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    Dr. Nieves-Osa's Overview

    Dr. Nieves-Osa graduated from the University of Puerto Rico School of Medicine in 1990. He works in Brownsville, TX and specializes in Obstetrics & Gynecology. Dr. Nieves-Osa is affiliated with Valley Baptist Medical Center.

    Dr. Nieves-Osa's Experience

    Years in Practice: 27

    Dr. Nieves-Osa's Specialties

    Obstetrics & Gynecology

    Dr. Nieves-Osa's Education & Training

    Medical School: University of Puerto Rico School of Medicine; Graduated 1990

    Dr. Nieves-Osa'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. Nieves-Osa's Accepted Insurance

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

    • Aetna Choice POS II
    • Aetna Managed Choice POS Open Access
    • Aetna Signature Administrators PPO
    • BCBS Blue Card PPO
    • BCBS TX Blue Advantage HMO
    • BCBS TX BlueChoice
    • CIGNA Open Access Plus
    • First Health PPO
    • Humana Choice POS
    • View More

    Dr. Nieves-Osa's Office Information & Appointments

    Office Locations

    Brownsville Obstetrics & Gynecology Associates

    800 W Jefferson St Ste 210
    Brownsville, TX 78520
    (956) 550-8733


    Office Hours and Information

    Fax: (956) 550-9299

    Practice Website:

    Accepting New Patients: Yes

    Medicare Accepted: Yes

    Medicaid Accepted: Yes

    Monday 8:30 AM - 5:30 PM
    Tuesday 8:30 AM - 5:30 PM
    Wednesday 8:30 AM - 5:30 PM
    Thursday 8:30 AM - 5:30 PM
    Friday 8:30 AM - 12:00 PM
    Saturday Closed
    Sunday Closed

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