Skip to main content

Dr. O'Neil is on Doximity

As a Doximity member you'll join over two million verified healthcare professionals in a private, secure network.

  • Gain access to free telehealth tools, such as our “call shielding” and one-way patient texting.
  • Connect with colleagues in the same hospital or clinic.
  • Read the latest clinical news, personalized to your specialty.

See Dr. O'Neil's full profile

Already have an account?

  • Office

    903 W Martin St
    San Antonio, TX 78207
    Phone+1 210-358-3555

Education & Training

  • University of Texas Health Science Center San Antonio Joe and Teresa Lozano Long School of Medicine
    University of Texas Health Science Center San Antonio Joe and Teresa Lozano Long School of MedicineFellowship, Infectious Disease, 2017
  • UMass Chan Medical School
    UMass Chan Medical SchoolResidency, Internal Medicine, 2010 - 2013
  • University of Texas Medical Branch School of Medicine
    University of Texas Medical Branch School of MedicineClass of 2010

Certifications & Licensure

  • TX State Medical License
    TX State Medical License 2017 - 2025
  • MA State Medical License
    MA State Medical License 2013 - 2015
  • American Board of Internal Medicine Internal Medicine
  • American Board of Internal Medicine Infectious Disease