Filters

Specialty
Additional Specialty
Distance
    Gender
    Insurance
    Availability
    Language
    Years of Experience
    Level of Expertise

    Last Updated: 10/30/2025

    Save doctors for later
    Sign Up
    Not sure about your diagnosis?
    Check Your Symptoms
    Already have a doctor?
    Find A Second Opinion

    MediFind found 37 doctor with experience in Granulomatosis with Polyangiitis near Ontario, CA. Of these, 31 are Experienced, 4 are Advanced, 1 are Distinguished and 1 are Elite.

    Location
    LocationClose
    37 providers found
      Elite in Granulomatosis with Polyangiitis

      Nader A. Khalidi
      Elite in Granulomatosis with Polyangiitis

      Nader A. Khalidi
      St Joseph's Hospital, 
      Hamilton, ON, CA 

      Nader Khalidi practices in Hamilton, Canada. Mr. Khalidi is rated as an Elite expert by MediFind in the treatment of Granulomatosis with Polyangiitis. His top areas of expertise are Vasculitis, Granulomatosis with Polyangiitis, Giant Cell Arteritis (GCA), and Temporal Arteritis.

      Distinguished in Granulomatosis with Polyangiitis

      Jeremiah Hwee
      Distinguished in Granulomatosis with Polyangiitis

      Jeremiah Hwee
      155 College Street, 
      Toronto, ON, CA 

      Jeremiah Hwee practices in Toronto, Canada. Mr. Hwee is rated as a Distinguished expert by MediFind in the treatment of Granulomatosis with Polyangiitis. His top areas of expertise are Hypereosinophilic Syndrome, Granulomatosis with Polyangiitis, Vasculitis, and Acute Interstitial Pneumonia.

      What does Elite, Distinguished, Advanced, Experienced mean?
      Advanced in Granulomatosis with Polyangiitis

      Andrea S. Doria
      Advanced in Granulomatosis with Polyangiitis

      Andrea S. Doria
      555 University Avenue, 
      Toronto, ON, CA 

      Andrea Doria practices in Toronto, Canada. Ms. Doria is rated as an Advanced expert by MediFind in the treatment of Granulomatosis with Polyangiitis. Her top areas of expertise are Systemic Lupus Erythematosus (SLE), Lupus Nephritis, Glomerulonephritis, Appendectomy, and Kidney Transplant.

      Learn about our expert tiers
      Advanced in Granulomatosis with Polyangiitis

      Pooneh Pordeli
      Advanced in Granulomatosis with Polyangiitis

      Pooneh Pordeli
      Mississauga, ON, CA 

      Pooneh Pordeli practices in Mississauga, Canada. Pordeli is rated as an Advanced expert by MediFind in the treatment of Granulomatosis with Polyangiitis. Their top areas of expertise are Microscopic Polyangiitis, Granulomatosis with Polyangiitis, Vasculitis, and Acute Interstitial Pneumonia.

      Advanced in Granulomatosis with Polyangiitis

      Rae S. Yeung
      Advanced in Granulomatosis with Polyangiitis

      Rae S. Yeung
      Toronto, ON, CA 

      Rae Yeung practices in Toronto, Canada. Ms. Yeung is rated as an Advanced expert by MediFind in the treatment of Granulomatosis with Polyangiitis. Her top areas of expertise are Kawasaki Disease, Juvenile Idiopathic Arthritis (JIA), Multisystem Inflammatory Syndrome in Children (MIS-C), and Vasculitis.

      Advanced in Granulomatosis with Polyangiitis

      Krishnan K. Nair-Parameswaran
      Advanced in Granulomatosis with Polyangiitis

      Krishnan K. Nair-Parameswaran
      St. Joseph's Hospital, 
      Hamilton, ON, CA 

      Krishnan Nair-Parameswaran practices in Hamilton, Canada. Mr. Nair-Parameswaran is rated as an Advanced expert by MediFind in the treatment of Granulomatosis with Polyangiitis. His top areas of expertise are Eosinophilic Asthma, Asthma, Chronic Eosinophilic Pneumonia, Simple Pulmonary Eosinophilia, and Lung Transplant.

      George Shaker
      Experienced in Granulomatosis with Polyangiitis

      George Shaker
      Experienced in Granulomatosis with Polyangiitis

      George Shaker
      Waterloo, ON, CA 

      George Shaker practices in Waterloo, Canada. Mr. Shaker is rated as an Experienced expert by MediFind in the treatment of Granulomatosis with Polyangiitis. His top area of expertise is Granulomatosis with Polyangiitis.

      Experienced in Granulomatosis with Polyangiitis

      Lillian J. Barra
      Experienced in Granulomatosis with Polyangiitis

      Lillian J. Barra

      St. Joseph's Health Care London

      London, ON, CA 

      Lillian Barra practices in London, Canada. Ms. Barra is rated as an Experienced expert by MediFind in the treatment of Granulomatosis with Polyangiitis. Her top areas of expertise are Vasculitis, Takayasu Arteritis, Rheumatoid Arthritis (RA), and Giant Cell Arteritis (GCA).

      Experienced in Granulomatosis with Polyangiitis

      Nataliya Milman
      Experienced in Granulomatosis with Polyangiitis

      Nataliya Milman
      1967 Riverside Drive, 
      Ottawa, ON, CA 

      Nataliya Milman practices in Ottawa, Canada. Ms. Milman is rated as an Experienced expert by MediFind in the treatment of Granulomatosis with Polyangiitis. Her top areas of expertise are Vasculitis, Giant Cell Arteritis (GCA), Temporal Arteritis, and Takayasu Arteritis.

      Experienced in Granulomatosis with Polyangiitis

      Pascal N. Tyrrell
      Experienced in Granulomatosis with Polyangiitis

      Pascal N. Tyrrell
      Toronto, ON, CA 

      Pascal Tyrrell practices in Toronto, Canada. Mr. Tyrrell is rated as an Experienced expert by MediFind in the treatment of Granulomatosis with Polyangiitis. His top areas of expertise are Muckle-Wells Syndrome, Familial Cold Autoinflammatory Syndrome, Neonatal Onset Multisystem Inflammatory Disease, Vasculitis, and Thrombectomy.

      Experienced in Granulomatosis with Polyangiitis

      Natalie Pulenzas
      Experienced in Granulomatosis with Polyangiitis

      Natalie Pulenzas
      Mount Sinai Hospital, 
      Toronto, ON, CA 

      Natalie Pulenzas practices in Toronto, Canada. Ms. Pulenzas is rated as an Experienced expert by MediFind in the treatment of Granulomatosis with Polyangiitis. Her top areas of expertise are Ganglioglioma, Breast Cancer, Osteonecrosis, Bone Tumor, and Mastectomy.

      Experienced in Granulomatosis with Polyangiitis

      Sahil Koppikar
      Experienced in Granulomatosis with Polyangiitis

      Sahil Koppikar
      1 King's College Circle, 
      Toronto, ON, CA 

      Sahil Koppikar practices in Toronto, Canada. Mr. Koppikar is rated as an Experienced expert by MediFind in the treatment of Granulomatosis with Polyangiitis. His top areas of expertise are Psoriatic Arthritis, Synovitis, Arthritis, and Tenosynovitis.

      Experienced in Granulomatosis with Polyangiitis

      Ronald M. Laxer
      Experienced in Granulomatosis with Polyangiitis

      Ronald M. Laxer
      Toronto, ON, CA 

      Ronald Laxer practices in Toronto, Canada. Mr. Laxer is rated as an Experienced expert by MediFind in the treatment of Granulomatosis with Polyangiitis. His top areas of expertise are Chronic Recurrent Multifocal Osteomyelitis, Localized Scleroderma, Osteomyelitis, Osteomyelitis in Children, and Tissue Biopsy.

      Experienced in Granulomatosis with Polyangiitis

      Janet E. Pope
      Experienced in Granulomatosis with Polyangiitis

      Janet E. Pope
      268, Grosvenor St, 
      London, ON, CA 

      Janet Pope practices in London, Canada. Ms. Pope is rated as an Experienced expert by MediFind in the treatment of Granulomatosis with Polyangiitis. Her top areas of expertise are Rheumatoid Arthritis (RA), Scleroderma, Systemic Sclerosis (SSc), and Arthritis.

      Experienced in Granulomatosis with Polyangiitis

      Diane Hebert
      Experienced in Granulomatosis with Polyangiitis

      Diane Hebert
      Toronto, ON, CA 

      Diane Hebert practices in Toronto, Canada. Ms. Hebert is rated as an Experienced expert by MediFind in the treatment of Granulomatosis with Polyangiitis. Her top areas of expertise are Nephrotic Syndrome, Vasculitis, Takayasu Arteritis, Cytomegalovirus Infection, and Kidney Transplant.

      Experienced in Granulomatosis with Polyangiitis

      Medha L. Soowamber
      Experienced in Granulomatosis with Polyangiitis

      Medha L. Soowamber
      Mount Sinai Hospital, 
      Toronto, ON, CA 

      Medha Soowamber practices in Toronto, Canada. Ms. Soowamber is rated as an Experienced expert by MediFind in the treatment of Granulomatosis with Polyangiitis. Her top areas of expertise are Vasculitis, Giant Cell Arteritis (GCA), Temporal Arteritis, and Amaurosis Fugax.

      Experienced in Granulomatosis with Polyangiitis

      Marcio M. Gomes
      Experienced in Granulomatosis with Polyangiitis

      Marcio M. Gomes
      Ottawa, ON, CA 

      Marcio Gomes practices in Ottawa, Canada. Mr. Gomes is rated as an Experienced expert by MediFind in the treatment of Granulomatosis with Polyangiitis. His top areas of expertise are Lung Cancer, Lung Adenocarcinoma, Non-Small Cell Lung Cancer (NSCLC), and Granulomatosis with Polyangiitis.

      Experienced in Granulomatosis with Polyangiitis

      Joao R. Inacio
      Experienced in Granulomatosis with Polyangiitis

      Joao R. Inacio
      Ottawa, ON, CA 

      Joao Inacio practices in Ottawa, Canada. Mr. Inacio is rated as an Experienced expert by MediFind in the treatment of Granulomatosis with Polyangiitis. His top areas of expertise are Undifferentiated Connective Tissue Disease (UCTD), Sarcoidosis, Pulmonary Embolism, and Gangrene.

      Experienced in Granulomatosis with Polyangiitis

      Edward A. Margolin
      Experienced in Granulomatosis with Polyangiitis

      Edward A. Margolin
      1 King's College Circle, 
      Toronto, ON, CA 

      Edward Margolin practices in Toronto, Canada. Mr. Margolin is rated as an Experienced expert by MediFind in the treatment of Granulomatosis with Polyangiitis. His top areas of expertise are Papilledema, Increased Intracranial Pressure, Horner Syndrome, Stent Placement, and Salpingo-Oophorectomy.

      Experienced in Granulomatosis with Polyangiitis

      Sunita S. Mulpuru
      Experienced in Granulomatosis with Polyangiitis

      Sunita S. Mulpuru
      Ottawa, ON, CA 

      Sunita Mulpuru practices in Ottawa, Canada. Ms. Mulpuru is rated as an Experienced expert by MediFind in the treatment of Granulomatosis with Polyangiitis. Her top areas of expertise are Chronic Obstructive Pulmonary Disease (COPD), Asthma, Pleural Effusion, and Flu.

      While we make every effort to provide the best results possible, data is currently limited outside of the United States. Doctors listed may include both clinicians and researchers, and individuals relocate frequently. We recommend contacting doctors directly to confirm their location and areas of focus. Contact information is provided when available. Learn more about our expert tiers.
      Showing 1-20 of 37

      Last Updated: 10/30/2025

      What is the definition of Granulomatosis with Polyangiitis?

      Granulomatosis with polyangiitis (GPA) is a rare disorder in which blood vessels become inflamed. This leads to damage in major organs of the body. It was formerly known as Wegener's granulomatosis.

      When should I see a Granulomatosis with Polyangiitis doctor in Ontario, CA?

      There are various reasons why you may want to see a specialist, such as: 

      • Your primary care provider recommends it. 
      • Your condition requires expert knowledge and specialized care. 
      • Your symptoms persist or worsen despite treatment. 
      • You need specialized testing or procedures. 
      • You want a second opinion.  

      What should I consider when choosing a Granulomatosis with Polyangiitis doctor in Ontario, CA?

      It’s important to see a provider with expertise in your specific condition. Each provider profile in MediFind’s doctor database includes information on which conditions they treat, years of experience, research contributions, languages spoken, insurance plans accepted, and more.  

      How do I find the best Granulomatosis with Polyangiitis doctor in Ontario, CA?

      You can find a Granulomatosis with Polyangiitis doctor in any of the 10 largest U.S. cities by clicking below:

      Granulomatosis with Polyangiitis doctor near New York, NY
      Granulomatosis with Polyangiitis doctor near Los Angeles, CA
      Granulomatosis with Polyangiitis doctor near Chicago, IL
      Granulomatosis with Polyangiitis doctor near Houston, TX
      Granulomatosis with Polyangiitis doctor near Phoenix, AZ
      Granulomatosis with Polyangiitis doctor near Philadelphia, PA
      Granulomatosis with Polyangiitis doctor near Atlanta, GA
      Granulomatosis with Polyangiitis doctor near Boston, MA
      Granulomatosis with Polyangiitis doctor near Dallas, TX
      Granulomatosis with Polyangiitis doctor near San Jose, CA

      How does MediFind rank Granulomatosis with Polyangiitis doctors in Ontario, CA?

      MediFind’s rankings are based on a variety of data sources, such as the number of articles a doctor has published in medical journals, participation in clinical trials and industry conferences, as well as the number of patients that provider sees for a given condition. Note that MediFind’s provider database is not based on user reviews, and providers do not pay to be included in the database. 

      What types of insurance are accepted by Granulomatosis with Polyangiitis doctors in Ontario, CA?

      Most profiles in MediFind’s doctor database include a list of insurance plans accepted by that provider. However, it’s a good idea to contact the provider’s office to make sure they still accept your insurance, then doublecheck by contacting your insurance plan to confirm they’re in network. 

      How can I book an appointment online with a Granulomatosis with Polyangiitis doctor in Ontario, CA?

      MediFind offers direct scheduling for certain providers using the “Request Appointment” button on that provider’s profile. If the schedule option is not available for a provider, tap the red “Show Phone Number” button on their profile to get their contact information. If you prefer to find providers who offer online scheduling, select “Schedules online” under the “Availability” category of the filter feature on the left side of the Granulomatosis with Polyangiitis doctor search results page. 

      Why is it important to get a second opinion from a different Granulomatosis with Polyangiitis doctor?

      Second opinions are an opportunity to confirm a diagnosis and its root cause, learn about alternative treatment options, or simply gain peace of mind. Many people, especially those with serious diagnoses, get second opinions so they can understand all their options and make informed decisions, so don’t hesitate to get one if you have any doubts or need more information or clarification regarding your care. Note that some insurance plans require second opinions, while others don’t cover second opinions, so be sure to confirm with your insurance provider first.   

      How can I prepare for my appointment with a Granulomatosis with Polyangiitis doctor in Ontario, CA?

      Prepare for your appointment by gathering the following items: 

      • Copies of medical records (dating back at least one year) 
      • Your medical history, including illnesses, medical conditions, surgeries, and other doctors you see 
      • Family history of disease 
      • List of current prescription drugs, over-the-counter medicines, vitamins, and herbal remedies or supplements including names and doses 
      • Allergies to medications, food, latex, insects, etc.  
      • List of questions and concerns 
      • Your insurance card 

      You might also contact the provider’s office to see if they offer transportation or childcare services or if you’re allowed to bring a loved one for support or to take notes during your visit. 

      What questions should I ask my Granulomatosis with Polyangiitis doctor?

      Here are some sample questions: 

      • Can you explain in simple terms what this condition is and how it’s treated? 
      • What symptoms or side effects should I watch for? 
      • What tests will be involved, and when can I expect results? 
      • Are there other specialists I need to see? 
      • What’s the best way to reach you if I have follow-up questions? 

      How can I learn about the latest clinical trials and research advances my Granulomatosis with Polyangiitis doctor may know about?

      MediFind’s Clinical Trials tool asks you a series of questions to help you narrow down your search by health condition, age, gender, location, how far you’re willing to travel, and more. Each question you answer filters down the number of trials until you find the ones that are most relevant to you. 

      MediFind’s Latest Advances tool features summaries of recent articles published in medical journals. We use cutting-edge technology to scour medical publication databases for the latest research advancements on any given condition, then we simplify this information in a way that’s useful and easy to understand. 

      Can I filter my search to show male or female Granulomatosis with Polyangiitis doctors in Ontario, CA?

      Look for the filter feature on the left side of the Granulomatosis with Polyangiitis doctor search results page. Select “Female” or “Male” under the “Gender” category to search for female or male providers exclusively. If the “Any” option is selected, it will pull results for both male and female providers. 

      Can I filter my search to find a Granulomatosis with Polyangiitis doctor that offers video calls?

      Look for the filter feature on the left-side of the Granulomatosis with Polyangiitis doctor search results page. Select “Offers telehealth visits” under the Availability category to search for providers who offer virtual appointments (video calls). 

      Reviewed on: 11/11/24  

      By: MediFind Medical Staff 

      Read more about our Content Policy.