About
As a skilled Obstetrician and Gynecologist (OBGYN), Dr. Colette Rinske Pyselman offers a full spectrum of services from routine gynecological exams to managing complex obstetrical cases, prioritizing patient well-being and informed choice. Practicing at a clinic and/or hospital setting in Markham, ON, she provides accessible and high-quality care to the community. She adheres to the standards and guidelines set by the College of Physicians and Surgeons of Ontario (CPSO), holding license number 51723. Her focus is on providing comprehensive care across the full scope of Obstetrics and Gynecology, including routine and complex conditions, always aiming to support women through all stages of reproductive health, pregnancy, and childbirth.
Dr. Pyselman graduated with a Medical Degree from the University of Toronto in 1982 and has been practicing as a specialist in Obstetrics and Gynecology for over 37 years since 1987. She is certified as a Royal College of Physicians and Surgeons of Canada (RCPSC) Specialist in Obstetrics and Gynecology, ensuring her practice is grounded in rigorous training and ongoing professional development.
Her clinical philosophy centers on patient-centered care, shared decision-making, and evidence-based practice. Dr. Pyselman is dedicated to promoting women's health in Markham with a compassionate approach that respects each patient's individual needs and preferences. She speaks both Dutch and English, facilitating clear and comfortable communication with her diverse patient community.
Dr. Colette Pyselman provides care for a wide spectrum of women's health issues, including:
Menstrual and Hormonal Disorders
- Thyroid Disorders affecting Gynecologic Health: Conditions like hypothyroidism or hyperthyroidism that can impact menstrual cycles, fertility, and pregnancy outcomes.
- Dysmenorrhea (Painful Periods): Cramping and pelvic pain associated with menstruation, which can range from mild to severe and impact daily activities.
- Hyperprolactinemia: Elevated levels of prolactin in the blood, which can interfere with menstruation and fertility.
Pelvic Floor and Urinary Disorders
- Interstitial Cystitis / Painful Bladder Syndrome (IC/PBS): A chronic condition causing bladder pressure, bladder pain, and sometimes pelvic pain, ranging from mild discomfort to severe pain.
- Recurrent Urinary Tract Infections (UTIs): Frequent infections of the urinary system, requiring investigation for underlying causes and preventative strategies.
- Urinary Incontinence (Stress, Urge, Mixed, Overflow): The involuntary loss of urine, which can occur with physical exertion (stress), a sudden, strong urge (urge), a combination, or due to bladder overfilling.
Gynecologic Cancers and Precancerous Conditions
- Vulvar Intraepithelial Neoplasia (VIN) & Vulvar Cancer: Precancerous changes (VIN) or malignant tumors affecting the external female genitalia (vulva).
- Gestational Trophoblastic Disease (GTD) (e.g., Molar Pregnancy): A group of rare pregnancy-related tumors that develop in the uterus from cells that normally form the placenta, requiring careful monitoring and treatment.
- Vaginal Intraepithelial Neoplasia (VAIN) & Vaginal Cancer: Precancerous changes (VAIN) or rare cancers affecting the vagina.
This list highlights some common conditions managed within Obstetrics and Gynecology and is not exhaustive. For personalized advice regarding your specific health concerns, please schedule a consultation with Dr. Colette Pyselman or your primary care physician for a comprehensive evaluation and appropriate referral if needed.
- Basic Infertility Workup & Ovulation Tracking: Initial investigations into causes of infertility and guidance on tracking ovulation.
- Endometrial Ablation & Resection: Minimally invasive procedures to destroy or remove the lining of the uterus (endometrium) to treat heavy menstrual bleeding in appropriate candidates.
- Myomectomy (Fibroid Removal - Laparoscopic, Hysteroscopic, Abdominal): Surgical removal of uterine fibroids while preserving the uterus, utilizing the most appropriate surgical approach.
- Dilation and Curettage (D&C) / Dilation and Evacuation (D&E): Procedures to dilate the cervix and remove tissue from the inside of the uterus, for diagnosis or treatment of various uterine conditions or after miscarriage.
- Diagnostic & Operative Hysteroscopy: Procedure using a thin, lighted scope to examine the inside of the uterus and perform minor surgical treatments such as polyp removal, fibroid resection, or septum correction.
- Hysterectomy (Abdominal, Vaginal, Laparoscopic, Robotic-Assisted): Surgical removal of the uterus, performed through various approaches including minimally invasive techniques, depending on the medical indication and patient factors.
- Oophorectomy / Salpingo-oophorectomy (Laparoscopic or Open): Surgical removal of one or both ovaries, and potentially fallopian tubes, often for cysts, tumors, endometriosis, or cancer risk reduction.
Note: This list may provide an overview of common services in Obstetrics and Gynecology. Dr. Pyselman provides a wide array of diagnostic, therapeutic, and surgical options tailored to individual patient needs within women's health, pregnancy, and childbirth. Specific services offered can be confirmed by contacting the clinic.
All medical and surgical services are provided in accordance with the standards of practice set by the College of Physicians and Surgeons of Ontario (CPSO). A referral may be required for insured services.
Dr. Pyselman practices in a clinic located in the Greensborough neighborhood of Markham, ON. The facility is situated within a hospital or clinic setting that is easily accessible for patients. It is conveniently located near the Markham District Veterans Association and Wismer Community Centre, making it a central spot for women in the area. The practice is well-served by public transportation, including access via York Region Transit (YRT) / Viva. The facility is wheelchair accessible, ensuring ease of access for all patients. Parking is available at the facility for those arriving by car, providing added convenience for scheduled appointments and procedures.
- Are services from Dr. Pyselman, an Obstetrician and Gynecologist, covered by Ontario Health Insurance Plan (OHIP) in ON?
- Medically necessary consultations, prenatal care, delivery, gynecological surgeries, and diagnostic procedures performed by a licensed Obstetrician and Gynecologist like Dr. Pyselman are generally covered by Ontario Health Insurance Plan (OHIP) in ON when you have a valid referral from your family doctor or another referring physician. Some elective procedures, certain fertility treatments, or non-medically indicated services may not be covered. It's always recommended to confirm specific coverage details with Ontario Health Insurance Plan (OHIP) or the clinic.
- Do I need a referral from my family doctor to see Dr. Pyselman, an Obstetrician and Gynecologist?
- Yes, for services to be covered by your provincial health plan (Ontario Health Insurance Plan (OHIP)), a referral from your family physician or another specialist is typically required to see an Obstetrician and Gynecologist like Dr. Pyselman for most consultations and treatments. This ensures coordinated care. Some specific services or clinics (e.g., some sexual health or contraception clinics) might have different access pathways, but for ongoing obstetrical or gynecological care, a referral is standard. Please check with Dr. Pyselman's office or your referring doctor.
- How often do I need a Pap test, and what is it for?
- A Pap test (or Pap smear) is a screening procedure for cervical cancer. It checks for precancerous or cancerous cells on the cervix. Guidelines vary slightly by province but are generally recommended for women starting around age 21-25 (or once sexually active) and continuing every 2-3 years if results are normal. The frequency may change based on your age, medical history (including HPV status), and previous Pap test results. Dr. Pyselman will advise you on the appropriate screening schedule for your individual circumstances based on current provincial guidelines.
- At which hospital(s) does Dr. Pyselman deliver babies or perform surgeries?
- Dr. Pyselman is affiliated with hospitals in Markham. You can confirm the specific hospital(s) where she performs deliveries and gynecological surgeries by contacting Dr. Pyselman's office directly. This information is important for planning your care and delivery.
- Does Dr. Pyselman discuss or offer the HPV vaccine?
- The Human Papillomavirus (HPV) vaccine is highly effective in preventing infections with HPV types that cause most cervical cancers, as well as other anogenital and oropharyngeal cancers. Dr. Pyselman can discuss the benefits of the HPV vaccine, current recommendations for different age groups (including catch-up vaccination for adults), and can either provide the vaccine or refer you to where it can be obtained, depending on clinic services and provincial programs.
305-377 Church St
Markham, ON L6B 1A1
Phone: (905) 472-7130
The facility is wheelchair accessible.
Dr. Pyselman is a licensed Obstetrician and Gynecologist 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 your family physician or another qualified healthcare provider is typically required for provincially insured consultations and treatments.
Verify registration with the College of Physicians and Surgeons of Ontario (CPSO): https://doctors.cpso.on.ca/DoctorDetails/Pyselman-Colette-Rinske/0037747-51723