Skip to main content
Christopher Brennan, MD, Internal Medicine, West Islip, NY

ChristopherMichaelBrennanMD

Internal Medicine West Islip, NY

Hospital Medicine/Hospitalist

El Capitan

Dr. Brennan 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. Brennan's full profile

Already have an account?

  • Office

    1000 Montauk Highway
    West Islip, NY 11795
    Phone+1 631-376-3613

Education & Training

  • Roger Williams Medical Center
    Roger Williams Medical CenterChief Residency, Internal Medicine, 2010 - 2011
  • Roger Williams Medical Center
    Roger Williams Medical CenterResidency, Internal Medicine, 2008 - 2010
  • Roger Williams Medical Center
    Roger Williams Medical CenterInternship, Internal Medicine, 2007 - 2008
  • Ross University School of Medicine
    Ross University School of MedicineClass of 2007
  • Rensselaer Polytechnic Institute
    Rensselaer Polytechnic InstituteB.S, Management Information Systems, 1997 - 2001