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Over 42 physicians and surgeons in our surgical program care for patients of all ages. We perform over 8,000 surgeries per year. About 50-60 per cent of our surgeries are out-patient procedures. This means you will have your surgery, spend approximately two hours after surgery recovering in the hospital, and then return home the same day.

Our Surgical Program focuses on:

  • Safety and excellence
  • Increased access to care; providing the “right” care at the “right” time
  • Reducing surgical wait time
  • Minimally invasive technology
  • Ambulatory or same day surgery
  • Surgical oncology
  • Prevention through screening and endoscopic procedures
  • Provision of surgical care close to home

Our Community Partners

  • Community Care Access Centre (CCAC)
  • Cancer Care Ontario (CCO)
  • Markham Stouffville Hospital-Uxbridge Site
  • North York General-Branson Site (cataract and glaucoma surgeries)
  • Southlake Regional Health Centre (thoracic, vascular, cataract and glaucoma surgeries)
  • Total Joint Assessment Centre (TJAC)
  • Wait Time Information System (WTIS)

Surgeries and surgical services performed at Markham Stouffville Hospital

Acute Pain Service

The Acute Pain Service (APS) is comprised of anesthesiologists and an advanced practice nurse working in collaboration with the interprofessional health-care team (for example: pharmacists, physicians, physiotherapists, nurses, etc.). We strive to provide the most current and effective methods of pain control. The APS is involved with patients’ care prior to surgery, during surgery and after surgery. The main focus of the APS is to provide pain and symptom management to patients after surgery. We will try to make sure you have as little pain as possible after surgery. It is important that you communicate your pain needs to your health care team.

FileClick here to learn more about pain and methods of pain control.

Click here to learn more about Patient Controlled Analgesia Pain Pump

Anaesthesiology Service

The mission of the Department of Anesthesiology is to provide the highest quality patient care.  Aspiring to this goal is a team of skilled anaesthesia professionals with different educational backgrounds and unique specialties that embraces collaborative and collegial relationships among all members of the health care team.  The department provides 24/7 in house coverage to Markham Stouffville Hospital.

Anaesthesiologists provide total care of patients undergoing surgery for all surgical specialties and focus on the management of pain.  Anaesthesiologists are responsible for providing consultative services for patients with specific health care needs pre and post operatively, including the diagnosis and treatment of both chronic and acute pain relief. As well, anaesthesiologists provide epidural analgesia in labour, assist with resuscitation in the Emergency Department and Diagnostic Imaging, treat critically ill patients in the Intensive Care Unit, and have a leadership role in the Acute Pain Service.

The practice pattern for the Department reflects the requirements set by the Royal College of Physicians and Surgeons, the Canadian Anesthesiologists Society and the College of Physicians and Surgeons of Ontario.

Physician members of the Department of Anaesthesiology:

  • Chief of Anaesthesia: Dr. Philip Perna
  • Dr. Shehbaz Butt
  • Dr. Elhadi Hussein
  • Dr. Paul Lokoff
  • Dr. Vijay Nandal
  • Dr. Menaka Rajasingham
  • Dr. Ken Tang

General Surgery

General Surgery includes surgery of the:


Abdominal surgery broadly covers procedures that involve opening of the abdomen.  Diseases affecting the abdominal cavity are dealt with generally under their own names, e.g., appendicitis.  The three most common abdominal surgeries are:

  • (i) Exploratory Laparotomy: This refers to the opening of the abdominal cavity for direct examination of its contents, for example, to locate a source of bleeding or trauma.
  • (ii) Laparoscopy: This refers to a minimally invasive approach to abdominal surgery where rigid tubes are inserted through small incisions into the abdominal cavity.  The tubes allow introduction of a camera, surgical instruments and gases into the cavity for direct or indirect visualization and treatment of the abdomen.  The abdomen is inflated with carbon dioxide gas to facilitate visualization and often a small video camera is used to show the procedure on a monitor in the operating room.  The surgeon manipulates instruments within the abdominal cavity to perform procedures such as cholecystectomy (gallbladder removal), the most common laparoscopic procedure. The laparoscopic procedure speeds recovery time and reduces blood loss and infection as compared to the traditional “open” cholecystectomy.
  • (iii) Bowel: Bowel Resection is surgery to remove a diseased or cancerous segment of the intestine.  The intestine is a 20-foot long tube coiled inside the abdomen running from the stomach to the rectum.  It’s the part of the digestive system in which nutrients are absorbed and waste material is formed into stool.  To accomplish the resection, the surgeon will make an incision in your abdomen over the part of the bowel to be removed.  After the removal, the surgeon may need to temporarily leave an opening to the intestine through the wall of the abdomen.  The opening is known as a “stoma,’ and the operation to create it called an ostomy.  There are two types of ostomy:
  •  (a) Ileostomy-This operation creates an opening to the small intestine (ileum) through the surface of the abdomen. Intestinal contents draining from this location are no thicker than toothpaste.
  • (b) Colostomy-This operation establishes an artificial outlet for the large intestine (colon). Waste draining from this opening will be soft or more formed depending on the part of the colon removed. The entire procedure usually takes 1-4 hours.

Surgery may be the first line of attack against breast cancer. Decisions about surgery depend on many factors. You and your doctor will determine of type of surgery that is most appropriate for you based on the stage of the cancer, the nature of the cancer and what is most acceptable to you in terms of your long-term peace of mind.


The gallbladder, an organ of the gastrointestinal system involved in the storage and concentration of bile, is shaped like a deflated balloon or pear, and lies on the surface of the right lobe of the liver. One of the most common disorders of the gallbladder occurs when cholesterol mixes with bile and calcium to form gallstones. Gallstones usually have to be surgically removed. In some cases, the entire gallbladder must be removed.


A hernia occurs when part of an organ (usually the intestine) sticks through a weak point or tear in the thin muscular wall that holds the abdominal organs in place.

Liver, Pancreas and Thoracic

Patients are referred to regional centers specializing in hepatic or thoracic surgery as necessary.

Physician members of the General Surgery team

  • Chief of Surgery: Dr. Patrick (Paddy) Whelan
  • Dr. Tim Cheang
  • Dr. Alan Ing
  • Dr. Crystal Pallister
  • Dr. Angelo Vivona
  • Dr. Simon Yang
Obstetrics and Gynaecology

Gynaecology is surgery of the female reproductive system. Numerous surgical procedures are performed at Markham Stouffville Hospital including:

Hysterectomy (vaginal, abdominal and laparoscopic), laparoscopy, hysteroscopy, female genital tract cancer surgeries, urinary incontinence surgeries as well as operations for pelvic and bladder prolapse.

Physician members of the Obstetrics and Gynaecology team:

  • Chief: Dr. George Arnold
  • Dr. Neil Chang
  • Dr. Renee Chouinard
  • Dr. Meivys Garcia-Erdeljan
  • Dr. Jeff Gilmour
  • Dr. Robert Hall
  • Dr. Felice Lackman
  • Dr. Edith Linkenheil
  • Dr. Christyne Peters
  • Dr. Colette Pyselman
  • Dr. Gita Singh
  • Dr. Michael Virro

Ophthalmology is surgery of the eyes.

Many patients with eye problems are treated as an outpatient through the Minor Surgical Clinic, including laser and surgical treatments for glaucoma and a variety of minor eye and eyelid procedures.

Physician members of the Ophthalmology team:
Ophthalmologists also provide cataract surgery at Southlake Regional Health Care Centre and at North York General Hospital, Branson Site as regional programs.

  • Dr. Naushad Hussein
  • Dr. Jeff Martow
  • Dr. Jason Noble
  • Dr. Moss Weinstock
Oral and Maxillofacial

Oral and maxillofacial surgery is surgery of the teeth, face, oral cavity and jaw. Many of these procedures are to correct a misalignment of the jaw and mandible.

Physician members of the Oral and Maxillofacial Surgery team:

  • Dr. Neil Applebaum
  • Dr. Sumeet Bhalla
  • Dr. Stephen Fitch
  • Dr. Robert Klein
  • Dr. Michael Lin
Otolaryngology (or ENT)

Otolaryngology (or ENT) is surgery of the ears, nose and throat. Our surgeons also provide care to the upper airway and ears, as well as glands and tumours of the head and neck.

Physician members of the Department of Otolaryngology

  • Dr. Jerry Halik
  • Dr. Bosco Lui
  • Dr. Jeff Werger

Orthopaedics is surgery of the spine and joints such as hips, knees, feet and shoulders. The orthopaedic services include a focus on sports injuries and the treatment of fractures referred from our Emergency Department.  In addition we perform corrective surgery for foot deformities.

What is TJAC?
The Total Joint Assessment Centre (TJAC) is an innovative tri-hospital partnership between orthopaedic surgeons at Markham Stouffville Hospital, York Central Hospital and North York General Hospital. TJAC was formed to shorten wait times for patients in our community who may require hip or knee replacement surgery by providing patients with an early consultation for assessment and diagnosis with an orthopaedic surgeon and a physiotherapist. A satellite site is available at Markham Stouffville Hospital, Markham Site, Rehabilitation Department. For further information visit nygh.on.ca/TJAC/

Physician members of the Orthopaedics team:

  • Dr. Syed Haider
  • Dr. J. Steve McMahon
  • Dr. Hemant Shirali
  • Dr. Crystal Smith
Plastic Surgery

We provide a full spectrum of Plastic surgery services including reconstructive surgery, hand surgery, cosmetic surgery and facial surgery.

Physician members of the Plastic Surgery team:

  • Dr. John Kao
  • Dr. Ron Wallman

Urology is surgery of the kidneys, bladder, urinary tract, and male reproductive system. We provide open, laparoscopic and cystoscopic services to aid in the diagnosis and treatment of urinary tract illness. Our physicians offer a complete continuum of cancer care to patients from screening and diagnosis to treatment and follow-up care.

Physician members of the Urology team:

  • Dr. Avidis Boudakian
  • Dr. John DiCostanzo
  • Dr. Adeel Sheikh