 9:00 AM - 5:00 PM
    Saturday Closed
    Sunday Closed

    Other Physicians in Dr. Belledonne's Practice

    • Not Available

    Office Locations

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