29th OAGS Annual Meeting (2023)

  • Details
  • Venue/Accommodation
  • Committee
  • Program
  • Speakers
  • Resident Symposium
  • Register
  • Payment
  • Exhibitors

2023 Details

DATE: Weekend of November 4-5, 2023

Nov.4 - Plenary Meeting
Nov.5 - Resident Symposium

LOCATION: Hilton Toronto Hotel, 145 Richmond St. W., Toronto, ON (Hilton Website)

Meeting: Toronto Ballroom I & II (lower/conventions level)
Exhibiting & Buffet: Toronto Foyer (lower/conventions level)
Lunch Seating: Toronto Ballroom III (lower/conventions level)
Wine/Brew Reception: Toronto Ballroom III (lower/conventions level) - RSVP Only
Dinner Banquet: Toronto Ballroom III (lower/conventions level)- RSVP Only

TARGET AUDIENCE: General Surgeons, General Surgery Residents, Fellows, Physician Assistants

RSVP: Everyone MUST RSVP/register in advance if they wish to attend the annual meeting - regardless of membership status.

EARLY BIRD SPECIAL Deadline extended July 31: Register and pay well in advance to avoid an additional $100 registration service fee.


CME/CPD Accreditation:

This event will be seeking accreditation as an Accredited Group Learning Activity (Section 1) as defined by the Maintenance of Certification program of the Royal College of Physicians and Surgeons of Canada.

Board Election:

UPDATE: The next OAGS Board Election is slated for November 4, 2023 during the 29th OAGS Annual Meeting. The deadline for nominations will be 2 weeks prior (October 21, 2023). If you are interested in running for election, please complete and submit the online nomination form. For more details, please click here.

Venue & Accommodation

Hilton Toronto Downtown Hotel
Toronto Ballroom, Conventions Level
145 Richmond St., Toronto, ON, Canada

NOTE: Hotel Room Group Rate is just $189/standard until Oct.20, so book soon!!


OAGS Terms

Discounted OAGS Room Rate   

$189 (plus tax/fees)

Room Rate Dates Nov.2-6, 2023
Room Rate Deadline/Cut-off October 20, 2023

Hotel Reservations

OAGS Direct Link to Group Rate   

Hotel Policies details
Check In Time 3pm
Check Out Time 12pm noon
Bldg Parking Clearance 6' 4" (scroll down for more details/options)
NOTE: Online reservation link above is preferred. If you must call in your hotel reservation, refer to code "907".


Hilton Toronto Downtown Hotel
145 Richmond St. W., Toronto, Ontario, Canada
Hotel Directions: Click here
NOTE: Don't forget, if you're flying into Pearson International Airport, there is new easy access from the airport to downtown Toronto via the new Union Pearson Express - 25 minute express train every 15 minutes!

Click on +/- to redefine map and locate hotel location below.

Parking Options:

NOTE: The OAGS will NOT be validating parking this year.  Below are several parking options:

* Hilton Toronto downtown Underground Parking: clearance 6'4"

Self Park  (no in/out privileges)
- Weekend/holiday day (7am to 6pm) - $10.00
- Weekend/holiday evening (6pm to 7am) - $10.00
- M-F Evenings (6pm to 7am) - $10.00
- M-F day (7am to 6pm) - $32.00 max
- Lost Ticket - $71
- $45.00 - flat rate for 24 hours (includes in/out privileges)
- $35.00 - flat rate for 24 hours (NO in/out privileges)

* Green P (City Hall/Nathan Phillips - underground): clearance 6'4" ( ... just 1.5 blocks north of the Hilton
* Green P (Adelaide/Spadina - street level): street level lot - no height restrictions ( ... 5+ blocks west of the Hilton (check GreenP for other nearby surface lots)
* Four Seasons Centre for the Performing Arts (underground): $25 (
* Other: Green P - website; - website


OAGS Annual Meeting Committee

  • Dr. Jennifer Macmillan (Chair)
  • Dr. Scott Rieder (Co-Chair)
  • Dr. Luke Bui
  • Dr. Peter Dauphinee
  • Dr. Matthew Holmes
  • Dr. Tim Jackson
  • Dr. Kevin Lefebvre
  • Dr. Andrew Smith
  • Dr. Julie Ann Van Koughnett
(NOTE: The board-at-large also advises the committee.)

OAGS 2023 Annual Meeting "Preliminary" Plenary Program

International Keynote Speaker

Dr. Daniel Hashimoto, MD, MSTR, FACS
University of Pennsylvania, Perelman School of Medicine, Philadelphia, PA, USA

OAGS Program & Education Committee Chair Dr. Jennifer Macmillan
Morning Session Chair: OAGS President Dr. Kevin Lefebvre
Afternoon Session Chair: OAGS Secretary Dr. Julie Ann Van Koughnett
Business Meeting Chair: OAGS Vice President Dr. Rav Singh

NOTE: Topics are still tentative.
Topics SpeakerS
International Key Note: AI in the Future of General Surgery...besides robotics Dr. Daniel Hashimoto

HPB Panel: Keep or Refer...
a)Percutaneous Management of Gallstones in High Risk Patients
b)What's New in Mgmt of Colorectal Liver
c)Safe Cholecystectomy & Porcelain
d)Incidental Liver and Pancreatic Cysts and IPMN

a) Dr. Eran Shlomovitz
b) Dr. Alice Wei
c) Dr. Melanie Tsang
d) Dr. Sanjay Patel
Breast Surgery: Complications In Oncoplastic Surgery - How to avoid/manage (& New Codes) Dr. Sarah Knowles
Practice Management Panel: Avoiding a Lawsuit
a)Office Staff: How to be a good employer (Hiring, Firing & Contracts)
b)CPSO Quality Improvement Program - What is it and what are your responsibilities?
c)How to meet the expectations of the QIP

a) Sherrard Kuzz LLP - TBA
b) CPSO - Dr. Edward Everson
c) CMPA - Dr. Richard Mimeault

Bariatric Management: Heal with Steel or Adjust Your Meal Dr. Amy Neville

Prehab Panel:
a)Nutrition Screening
c)Smoking Cessation & Cannibis
d)SSI Reduction

a) Dr. Brian Mahoney
b) Dr. Grace Ma
c) Dr. Andrew Pipe
d) Dr. Amber Menezes

ACS Oncology Emergencies: Operate or Palliate? Dr. Allison Maciver
T.N.T., It's Dynamite! - Assessing and treating the rectal cancer pathway in 2023 Dr. Sami Chadi
Trauma Panel:
a)TXA - Indications, Controversies and Barriers
b)Logistics of Patient Trauma - How exactly does ORNGE work?
b) Dr. Michelle Sholzberg
a) Dr. Homer Tien
Difficult Hernia: Operate, Defer, or Refer? Dr. Melinda Maggisano
Billing Corner: Code Updates Dr. Kevin Lefebvre
Business Meeting (OAGS & Section) Dr. Rav Singh
Banquet Talk: TBA Dr. Daniel Hashimoto

Registration: 7:00am-9am*
Meeting Begins: 9am
Mid-Morning Break: 10:20am (25min)
Lunch: 12:35pm (60min)*
Mid-Afternoon Break: 3:20pm (25min)
Business Meeting: 5:15pm
Social Hour Reception: 6:00pm
Banquet: 7:00pm
Banquet Presentation: ~8:30pm
Wine/Brew Draw: 9:00pm
Meeting Ends: ~9:30pm
*See also "Unaccredited Symposia" for additional sponsored sessions - coming soon.



2023 OAGS Annual Meeting Guest Speakers (Plenary)

Featuring this year's International Key Note Speaker
for Saturday, November 4, 2023:

Dr. Daniel Hashimoto, MD, MSTR, FACS
Assistant Professor of Surgery, University of Pennsylvania, Perelman School of Medicine;

Director, Penn Computer Assisted Surgery and Outcomes (PCASO) Laboratory;
Co-founder, MGH Surgical Artificial Intelligence and Innovation Laboratory (SAIIL)
Staff Surgeon, Pennsylvania Hospital, Philadelphia, PA
More biographical details


Dr. Sami Chadi, MD, MSc, FRCSC, FACS, FASCRS
Assistant Professor, Sprott Department of Surgery, University of Toronto
Staff, Toronto General Hospital, UHN, Toronto, ON

Dr. Edward Everson, MD, FRCPC
Medical Advisor, Quality Improvement / Quality Assurance,
College of Physicians and Surgeons of Ontario
Staff, MH Physician Site Lead, Emergency Medicine, Trillium Health Centre, Mississauga, ON

Dr.Sarah Knowles, MD, FRCSC
Assistant Professor, Dept. of Surgery and Dept. of Oncology, Western University
Staff, St. Joseph’s Health Care Centre, London, ON

Dr. Grace Ma, MD, MSc, FRCSC
Assistant Professor of Surgery, NOSM
Staff, Northeastern Ontario Rectal and Colon Specialists (NEORCS)
Staff, Health Sciences North, Sudbury, ON

Dr. Allison Maciver, MD, MSc, FRCSC
Assistant Professor, Surgery and Oncology, Western University
Staff: Victoria Hospital, London, ON

Dr. Melinda Maggisano, MD, FRCSC
Faculty Lecturer, Dept. of Surgery, University of Toronto
Staff, Humber River Hospital, Toronto, ON
Dr. Brian Mahoney, MD, CFPC
Founder, PrehabMD Program;
Assistant Professor, Dept. of Medicine, Queen’s University, Kingston, ON;
Family Practice Anesthesia Program Director;
Medical Director, Anesthesiology
Staff: Lennox and Addington County General Hospital, Napanee, ON

Dr. Amber Menezes, MD, FRCSC
Assistant Professor, Dept. of Surgery, NOSM
National Surgical Quality Improvement Program (NSQIP) Surgeon Champion, NBRHC
Co-Chair, Health Quality Ontario - Surgical Site Infections Advisory Committee
Staff: North Bay Regional Health Centre, North Bay, ON

Dr. Richard Mimeault, MD, FRCSC
Retired General Surgeon,
Physician Advisor, Safe Med Care,
Canadian Medical Protective Association, Ottawa, ON
Dr. Amy Neville, MDCM, MSc, FRCSC
Assistant Professor, Dept. of General Surgery, University of Ottawa
Medical Director, TOH Regional Bariatric Centre of Excellence
Staff, The Ottawa Hospital, Ottawa, ON
Dr. Sanjay Patel, MBBS, MSc, FRCSC
Assistant Professor, Dept. of General Surgery, NOSM;
Staff: Health Sciences North Hospital, Sudbury, ON
Dr. Andrew Pipe, CM, BA, MD, LLD (Hons), DSc (Hons), FRCSPC(Hon)
Professor, Faculty of Medicine, University of Ottawa
Co-Developer, Ottawa Model for Smoking Cessation, Ottawa Heart Institute
Chair, Board of the Heart and Stroke Foundation of Canada
Former Chief, (Current Clinical/Research Staff), Division of Prevention and Rehabilitation, University of Ottawa Heart Institute, Ottawa, ON
Dr. Eran Shlomovitz, MD, FRCPC, FRCSC, FACS
Assistant Professor, Dept. of Surgery/ Dept. of Medical Imaging, University of Toronto
Interventional Radiologist and General Surgeon
Staff, Toronto General Hospital, UHN, Toronto, ON
Dr. Michelle Sholzberg, MDCM, MSc, FRCPC
Assistant Professor, Dept. of Medicine, University of Toronto
Scientist, Keenan Research Centre for Biomedical Science (KRCBS);
Division Head, Hematology-Oncology;
Co-Director, Hematology-Oncology Clinical Research Group
Co-Director, Hematology-Immunology Translational Research Theme, Li Ka Shing Knowledge Institute
Medical Director,Coagulation Laboratory,St. Michael’s Hospital - Unity Health, Toronto, ON
Dr. Homer Tien, MD, MSc, FRCSC, FACS
Associate Professor, Dept. of Surgery, University of Toronto
President and CEO, ORNGE (formerly Ontario Air Ambulance Corporation/Service)
Colonel, Canadian Forces Health Services;
Chief Reserve Forces Specialists;
Major Frederick Banting Chair in Military Trauma Research;
Staff: Sunnybrook Health Sciences Centrel, UHN, Toronto, ON
Dr. Melanie Tang, MD, MSc, FRCSC
Assistant Professor, Dept. of Surgery, University of Toronto
ACS National Surgical Quality Improvement Program Surgeon Champion, St. Joseph’s Health Centre;
Vice-Chair - Unity Health Toronto Research Ethics Board;
Staff: St. Joseph's Hospital - Unity Health, Toronto, ON
Dr.Alice Wei, MD, CM, MSc, FRCSC, FACS
Former OAGS President, Ontario, CA
Associate Professor, Dept. of Surgery, Weill-Cornell School of Medicine;
Co-Director, Surgical Initiatives, David M. Rubenstein Center for Pancreatic Cancer Research;
Staff: Memorial Sloan Kettering Cancer Center, New York City, NY, USA

OAGS MDFM/Scotiabank 5th Annual Resident Symposium

Program - coming soon!
Sunday, November 5, 2023
Jackson Room, Conventions Level, Hilton Toronto Downtown Hotel

Moderator: Dr. Tyler McKechnie, OAGS Resident Representative
Theme: Breakfast with the Board

2023 OAGS Annual Meeting Registration: (PART I of II)

Early Bird Special Deadline Extended: July 31

Register Here




Payment: (PART II of II)

Proceed to payment.
(NOTE: If you're uncertain whether you've paid yet, please call the office first: 705-745-5621 / 1-877-717-7765)

NOTE: EVERYONE MUST RSVP/REGISTER - regardless of membership status.

EARLY BIRD SPECIAL EXTENDED July 31st: Register and pay well in advance to avoid an additional $100 registration service fee.

Tax receipts will not be mailed out until the fiscal year-end.

Annual Dues & Meeting Admission Rates


Early Bird Rate

Rate After July 31

OAGS Member - Active Surgeon (ON)

$395 (includes membership)


OAGS Member - Inactive General Surgeon (ON)

$200 (includes membership


OAGS Member - Resident/Fellow (ON)

$50 (includes membership


Non-Member Surgeon/Out-of-Province/Industry



Non-Member -Physician Assistant



Non-Member -Resident/Fellow



Saturday Evening Banquet Fee/person
Members and Non-Members



NOTE: To be an OAGS member, you must be currently practising/living/training within Ontario and hold a RCPSC license or equivalent.  See full membership requirements/benefits here.


2023 OAGS Annual Meeting Exhibitors

Interested in exhibiting with us this fall?

Prospectus & Letter of Invitation:  download

Promotion & Details: download

2023 Program:download
Last Year's Program: download

Application/Contract:  Online / hard copy

Payment:  download