Ontario Genetics Clinic Directory

Clinical genetics services are available at hospital sites across Ontario. This directory lists genetics clinic locations, services, and the population served.

This directory lists genetics clinics that provide any of the following services:

  • Ontario Health funded genetic testing and counselling
  • Specialized follow-up care for individuals with confirmed genetic conditions

Clinics may be excluded from the directory if they do not accept new referrals.

How to Use the Directory

To refine the list of clinics, first filter by Services Provided:

  • For people who might have a genetic condition and need testing or diagnostic services, choose Genetic Testing & Counselling.
  • For people who have a confirmed genetic condition and need specialized follow-up care, choose Ongoing Care.

You may also filter the results by location, self-referral, population served and diagnostic/testing areas of care.

For More Information

Contact clinics directly for clinic-specific information such as:

  • referral forms
  • specific conditions seen
  • language services provided

If you are a patient and you have questions about a specific condition, please discuss with your health care provider.

If you have questions or comments about using this directory, please contact us by using the form on the Provincial Genetics Program page.

Displaying Results

Filters

Filters

Services Provided

Ongoing Care
Genetic Testing & Counselling

Genetics Population

Adults
Children

Accepts self referral

No
Yes

Location

North York
Kitchener
Scarborough
Windsor
Mississauga
Kingston
North Bay Sault Ste. Marie Sudbury Timmins
Orillia
Peterborough
Oshawa
Richmond Hill
Hamilton
London
Thunder Bay
Ottawa
Toronto

Areas of care

Prenatal Genetics
Neurogenetics
Ocular Genetics
Pediatric Genetics
General Genetics
Cardiogenetics
Reproductive Genetics
Metabolic Genetics
Cancer Genetics
Showing 10 of 84 results

Aorta Clinic, St Michael’s Hospital

Services Provided:
Ongoing Care
Genetics Population:
Adults
Accepts self referral:
No
Location:
Toronto
Areas of care:
Cardiogenetics
Keywords:

actin alpha 2 (ACTA2) aortic disease aortopathy bicuspid aortic valve (BAV) familial thoracic aortic aneurysms dissections (FTAAD) Loeys-Dietz syndrome (LDS) Marfan syndrome mitral valve prolapse (MVP) vascular dissection vascular Ehlers-Danlos syndrome (vEDS)

Aortopathy Clinic, Toronto General Hospital

Services Provided:
Genetic Testing & Counselling
Genetics Population:
Adults
Accepts self referral:
No
Location:
Toronto
Areas of care:
Cardiogenetics
Keywords:

aortic aneurysm aortic disease aortic dissection aortopathy bicuspid aortopathy bicuspid valve-associated aortopathy cardiogenetics thoracic aortic aneurysm (TAA)

Bhalwani Familial Cancer Clinic, Princess Margaret Cancer Centre

Services Provided:
Genetic Testing & Counselling
Genetics Population:
Adults
Accepts self referral:
No
Location:
Toronto
Areas of care:
Cancer Genetics
Web Site URL:
Keywords:

breast cancer cancer endocrine cancer kidney cancer lung cancer lymphoma melanoma ovarian cancer prostate cancer renal cell carcinoma leukemia bone marrow failure myelodysplastic syndrome adrenocortical carcinoma hematologic malignancy brain cancer bone cancer fallopian tube cancer mesothelioma sarcoma thyroid cancer hemangioblastoma pheochromocytoma paraganglioma retinoblastoma gastrointestinal stromal tumour neuroendocrine tumour pituitary tumour wilms tumour endometrial cancer parathyroid tumour

Bone Health-Osteology Clinic, CHEO

Services Provided:
Ongoing Care
Genetics Population:
Children
Accepts self referral:
No
Location:
Ottawa
Areas of care:
Web Site URL:
Keywords:

unexplained bone fragility primary bone fragility osteogenesis imperfecta (OI) syndromic bone fragility connective tissue disorders Ehlers-Danlos syndrome (EDS) Marfan syndrome Loeys-Dietz syndrome (LDS) skeletal dysplasias fibrous dysplasia hypophosphatasia achondroplasia Calcium and phosphate metabolism disorders rickets ectopic mineralization disorders tumoral calcinosis Ollier’s disease fibrodysplasia ossificans progressive (FOP) high bone mass conditions sclerosing bone disorders osteopetrosis

CHEO Genetics Clinic (Regional Genetics Program)

Services Provided:
Genetic Testing & Counselling
Genetics Population:
Adults, Children
Accepts self referral:
No
Location:
Ottawa
Areas of care:
Cancer Genetics, Cardiogenetics, General Genetics, Neurogenetics, Ocular Genetics, Prenatal Genetics
Web Site URL:
Keywords:

adult genetics cancer cardiogenetics general genetics maternal health neurogenetics ocular genetics pediatric genetics preconception prenatal genetics

CHEO Tuberous Sclerosis Clinic

Services Provided:
Ongoing Care
Genetics Population:
Children
Accepts self referral:
No
Location:
Ottawa
Areas of care:
Cancer Genetics, Neurogenetics
Keywords:

tuberous sclerosis complex (TSC)

Cancer Centre of Southeastern Ontario, Kingston Health Sciences Centre

Services Provided:
Genetic Testing & Counselling, Ongoing Care
Genetics Population:
Adults, Children
Accepts self referral:
No
Location:
Kingston
Areas of care:
Cancer Genetics
Web Site URL:
Keywords:

breast cancer cancer colon cancer colorectal cancer endocrine cancer kidney cancer lung cancer lymphoma melanoma ovarian cancer prostate cancer renal cell cancer skin cancer

Cancer Genetics Clinic Juravinski Hospital and Cancer Centre, Hamilton Health Sciences

Services Provided:
Genetic Testing & Counselling, Ongoing Care
Genetics Population:
Adults, Children
Accepts self referral:
No
Location:
Hamilton
Areas of care:
Cancer Genetics
Web Site URL:
Keywords:

breast cancer cancer colon cancer colorectal cancer endocrine cancer kidney cancer lung cancer lymphoma melanoma ovarian cancer prostate cancer renal cell cancer skin cancer

Cancer Genetics Clinic Victoria Hospital, London Health Sciences Centre

Services Provided:
Genetic Testing & Counselling, Ongoing Care
Genetics Population:
Adults, Children
Accepts self referral:
No
Location:
London
Areas of care:
Cancer Genetics
Web Site URL:
Keywords:

breast cancer cancer colon cancer colorectal cancer endocrine cancer kidney cancer lung cancer lymphoma melanoma ovarian cancer prostate cancer renal cell cancer skin cancer pancreatic sarcoma brain endometrial paraganglioma/pheochromocytoma gastric leukemia

Cancer Genetics Clinic, Waterloo Regional Health Network Cancer Centre

Services Provided:
Genetic Testing & Counselling
Genetics Population:
Adults
Accepts self referral:
No
Location:
Kitchener
Areas of care:
Cancer Genetics
Web Site URL:
Keywords:

brain cancer, BRCA1, BRCA2, breast cancer, cancer, colon cancer, colorectal cancer, endocrine cancer, endometrial cancer, gastric cancer, hereditary cancer, kidney cancer, lung cancer, lynch syndrome, melanoma, ovarian cancer, pancreatic cancer, pheochromocytoma/paraganglioma, polyposis, prostate cancer, renal cell cancer, skin cancer, stomach cancer, thyroid cancer

Cardiac Arrhythmia Clinic, Hamilton Health Sciences

Services Provided:
Ongoing Care
Genetics Population:
Adults
Accepts self referral:
No
Location:
Hamilton
Areas of care:
Cardiogenetics
Web Site URL:
Keywords:

arrhythmia arrhythmogenic right ventricular cardiomyopathy (ARVC) atrial fibrillation Brugada syndrome cardiac disorders cardiogenetics cardiomyopathy catecholaminergic polymorphic ventricular tachycardia (CPVT) dilated cardiomyopathy (DCM) familial hypercholesterolemia (FH) hypertrophic cardiomyopathy (HCM) long QT syndrome (LQTS) short QT syndrome (SQTS) sudden cardiac arrest sudden cardiac death

Cardiology Clinic Children’s Hospital of Western Ontario, London Health Sciences Centre

Services Provided:
Ongoing Care
Genetics Population:
Children
Accepts self referral:
No
Location:
London
Areas of care:
Cardiogenetics
Web Site URL:
Keywords:

arrhythmia atrial fibrillation Brugada syndrome cardiac disorders cardiogenetics cardiomyopathy catecholaminergic polymorphic ventricular tachycardia (CPVT) congenital heart disease coronary artery disease hypertrophic cardiomyopathy (HCM) long QT syndrome (LQTS) short QT syndrome (SQTS)

Cardiology Clinic The Hospital for Sick Children

Services Provided:
Ongoing Care
Genetics Population:
Children
Accepts self referral:
No
Location:
Toronto
Areas of care:
Cardiogenetics
Web Site URL:
Keywords:

arrhythmia atrial fibrillation Brugada syndrome cardiac disorders cardiogenetics cardiomyopathy catecholaminergic polymorphic ventricular tachycardia (CPVT) congenital heart disease coronary artery disease familial hypercholesterolemia (FH) hypertrophic cardiomyopathy (HCM) long QT syndrome (LQTS) short QT syndrome (SQTS)

Cardiology Clinic, CHEO

Services Provided:
Ongoing Care
Genetics Population:
Children
Accepts self referral:
No
Location:
Ottawa
Areas of care:
Cardiogenetics
Web Site URL:
Keywords:

arrhythmia atrial fibrillation Brugada syndrome cardiac disorders cardiogenetics cardiomyopathy catecholaminergic polymorphic ventricular tachycardia (CPVT) congenital heart disease coronary artery disease hypertrophic cardiomyopathy (HCM) inherited cardiac conditions long QT syndrome (LQTS) short QT syndrome (SQTS)

Centenary Genetics Clinic, Scarborough Health Network

Services Provided:
Genetic Testing & Counselling
Genetics Population:
Adults, Children
Accepts self referral:
No
Location:
Scarborough
Areas of care:
Cancer Genetics, Cardiogenetics, General Genetics, Pediatric Genetics, Prenatal Genetics
Web Site URL:
Keywords:

adult genetics cancer cardiogenetics general genetics maternal health pediatric genetics preconception prenatal genetics

Clinical Genetics, Lakeridge Health Oshawa

Services Provided:
Genetic Testing & Counselling
Genetics Population:
Adults, Children
Accepts self referral:
No
Location:
Oshawa
Areas of care:
Cancer Genetics, General Genetics, Pediatric Genetics, Prenatal Genetics, Reproductive Genetics
Web Site URL:
Keywords:

adult genetics cancer cardiogenetics general genetics maternal health neurogenetics pediatric genetics preconception pregnancy prenatal genetics

Clinical Genetics, North York General Hospital

Services Provided:
Genetic Testing & Counselling
Genetics Population:
Adults, Children
Accepts self referral:
No
Location:
North York
Areas of care:
Cancer Genetics, Cardiogenetics, General Genetics, Neurogenetics, Pediatric Genetics, Prenatal Genetics
Web Site URL:
Keywords:

adult genetics cancer cardiogenetics general genetics maternal health neurogenetics pediatric genetics preconception pregnancy prenatal genetics

Clinical Genetics, Trillium Health Partners

Services Provided:
Genetic Testing & Counselling
Genetics Population:
Adults, Children
Accepts self referral:
No
Location:
Mississauga
Areas of care:
Cancer Genetics, Cardiogenetics, General Genetics, Neurogenetics, Pediatric Genetics, Prenatal Genetics
Web Site URL:
Keywords:

adult genetics cancer cardiogenetics general genetics maternal health neurogenetics pediatric genetics preconception pregnancy prenatal genetics

Dalglish Family 22q Clinic, Toronto General Hospital

Services Provided:
Ongoing Care
Genetics Population:
Adults
Accepts self referral:
No
Location:
Toronto
Areas of care:
Web Site URL:
Keywords:

22q 22q11 deletion syndrome 22q11.2 deletion syndrome DiGeorge syndrome 22q11.2DS Velocardiofacial syndrome VCFS 22q11.2DupS 22q11.2 duplication syndrome 22q11 duplication syndrome

Dr. Lysa Boissé Lomax, Hôtel Dieu Hospital

Services Provided:
Ongoing Care
Genetics Population:
Adults
Accepts self referral:
No
Location:
Kingston
Areas of care:
Cancer Genetics, Neurogenetics
Keywords:

tuberous sclerosis complex (TSC)

Dr. Nadine Morrison Levy, Hôtel Dieu Hospital

Services Provided:
Ongoing Care
Genetics Population:
Children
Accepts self referral:
No
Location:
Kingston
Areas of care:
Cancer Genetics, Neurogenetics
Keywords:

tuberous sclerosis complex TSC

Erie St. Clair Regional Cancer Genetics Program, Windsor Regional Hospital Cancer Centre

Services Provided:
Genetic Testing & Counselling
Genetics Population:
Adults
Accepts self referral:
No
Location:
Windsor
Areas of care:
Cancer Genetics
Web Site URL:
Keywords:

breast cancer cancer colon cancer colorectal cancer endocrine cancer kidney cancer lung cancer lymphoma melanoma ovarian cancer prostate cancer renal cell cancer skin cancer

Fred A. Litwin Family Centre, University Health Network

Services Provided:
Genetic Testing & Counselling, Ongoing Care
Genetics Population:
Adults
Accepts self referral:
No
Location:
Toronto
Areas of care:
Cardiogenetics, General Genetics, Metabolic Genetics, Neurogenetics, Ocular Genetics
Web Site URL:
Keywords:

adult genetics aortopathy arrhythmia biochemical genetics cardiogenetics cardiomyopathy channelopathy connective tissue disorders endocrine disorders Fabry disease familial hypercholesterolemia (FH) Gaucher disease general genetics hypertrophic cardiomyopathy (HCM) kidney disorders metabolic genetics neurogenetics ocular genetics phenylketonuria (PKU) retinal disorders genetic syndromes genetic causes of hearing loss skeletal system syndromes urogenital syndromes mitochondrial disorders psychiatric genetics multiple congenital anomalies

Heart Lung and Vascular Program, St. Michael's Hospital

Services Provided:
Ongoing Care
Genetics Population:
Adults
Accepts self referral:
No
Location:
Toronto
Areas of care:
Cardiogenetics
Web Site URL:
Keywords:

aortic aneurysm aortic conditions aortopathy arrhythmia Arrhythmogenic cardiomyopathy ACM ARVC ARVD Brugada syndrome cardiogenetics cardiomyopathy cystic fibrosis catecholaminergic polymorphic ventricular tachycardia (CPVT) dilated cardiomyopathy (DCM) hypertrophic cardiomyopathy (HCM) hereditary hemorrhagic telangiectasia (HHT) Loeys-Dietz syndrome (LDS) long QT syndrome (LQTS) Marfan syndrome primary ciliary dyskinesia (PCD) sudden cardiac arrest sudden cardiac death aortic dissection

Inherited Arrhythmia Clinic Peter Munk Cardiac Centre, Toronto General Hospital

Services Provided:
Genetic Testing & Counselling, Ongoing Care
Genetics Population:
Adults
Accepts self referral:
No
Location:
Toronto
Areas of care:
Cardiogenetics
Web Site URL:
Keywords:

arrhythmia arrhythmogenic right ventricular cardiomyopathy (ARVC) Brugada syndrome cardiac arrest cardiogenetics cardiomyopathy heart disease heart rhythm disorder long QT syndrome (LQTS) sudden death unexplained syncope

Inherited Arrhythmia Clinic, St Michael’s Hospital

Services Provided:
Ongoing Care
Genetics Population:
Adults
Accepts self referral:
No
Location:
Toronto
Areas of care:
Cardiogenetics
Web Site URL:
Keywords:

arrhythmia atrial fibrillation Brugada syndrome cardiac disorders cardiogenetics cardiomyopathy catecholaminergic polymorphic ventricular tachycardia (CPVT) coronary artery disease hypertrophic cardiomyopathy (HCM) long QT syndrome (LQTS) short QT Syndrome (SQTS) arrhythmogenic cardiomyopathy (ACM) arrhythmogenic right ventricular cardiomyopathy (ARVC) arrhythmogenic right ventricular dysplasia (ARVD) sudden cardiac arrest sudden cardiac death

Inherited Heart Rhythm Clinic, London Health Sciences Centre

Services Provided:
Ongoing Care
Genetics Population:
Adults
Accepts self referral:
No
Location:
London
Areas of care:
Cardiogenetics
Web Site URL:
Keywords:

arrhythmia atrial fibrillation Brugada syndrome cardiac disorders cardiogenetics cardiomyopathy catecholaminergic polymorphic ventricular tachycardia (CPVT) congenital heart disease coronary artery disease hypertrophic cardiomyopathy (HCM) long QT syndrome (LQTS) short QT syndrome (SQTS)

McMaster TSC Clinic

Services Provided:
Ongoing Care
Genetics Population:
Children
Accepts self referral:
No
Location:
Hamilton
Areas of care:
Cancer Genetics, Neurogenetics
Keywords:

tuberous sclerosis complex (TSC)

Medical Genetics Program of Southwestern Ontario, Victoria Hospital, London Health Sciences Centre

Services Provided:
Genetic Testing & Counselling, Ongoing Care
Genetics Population:
Adults, Children
Accepts self referral:
No
Location:
London
Areas of care:
General Genetics, Metabolic Genetics, Neurogenetics, Pediatric Genetics, Prenatal Genetics
Web Site URL:
Keywords:

cancer cardiogenetics general genetics metabolic genetics Newborn Screen Ontario (NSO) prenatal genetics

Metabolics Clinic, CHEO

Services Provided:
Genetic Testing & Counselling, Ongoing Care
Genetics Population:
Adults, Children
Accepts self referral:
No
Location:
Ottawa
Areas of care:
Metabolic Genetics
Web Site URL:
Keywords:

amino acid disorder (ASD) autism spectrum disorder carbohydrate metabolism disorders cardiogenetics connective tissue disorders fatty acid oxidation disorders (FAODs) global developmental delay (GDD) intellectual disability lysosomal storage disorders metabolic genetics mitochondrial disorders neurodevelopmental disorders neurological disorders organic acid disorder peroxisomal disorder seizures

Neuromuscular & Neurometabolic Clinic, Hamilton Health Sciences

Services Provided:
Genetic Testing & Counselling
Genetics Population:
Adults, Children
Accepts self referral:
No
Location:
Hamilton
Areas of care:
Metabolic Genetics, Neurogenetics
Web Site URL:
Keywords:

ataxia fatty acid oxidation disorders (FAODs) hereditary spastic paraplegia (HSP) mitochondrial disease muscular dystrophy neurogenetic disorders neurometabolic disorders neuromuscular disorders rhabdomyolysis spinal muscular atrophy (pediatric)

Neuromuscular Clinic, CHEO

Services Provided:
Ongoing Care
Genetics Population:
Children
Accepts self referral:
No
Location:
Ottawa
Areas of care:
Neurogenetics
Web Site URL:
Keywords:

Becker muscular dystrophy Bethlem myopathy Charcot-Marie-Tooth disease congenital myopathy Duchenne muscular dystrophy Emery-Dreifuss muscular dystrophy facioscapulohumeral muscular dystrophy muscular dystrophy myotonic dystrophy (DM1 and DM2) myotubular myopathy nemaline myopathy neuromuscular disorders neuropathy spinal muscular atrophy

Northeastern Ontario Medical Genetics Program, Health Sciences North

Services Provided:
Genetic Testing & Counselling
Genetics Population:
Adults, Children
Accepts self referral:
No
Location:
North Bay Sault Ste. Marie Sudbury Timmins
Areas of care:
Cancer Genetics, Cardiogenetics, General Genetics, Neurogenetics, Ocular Genetics, Pediatric Genetics, Prenatal Genetics
Web Site URL:
Keywords:

adult genetics cancer cardiogenetics general genetics neurogenetics ocular genetics pediatric genetics prenatal genetics adult genetics cancer cardiogenetics general genetics neurogenetics ocular genetics pediatric genetics prenatal genetics Sault Ste. Marie North Bay Timmins Northern Ontario Genetics Northeastern Ontario genetics

SickKids Clinical and Metabolic Genetics Clinic, Hospital for Sick Children

Services Provided:
Genetic Testing & Counselling
Genetics Population:
Children
Accepts self referral:
No
Location:
Toronto
Areas of care:
Cancer Genetics, Cardiogenetics, General Genetics, Metabolic Genetics, Neurogenetics, Pediatric Genetics
Web Site URL:
Keywords:

amino acid disorder autism spectrum disorder connective tissue disorders fatty acid disorder global developmental delay hereditary heart diseases hereditary kidney diseases hereditary metabolic disorders inborn errors of metabolism inherited metabolic diseases inherited metabolic disorders inherited neurological disorders intellectual disability lysosomal storage metabolic disease mitochondria disorders neurodevelopmental disorders neurological dysfunction peroxisomal disorder organic acid disorder seizures sugar disorders

The Charlotte and Lewis Steinberg Familial Cancer Clinic, North York General Hospital

Services Provided:
Genetic Testing & Counselling
Genetics Population:
Adults, Children
Accepts self referral:
No
Location:
North York
Areas of care:
Cancer Genetics
Web Site URL:
Keywords:

breast cancer cancer colon cancer colorectal cancer endocrine cancer kidney cancer melanoma ovarian cancer pancreas cancer prostate cancer renal cell cancer skin cancer stomach cancer

Zane Cohen Centre for Digestive Diseases, Mount Sinai Hospital

Services Provided:
Genetic Testing & Counselling
Genetics Population:
Adults, Children
Accepts self referral:
Yes
Location:
Toronto
Areas of care:
Cancer Genetics
Web Site URL:
Keywords:

constitutional mismatch repair deficiency (CMMRD) colorectal cancer endometrial cancer familial adenomatous polyposis (FAP) gastric cancer gastrointestinal cancer hereditary diffuse gastric cancer syndrome (HDGC) hereditary hemorrhagic telangiectasia (HHT) hereditary nonpolyposis colorectal cancer (HNPCC) juvenile polyposis (JP) Lynch syndrome (LS) MUTYH (or MYH)-associated polyposis (MAP) pancreatic cancer Peutz-Jeghers syndrome (PJS) serrated polyposis syndrome (SPS)

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Last Updated: March 09, 2026

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