The 20 Best Giant Cell Arteritis (GCA) Doctors Near Me in orange, CA

Find the Top Giant Cell Arteritis (GCA) Experts and Specialists

Last Updated: 09/26/2026

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MediFind found 45 doctor with experience in Giant Cell Arteritis (GCA) near orange, CA. Of these, 40 are Experienced, 4 are Advanced and 1 are Distinguished.

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45 providers found
    Advanced in Giant Cell Arteritis (GCA)
    Rheumatology
    Advanced in Giant Cell Arteritis (GCA)
    Rheumatology
    Referral may be required

    UC Irvine Medical Center

    101 The City Drive South, Building 30, 
    Orange, CA 
     (2.0 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Dan Mandel is a Rheumatologist practicing medicine in Orange, California. Dr. Mandel is rated as an Advanced provider by MediFind in the treatment of Giant Cell Arteritis (GCA). He is also highly rated in 33 other conditions, according to our data. His clinical expertise encompasses Acute Febrile Neutrophilic Dermatosis, Scleritis, Calcium Pyrophosphate Arthritis, and Polyarteritis Nodosa. Dr. Mandel is board certified in American Board Of Internal Medicine - Rheumatology. Dr. Mandel is currently accepting new patients.

    Advanced in Giant Cell Arteritis (GCA)
    Advanced in Giant Cell Arteritis (GCA)
    Referral may be required

    J Lee MD Med Corp Inc

    1010 W La Veta Ave, 
    Orange, CA 
     (0.7 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Joo-hyung Lee is a Rheumatologist practicing medicine in Orange, California. Dr. Lee is rated as an Advanced provider by MediFind in the treatment of Giant Cell Arteritis (GCA). He is also highly rated in 43 other conditions, according to our data. His clinical expertise encompasses Rheumatoid Arthritis (RA), Postmenopausal Osteoporosis, Osteoporosis, and Fibromyalgia. Dr. Lee is board certified in American Board Of Rheumatology. Dr. Lee is currently accepting new patients.

    Experienced in Giant Cell Arteritis (GCA)
    Experienced in Giant Cell Arteritis (GCA)
    Referral may be required

    UC Irvine Medical Center

    101 The City Drive South, Building 30, 
    Orange, CA 
     (2.0 miles away)
    Languages Spoken:
    English, Hindi, Tamil
    Accepting New Patients
    Offers Telehealth

    Priyanka Iyer is a Rheumatologist practicing medicine in Orange, California. Dr. Iyer is rated as an Experienced provider by MediFind in the treatment of Giant Cell Arteritis (GCA). Her clinical expertise encompasses Eosinophilic Granulomatosis with Polyangiitis (EGPA, Churg-Strauss Syndrome), Sjogren Syndrome, Giant Cell Arteritis (GCA), and Temporal Arteritis. Dr. Iyer is board certified in American Board Of Internal Medicine - Rheumatology and American Board Of Internal Medicine - Internal Medicine. Dr. Iyer is currently accepting new patients.

    Learn about our expert tiers
    Experienced in Giant Cell Arteritis (GCA)
    Experienced in Giant Cell Arteritis (GCA)
    Referral may be required

    UC Irvine Medical Center

    101 The City Drive South, Building 30, 
    Orange, CA 
     (2.0 miles away)
    Languages Spoken:
    English, Gujarati , Spanish
    Accepting New Patients
    Offers Telehealth

    Sheetal Desai is a Rheumatologist practicing medicine in Orange, California. Dr. Desai is rated as an Experienced provider by MediFind in the treatment of Giant Cell Arteritis (GCA). She is also highly rated in 17 other conditions, according to our data. Her clinical expertise encompasses Rheumatoid Arthritis (RA), Lupus Nephritis, Sarcoidosis, and Neurosarcoidosis. Dr. Desai is board certified in American Board Of Internal Medicine - Rheumatology. Dr. Desai is currently accepting new patients.

    Advanced in Giant Cell Arteritis (GCA)
    Rheumatology
    Advanced in Giant Cell Arteritis (GCA)
    Rheumatology
    Referral required
    2501 East Chapman Avenue, Suite 301, 
    Orange, CA 
     (3.9 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Mehrnaz Hojjati is a Rheumatologist practicing medicine in Orange, California. Dr. Hojjati is rated as an Advanced provider by MediFind in the treatment of Giant Cell Arteritis (GCA). She is also highly rated in 24 other conditions, according to our data. Her clinical expertise encompasses Vasculitis, Rheumatoid Arthritis (RA), Temporal Arteritis, and Giant Cell Arteritis (GCA). Dr. Hojjati is currently accepting new patients.

    Experienced in Giant Cell Arteritis (GCA)
    Internal Medicine
    Experienced in Giant Cell Arteritis (GCA)
    Internal Medicine

    Optum - Chapman

    845 E Chapman Ave, 
    Orange, CA 
     (0.6 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Thomas Hryniewicki is a primary care provider, practicing in Internal Medicine in Orange, California. Dr. Hryniewicki is rated as an Experienced provider by MediFind in the treatment of Giant Cell Arteritis (GCA). He is also highly rated in 43 other conditions, according to our data. His clinical expertise encompasses Autoerythrocyte Sensitivity, Purpura, Gardner-Diamond Syndrome, and Cirrhosis. Dr. Hryniewicki is board certified in American Board Of Internal Medicine. Dr. Hryniewicki is currently accepting new patients.

    Experienced in Giant Cell Arteritis (GCA)
    Internal Medicine
    Experienced in Giant Cell Arteritis (GCA)
    Internal Medicine

    UCI Health Cardiovascular Center

    101 The City Dr S Bldg 30, 
    Orange, CA 
     (1.2 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Ian Chang is a primary care provider, practicing in Internal Medicine in Orange, California. Dr. Chang is rated as an Experienced provider by MediFind in the treatment of Giant Cell Arteritis (GCA). He is also highly rated in 4 other conditions, according to our data. His clinical expertise encompasses Acute Febrile Neutrophilic Dermatosis, Takayasu Arteritis, MASS Phenotype, and Mixed Connective Tissue Disease. Dr. Chang is currently accepting new patients.

    Experienced in Giant Cell Arteritis (GCA)
    Experienced in Giant Cell Arteritis (GCA)
    Referral may be required

    J. Lee MD Medical Corp. Inc.

    1010 W La Veta Ave Ste 360, 
    Orange, CA 
     (1.2 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Arthur Mabaquiao is a Rheumatologist practicing medicine in Orange, California. Dr. Mabaquiao is rated as an Experienced provider by MediFind in the treatment of Giant Cell Arteritis (GCA). He is also highly rated in 23 other conditions, according to our data. His clinical expertise encompasses Rheumatoid Arthritis (RA), Microscopic Polyangiitis, Sjogren Syndrome, and Necrotizing Vasculitis. Dr. Mabaquiao is currently accepting new patients.

    Experienced in Giant Cell Arteritis (GCA)
    Rheumatology
    Experienced in Giant Cell Arteritis (GCA)
    Rheumatology
    Referral may be required
    2501 East Chapman Avenue, Suite 301, 
    Orange, CA 
     (3.9 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Andrew Phan is a Rheumatologist practicing medicine in Orange, California. Dr. Phan is rated as an Experienced provider by MediFind in the treatment of Giant Cell Arteritis (GCA). He is also highly rated in 8 other conditions, according to our data. His clinical expertise encompasses Scleroderma, Postmenopausal Osteoporosis, Osteoporosis, and Systemic Sclerosis (SSc). Dr. Phan is currently accepting new patients.

    Experienced in Giant Cell Arteritis (GCA)
    Experienced in Giant Cell Arteritis (GCA)
    Referral may be required

    UC Irvine Medical Center

    101 The City Drive South, Building 30, 
    Orange, CA 
     (2.0 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Michael Cheng is a Rheumatologist practicing medicine in Orange, California. Dr. Cheng is rated as an Experienced provider by MediFind in the treatment of Giant Cell Arteritis (GCA). He is also highly rated in 16 other conditions, according to our data. His clinical expertise encompasses Rheumatoid Arthritis (RA), Psoriatic Arthritis, Psoriasis, and Calcium Pyrophosphate Arthritis. Dr. Cheng is board certified in American Board Of Internal Medicine - Rheumatology and American Board Of Internal Medicine - Internal Medicine.

    Experienced in Giant Cell Arteritis (GCA)
    Geriatrics | Internal Medicine
    Experienced in Giant Cell Arteritis (GCA)
    Geriatrics | Internal Medicine
    Referral may be required

    UCI Health SeniorHealth Center

    101 The City Drive South, Building 25B, 
    Orange, CA 
     (2.0 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Steven Tam is a primary care provider, practicing in Geriatrics and Internal Medicine in Orange, California. Dr. Tam is rated as an Experienced provider by MediFind in the treatment of Giant Cell Arteritis (GCA). He is also highly rated in 11 other conditions, according to our data. His clinical expertise encompasses Memory Loss, Chronic Cough, Dementia, and Cerebellar Degeneration. Dr. Tam is board certified in American Board Of Preventive Medicine - Clinical Informatics, American Board Of Internal Medicine - Internal Medicine, and American Board Of Internal Medicine - Geriatric Medicine.

    Distinguished in Giant Cell Arteritis (GCA)
    Rheumatology
    Distinguished in Giant Cell Arteritis (GCA)
    Rheumatology
    Referral may be required

    Office

    355 Placentia Ave Ste 208, 
    Newport Beach, CA 
     (12.0 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Kathy Karamlou is a Rheumatologist practicing medicine in Newport Beach, California. Dr. Karamlou is rated as a Distinguished provider by MediFind in the treatment of Giant Cell Arteritis (GCA). She is also highly rated in 28 other conditions, according to our data. Her clinical expertise encompasses Rhizomelic Pseudopolyarthritis, Rheumatoid Arthritis (RA), Ankylosing Spondylitis, and Rheumatoid Lung Disease. Dr. Karamlou is currently accepting new patients.

    Experienced in Giant Cell Arteritis (GCA)
    Experienced in Giant Cell Arteritis (GCA)
    Referral may be required

    UCI Health

    101 The City Dr S, 
    Orange, CA 
     (2.0 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Farshid Bozorgnia is a Rheumatologist practicing medicine in Orange, California. Dr. Bozorgnia is rated as an Experienced provider by MediFind in the treatment of Giant Cell Arteritis (GCA). He is also highly rated in 1 other condition, according to our data. His clinical expertise encompasses Hypersensitivity Vasculitis, Raynaud Phenomenon, Fibromyalgia, and Vasculitis. Dr. Bozorgnia is currently accepting new patients.

    Experienced in Giant Cell Arteritis (GCA)
    Internal Medicine
    Experienced in Giant Cell Arteritis (GCA)
    Internal Medicine

    Uci University Physicians And Su

    101 The City Dr S, 
    Orange, CA 
     (2.0 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Martha Sosa-Johnson is a primary care provider, practicing in Internal Medicine in Orange, California. Dr. Sosa-Johnson is rated as an Experienced provider by MediFind in the treatment of Giant Cell Arteritis (GCA). She is also highly rated in 5 other conditions, according to our data. Her clinical expertise encompasses Visceromegaly, Osteoarthritis, Multiple Myeloma, and Hepatitis. Dr. Sosa-Johnson is board certified in American Board Of Internal Medicine.

    Experienced in Giant Cell Arteritis (GCA)
    Rheumatology
    Experienced in Giant Cell Arteritis (GCA)
    Rheumatology
    Referral may be required

    Consortio Healthcare Inc

    12791 Newport Ave Ste 201, 
    Tustin, CA 
     (4.3 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Robin Dore is a Rheumatologist practicing medicine in Tustin, California. Dr. Dore is rated as an Experienced provider by MediFind in the treatment of Giant Cell Arteritis (GCA). She is also highly rated in 24 other conditions, according to our data. Her clinical expertise encompasses Rheumatoid Arthritis (RA), Postmenopausal Osteoporosis, Osteoporosis, and Juvenile Primary Osteoporosis. Dr. Dore is currently accepting new patients.

    Experienced in Giant Cell Arteritis (GCA)
    Internal Medicine
    Experienced in Giant Cell Arteritis (GCA)
    Internal Medicine

    Office

    925 S Euclid St, 
    Anaheim, CA 
     (5.5 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Tracy Driver is a primary care provider, practicing in Internal Medicine in Anaheim, California. Dr. Driver is rated as an Experienced provider by MediFind in the treatment of Giant Cell Arteritis (GCA). Her clinical expertise encompasses Scleroma, Systemic Sclerosis (SSc), Scleroderma, and Fibromyalgia. Dr. Driver is currently accepting new patients.

    Experienced in Giant Cell Arteritis (GCA)
    Rheumatology
    Experienced in Giant Cell Arteritis (GCA)
    Rheumatology
    Referral may be required

    Bristol Park Medical Group Inc

    722 Baker St, 
    Costa Mesa, CA 
     (7.6 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Man Shim is a Rheumatologist practicing medicine in Costa Mesa, California. Dr. Shim is rated as an Experienced provider by MediFind in the treatment of Giant Cell Arteritis (GCA). He is also highly rated in 2 other conditions, according to our data. His clinical expertise encompasses Raynaud Phenomenon, Rheumatoid Arthritis (RA), Psoriasis, and Fibromyalgia. Dr. Shim is currently accepting new patients.

    Experienced in Giant Cell Arteritis (GCA)
    Rheumatology
    Experienced in Giant Cell Arteritis (GCA)
    Rheumatology
    Referral may be required

    Gharoon Panahi MD Inc.

    11180 Warner Ave Ste 157, 
    Fountain Valley, CA 
     (7.7 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Gharoon Panahi is a Rheumatologist practicing medicine in Fountain Valley, California. Dr. Panahi is rated as an Experienced provider by MediFind in the treatment of Giant Cell Arteritis (GCA). He is also highly rated in 2 other conditions, according to our data. His clinical expertise encompasses Lupus Nephritis, Rheumatoid Arthritis (RA), Psoriasis, and Plaque Psoriasis. Dr. Panahi is currently accepting new patients.

    Experienced in Giant Cell Arteritis (GCA)
    Experienced in Giant Cell Arteritis (GCA)
    Referral may be required

    Office

    4950 Barranca Pkwy Ste 205B, 
    Irvine, CA 
     (7.7 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Christine Leehealey is a Rheumatologist practicing medicine in Irvine, California. Dr. Leehealey is rated as an Experienced provider by MediFind in the treatment of Giant Cell Arteritis (GCA). She is also highly rated in 18 other conditions, according to our data. Her clinical expertise encompasses Rheumatoid Arthritis (RA), Rheumatoid Vasculitis, Necrotizing Vasculitis, and Psoriatic Arthritis. Dr. Leehealey is currently accepting new patients.

    Experienced in Giant Cell Arteritis (GCA)
    Experienced in Giant Cell Arteritis (GCA)
    Referral may be required

    Office

    2141 N Harbor Blvd Ste 25000, 
    Fullerton, CA 
     (8.6 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Michael Fabricant is a Rheumatologist practicing medicine in Fullerton, California. Dr. Fabricant is rated as an Experienced provider by MediFind in the treatment of Giant Cell Arteritis (GCA). His clinical expertise encompasses Rheumatoid Arthritis (RA), Felty Syndrome, Temporal Arteritis, and Giant Cell Arteritis (GCA). Dr. Fabricant is currently accepting new patients.

    Showing 1-20 of 45

    Last Updated: 09/26/2026

    What is the definition of Giant Cell Arteritis (GCA)?

    Giant cell arteritis (GCA) is a form of vasculitis, a group of disorders that cause inflammation of blood vessels. GCA most commonly affects the arteries of the head (especially the temporal arteries, located on each side of the head), but arteries in other areas of the body can also become inflamed. The inflammation causes the arteries to narrow, resulting in poor blood flow. Symptoms when arteries in the head are involved may include a throbbing headache on one side or the back of the head, tenderness of the scalp, flu-like symptoms, and/or problems with eyesight. Symptoms when other arteries are involved depend on the location of those arteries. The cause of GCA is still being studied, but it is thought to involve the immune system mistakenly attacking the artery walls. Several genetic and environmental factors may increase a person's risk to develop GCA. GCA may develop with or after another inflammatory disorder known as polymyalgia rheumatica.

    When should I see a Giant Cell Arteritis (GCA) doctor near orange, 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 Giant Cell Arteritis (GCA) doctor near orange, 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 does MediFind rank Giant Cell Arteritis (GCA) doctors near orange, 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 Giant Cell Arteritis (GCA) doctors near orange, 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 Giant Cell Arteritis (GCA) doctor near orange, 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 Giant Cell Arteritis (GCA) doctor search results page. 

    Why is it important to get a second opinion from a different Giant Cell Arteritis (GCA) 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 Giant Cell Arteritis (GCA) doctor near orange, 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 Giant Cell Arteritis (GCA) 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 Giant Cell Arteritis (GCA) 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 Giant Cell Arteritis (GCA) doctors near orange, CA?

    Look for the filter feature on the left side of the Giant Cell Arteritis (GCA) 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 Giant Cell Arteritis (GCA) doctor that offers video calls?

    Look for the filter feature on the left-side of the Giant Cell Arteritis (GCA) 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 

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