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    Dr. Mary M. O' Neil, MD


    • (716) 898-0755

    Dr. O' Neil's Overview

    Dr. O' Neil graduated from the Saint Louis University School of Medicine in 1990. She works in Cheektowaga, NY and specializes in Rheumatology.

    Dr. O' Neil's Experience

    Years in Practice: 26

    Procedures Performed by Dr. O' Neil

    Dr. O' Neil's Specialties


    Dr. O' Neil's Education & Training

    Medical School: Saint Louis University School of Medicine; Graduated 1990

    Dr. O' Neil'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. O' Neil's Accepted Insurance

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

    • Aetna Choice POS II
    • Aetna Elect Choice EPO
    • Aetna Managed Choice POS
    • Aetna Managed Choice POS Open Access
    • Aetna Signature Administrators PPO
    • BCBS Blue Card PPO
    • CDPHP New York State of Health - Small Business
    • CIGNA Open Access Plus
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    Dr. O' Neil's Office Information & Appointments

    Office Locations

    Rheumatology Wellness Care Of Western New York

    20 Losson Rd Ste 100
    Cheektowaga, NY 14227
    (716) 898-0755


    Office Hours and Information

    Fax: (716) 898-0775

    Practice Website: Not Available

    Accepting New Patients: Yes

    Medicare Accepted: Yes

    Medicaid Accepted: No

    Not Available

    Other Physicians in Dr. O' Neil's Practice

    Dr. O' Neil's Hospital Affiliations

    • Not Available

    Office Locations

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