Physician Directory

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  • Catherine J. Gray MD MSc FRCPC

    Physician Bio

    Faculty Career Path: Clinician Teacher

    Dr. Gray is a UBC medical graduate who joined the staff in 2010 having completed her Fellowship in Toronto. She is an Assistant Professor in the Faculty of Medicine and her career path is as a busy Clinician-teacher at both the Civic and General Campuses.

    Physician Contact
    Title: Assistant Professor of Medicine, University of Ottawa, General Internal Medicine
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    Administrative Contact
    Name: Pauline Denault
    Phone: 613 761 5164
    Fax: 613 761 4036
    Mailing Address: Ottawa Hospital –Civic Campus, D105C 1053 Carling Avenue Ottawa, ON, K1Y 4E9
  • Sylvie Gregoire MD FRCPC

    Physician Bio

    Gi training at TOH .

    Fellowship in Marseille (France) in therapeutic endoscopy.

    Joined gi division 1988.

    Current responsibilities :

    -Clinician teacher with expertise in therapeutic endoscopy

    -GI block chair for francophone students at Ottawa University

    -Director of Endoscopy , TOH

    Physician Contact
    Title: Sylvie Gregoire
    Phone: 613 738 8400 ext: 82197

    1919 Riverside Drive

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    Administrative Contact
    Mailing Address: 1919 Riverside Drive #206
  • David Grimes MD FRCPC

    Physician Bio

    Dr. David Grimes

    Division Head Neurology

    Dr. Grimes received his Doctorate in Medicine (Cum Laude) and completed his residency in Neurology at the University of Ottawa. He then spent two years (1997 to 1999) at the Toronto Hospital and the Centre for Research in Neurodegenerative Diseases as a research fellow in movement disorders and molecular genetics. He joined the Department of Medicine in Ottawa in 1999 and is currently an Associate Professor at the University of Ottawa and an Associate Scientist at the Ottawa Hospital Research Institute.

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    Physician Contact
    Title: Head, Division of Neurology
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    Administrative Contact
    Name: Kristina Zacharias
    Phone: 18162
  • Antoine Hakim MD PhD FRCPC

    Physician Bio

    Antoine Hakim MD PhD FRCPC

    Faculty Career Path: Clinician Administrator

    Dr. Antoine Hakim was first an engineer and at the age of 29 began his medical training at The Albany Medical College in New York.  In 1979 he completed his residency in Neurology at the Montreal Neurological Institute at which time his research career in stroke began.

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    Physician Contact
    Title: Neurologist
    object(stdClass)#338 (1) { ["title"]=> string(11) "Neurologist" }
    Administrative Contact
    Name: Nancy MacDonald
    Phone: 613 562 5462
    Fax: 613 562 5403
    Mailing Address: 451 Smyth Road, Rm 2411 Ottawa ON K1H 8M5
  • Samantha Halman MD FRCPC

    Physician Bio

    Samantha Halman MD FRCPC MMED

    GIM 2-year Subspecialty Program Director

    Dr. Halman took over as the Program Director for the GIM 2-year residency program in January 2017 after acting as the Academic Lead and Associate Program Director since 2013.


    Physician Contact
    Title: Samantha Halman
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    Administrative Contact
    Name: Stacy Louwe-Bromley
    Phone: 613 737 8979
    Fax: 613 737 8688
    Mailing Address: The Ottawa Hospital General Campus CPCR 501 Smyth Road, Box 209 Ottawa ON K1H 8L6
  • Michael Hartwick MD FRCPC

    Physician Bio

    Faculty Career Path: Clinician Teacher

    Dr. Michael Hartwick is an Assistant Professor and a clinical scholar in the Division of Palliative Care and Critical Care Medicine at the University of Ottawa. Dr. Hartwick works as a Palliative Care physician on the Palliative Care Unit at Bruyère Continuing Care and as a Palliative Care physician for The Ottawa Hospital’s Palliative Care Consultation Service. He also practices as an Intensivist in the Intensive Care Unit at The Ottawa Hospital.

    Dr. Hartwick graduated from medical school at the University of Calgary in 2004. He completed his core Internal Medicine residency training at the University of Ottawa serving as Chief Medical Resident in 2007. Dr. Hartwick completed a joint two-year fellowship program in Palliative Care Medicine and Critical Care Medicine in July 2009.

    Dr. Hartwick is currently completing his Master’s studies in Medical Education. He is affiliated with AIME (Academy for Innovation in Medical Education) through the Health Care Education Scholars Program and an AIME Research Fellowship beginning July 2012. Dr. Hartwick’s academic and education interests are communication skills for acute care physicians and palliative/end-of -life care in the ICU. He is a career tracked Clinician-Teacher.


    Physician Contact
    Title: Physician, Palliative Care
    Phone: 613 737 8940

    The Ottawa Hospital

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    Administrative Contact
    Name: Fatima Tohme
    Phone: 613 737 8899 ext 79830
    Fax: 613 737 8890
    Mailing Address: The Ottawa Hospital General Campus 501 Smyth Road Ottawa ON K1H 8L2