Dr. Andreas Tassis – General Surgeon | Richmond Hill, ON

Dr. Andreas Tassis is a skilled General Surgeon, specializing in a comprehensive range of surgical treatments. Practicing at c/o KR Potvin Medicine Professional and performing surgeries at St Joseph's Health Centre in Richmond Hill, ON, he is a respected member of the surgical community. His practice adheres to the high standards set by the College of Physicians and Surgeons of Ontario (CPSO). He has expertise in diagnosing and managing conditions affecting the abdomen, digestive system, breast, skin, and endocrine system, among others. He performs both elective and emergency surgeries, often utilizing minimally invasive techniques to enhance patient recovery. Dr. Tassis's approach is rooted in providing high-quality, patient-focused care, ensuring a compassionate and collaborative environment from initial consultation through to post-operative recovery, utilizing modern surgical techniques and a multidisciplinary approach.

He is recognized as a RCPSC Specialist by the College of Physicians and Surgeons of Ontario (CPSO). Dr. Tassis graduated with a Medical Degree from the Institute of Medicine, Pharmacy, Timisoara (Romania). With over 14 years of experience as a General Surgeon since 2010, he has developed a broad expertise in various surgical disciplines, continually advancing his skills through ongoing professional development and training.

Dr. Tassis is committed to providing safe, effective, and evidence-based surgical care. He adopts a patient-centered philosophy, ensuring clear communication and shared decision-making with his patients. Whenever appropriate, he utilizes minimally invasive techniques to promote quicker recovery and minimal scarring. He collaborates closely with multidisciplinary teams to offer comprehensive management tailored to each patient's unique needs. Dedicated to surgical excellence for patients in Richmond Hill, he also communicates fluently in Greek and English, allowing him to serve a diverse patient population with empathy and professionalism.

Dr. Andreas Tassis provides surgical treatment for a diverse range of conditions, including:

Abdominal and Digestive System Conditions

Dr. Tassis addresses conditions requiring surgical intervention for diagnosis or treatment of the gastrointestinal tract and related abdominal organs.

• Gastrointestinal Bleeding (requiring surgical intervention): An emergency situation requiring rapid diagnosis and treatment.
• Inflammatory Bowel Disease (IBD) - Surgical Aspects (Crohn's, Ulcerative Colitis): Procedures may include bowel resection, strictureplasty, or colectomy with ostomy or pouch creation.

Cancers and Tumors (Surgical Oncology)

Dr. Tassis addresses involving the surgical diagnosis, staging, and treatment of various types of cancer.

• Soft Tissue Sarcomas: Surgical excision of malignant tumors arising from soft tissues (muscle, fat, connective tissue).
• Skin Cancers (e.g., Melanoma, Squamous Cell Carcinoma, Basal Cell Carcinoma): Surgical excision of malignant skin lesions with appropriate margins.
• Thyroid Cancer and other Endocrine Tumors: Requires expertise in endocrine surgery to preserve vital structures.

This list is not exhaustive. For a comprehensive evaluation and to discuss whether surgery is appropriate for your specific condition, a consultation with Dr. Andreas Tassis is necessary.

• Skin Lesion Excision and Soft Tissue Mass Removal: Procedures often performed under local anesthesia with attention to cosmetic closure.
• Bowel Resection / Colectomy (for benign or malignant conditions): May involve open or laparoscopic approaches, with potential for anastomosis (reconnection) or ostomy creation.
• General Surgical Consultation: Comprehensive assessment and consultation for a wide range of surgical conditions.
• Pre-operative Assessment and Planning: Optimizing patient health before elective surgical procedures.
• Upper GI Endoscopy (Gastroscopy / EGD): Procedure to visualize the upper digestive tract directly.
• Hernia Repair (e.g., Inguinal, Umbilical, Ventral, Incisional - Open or Laparoscopic): Repair techniques include open surgery with or without mesh, and laparoscopic mesh repair.

Note: This list provides an overview of common surgical areas. Specific procedures and treatment plans are determined on an individual basis after consultation with Dr. Tassis.

All surgical services are provided in accordance with the standards of practice set by the College of Physicians and Surgeons of Ontario (CPSO) and relevant Canadian Association of General Surgeons (CAGS) and relevant surgical best practices. A referral from a physician is typically required for consultation.

Dr. Tassis performs his practice primarily at the c/o KR Potvin Medicine Professional clinic located in Richmond Hill's Langstaff and South Richvale neighborhoods. Surgical procedures are typically carried out at St. Joseph's Health Centre, which is conveniently accessible to patients in the region. The clinic is situated near Phyllis Rawlinson Park and is easily accessible via York Region Transit (YRT) / Viva services. Both the clinic and hospital facilities are wheelchair accessible and designed to prioritize patient comfort and privacy. Patients and visitors can generally find parking in hospital-affiliated lots or nearby public parking facilities. The environment is professional, welcoming, and dedicated to providing comprehensive care, from initial consultation to follow-up surgical management.

What types of surgical procedures does Dr. Tassis perform?

Dr. Tassis, a General Surgeon, performs a wide range of surgeries. These frequently involve organs in the abdomen, such as the gallbladder, appendix, stomach, and intestines. They also address hernias, conditions of the breast, thyroid gland, and skin/soft tissue masses. Depending on the condition and patient, Dr. Tassis may use traditional open surgery or advanced minimally invasive (laparoscopic) methods.

Does Dr. Tassis perform laparoscopic (minimally invasive) surgery?

Many General Surgeons like Dr. Tassis are trained in and regularly perform laparoscopic surgery, also known as minimally invasive surgery. This technique involves making several small incisions instead of one large one, using a camera and specialized instruments to perform the operation. Laparoscopic approaches are common for procedures like gallbladder removal, appendectomy, and hernia repair, often resulting in less post-operative pain, smaller scars, and a faster return to normal activities. You should discuss with Dr. Tassis whether this approach is suitable for your specific condition.

What is the typical recovery time after a general surgical procedure performed by Dr. Tassis?

The duration of recovery following surgery with Dr. Tassis is specific to the operation performed and your personal health. Minimally invasive surgeries often have shorter recovery periods than traditional open surgeries. Dr. Tassis will discuss the expected recovery process, including hospital stay (if any), return to work, and activity restrictions, as part of your pre-operative consultation and post-operative care plan.

When would I typically need a referral to see a General Surgeon like Dr. Tassis?

A referral to a General Surgeon like Dr. Tassis is usually made by your family doctor or another specialist when a condition is suspected or diagnosed that may require surgical evaluation or treatment. This could include persistent abdominal pain, a new lump or mass (e.g., in the breast or skin), symptoms of gallbladder disease, a hernia, signs of appendicitis, or concerns about colorectal conditions. They also manage conditions initially identified through screening, like colon polyps or early-stage breast cancer.

Do General Surgeons like Dr. Tassis ever specialize further?

Yes, while General Surgery provides a broad foundation, many General Surgeons like Dr. Tassis may develop particular areas of interest or pursue additional fellowship training in subspecialties. These can include areas like colorectal surgery, breast surgery, endocrine surgery, surgical oncology (cancer surgery), trauma/critical care surgery, vascular surgery, or pediatric surgery. If Dr. Tassis has such a focus, it will be part of the expertise him brings to patient care. General surgeons perform a wide variety of common surgical procedures and can manage many different types of conditions.

Do I always need surgery if I have a consultation with Dr. Tassis?

A surgical consultation with Dr. Tassis doesn't automatically mean you will have surgery. The purpose of the visit is for Dr. Tassis to assess your condition thoroughly, review any tests, and discuss whether surgery is the most suitable treatment, or if alternative non-operative options should be considered. The final decision is typically made collaboratively between you and Dr. Tassis after weighing the potential risks and benefits.

c/o KR Potvin Medicine Professional
330 Highway 7 East
Richmond Hill, ON L4B 3P8

Clinic Phone: (905) 707-5007

The clinic and affiliated hospital facilities are wheelchair accessible and designed for patient comfort and privacy.

Dr. Tassis is a licensed General Surgeon regulated by the College of Physicians and Surgeons of Ontario (CPSO) under the Regulated Health Professions Act, 1991 and Medicine Act, 1991 in ON. A referral from a family physician or another specialist is generally required for a consultation with Dr. Tassis for services covered by the provincial health plan (Ontario Health Insurance Plan (OHIP)).

Verify Dr. Tassis's registration with the College of Physicians and Surgeons of Ontario (CPSO): https://doctors.cpso.on.ca/DoctorDetails/Tassis-Andreas/0226391-83635