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    Dr. Sean R. O'Brien, MD

    Allergy & Immunology, Pediatric Allergy/Immunology

    • (410) 358-3000

    Dr. O'Brien's Overview

    Dr. O'Brien graduated from the University of Chicago Pritzker School of Medicine in 1975. He works in Baltimore, MD and specializes in Allergy & Immunology and Pediatric Allergy/Immunology. Dr. O'Brien is affiliated with Sinai Hospital Of Baltimore.

    Dr. O'Brien's Experience

    Years in Practice: 41

    Procedures Performed by Dr. O'Brien

    Dr. O'Brien's Specialties

    Allergy & Immunology, Pediatric Allergy/Immunology

    Dr. O'Brien's Education & Training

    Medical School: University of Chicago Pritzker School of Medicine; Graduated 1975

    Dr. O'Brien's Rating

    Rate This Doctor

    Overall Rating


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

    Dr. O'Brien'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
    • View More

    Dr. O'Brien's Office Information & Appointments

    Office Locations

    Sherman & Obrien Mds PA

    6810 Park Heights Ave Ste C5
    Baltimore, MD 21215
    (410) 358-3000


    Office Hours and Information

    Fax: (410) 358-3146

    Practice Website: Not Available

    Accepting New Patients: Yes

    Medicare Accepted: Yes

    Medicaid Accepted: No

    Monday 10:00 AM - 3:00 PM
    Tuesday 11:00 AM - 7:00 PM
    Wednesday 10:00 AM - 12:00 PM
    Thursday 11:00 AM - 7:00 PM
    Friday 10:00 AM - 1:00 PM
    Saturday Closed
    Sunday Closed

    Other Physicians in Dr. O'Brien's Practice

    • Not Available

    Dr. O'Brien's Hospital Affiliations

    Office Locations

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