The 20 Best Rheumatoid Arthritis (RA) Doctors Near Me in Mission Viejo, CA

Find the Top Rheumatoid Arthritis (RA) Experts and Specialists

Last Updated: 04/28/2026

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MediFind found 28 doctor with experience in Rheumatoid Arthritis (RA) near Mission Viejo, CA. Of these, 14 are Experienced, 9 are Advanced and 4 are Distinguished.

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28 providers found
    Distinguished in Rheumatoid Arthritis (RA)

    Dr. Gayle M. Kookootsedes
    Rheumatology
    Distinguished in Rheumatoid Arthritis (RA)

    Dr. Gayle M. Kookootsedes
    Rheumatology

    Kookootsedes Medical PC

    25411 Cabot Rd, 
    Laguna Hills, CA 
     (1.0 miles away)
    949-535-4001
    Experience:
    32+ years
    Languages Spoken:
    English
    See accepted insurances
    Offers Telehealth

    Gayle Kookootsedes is a Rheumatologist in Laguna Hills, California. Dr. Kookootsedes has been practicing medicine for over 32 years and is rated as a Distinguished provider by MediFind in the treatment of Rheumatoid Arthritis (RA). Her top areas of expertise are Fibromyalgia, Rheumatoid Arthritis (RA), Psoriatic Arthritis, and Raynaud Phenomenon.

    Advanced in Rheumatoid Arthritis (RA)

    Dr. Catherine B. Driver
    Rheumatology
    Advanced in Rheumatoid Arthritis (RA)

    Dr. Catherine B. Driver
    Rheumatology
    26732 Crown Valley Parkway, Suite 151, 
    Mission Viejo, CA 
     (2.4 miles away)
    949-347-6044
    Languages Spoken:
    English
    See accepted insurances
    Accepting New Patients
    Offers Telehealth

    Catherine Driver is a Rheumatologist in Mission Viejo, California. Dr. Driver is rated as an Advanced provider by MediFind in the treatment of Rheumatoid Arthritis (RA). Her top areas of expertise are Rheumatoid Arthritis (RA), Paget's Disease of Bone, Scleroma, and Systemic Sclerosis (SSc). Dr. Driver is currently accepting new patients.

    Advanced in Rheumatoid Arthritis (RA)

    Dr. David B. Kovacs
    Rheumatology
    Advanced in Rheumatoid Arthritis (RA)

    Dr. David B. Kovacs
    Rheumatology
    26732 Crown Valley Parkway, Suite 151, 
    Mission Viejo, CA 
     (2.4 miles away)
    949-347-6044
    Languages Spoken:
    English
    See accepted insurances
    Accepting New Patients

    David Kovacs is a Rheumatologist in Mission Viejo, California. Dr. Kovacs is rated as an Advanced provider by MediFind in the treatment of Rheumatoid Arthritis (RA). His top areas of expertise are Rheumatoid Vasculitis, Ankylosing Spondylitis, Axial Spondyloarthritis (AxSpA), and Rheumatoid Pneumoconiosis. Dr. Kovacs is currently accepting new patients.

    Learn about our expert tiers
    Advanced in Rheumatoid Arthritis (RA)

    Dr. Simranjit K. Singh
    Rheumatology
    Advanced in Rheumatoid Arthritis (RA)

    Dr. Simranjit K. Singh
    Rheumatology
    26732 Crown Valley Parkway, Suite 151, 
    Mission Viejo, CA 
     (2.4 miles away)
    949-347-6044
    Languages Spoken:
    English
    See accepted insurances
    Offers Telehealth

    Simranjit Singh is a Rheumatologist in Mission Viejo, California. Dr. Singh is rated as an Advanced provider by MediFind in the treatment of Rheumatoid Arthritis (RA). Her top areas of expertise are Erythromelalgia, Rheumatoid Vasculitis, Ankylosing Spondylitis, and Axial Spondyloarthritis (AxSpA).

    Experienced in Rheumatoid Arthritis (RA)

    Dr. Hernan P. Castro
    Rheumatology
    Experienced in Rheumatoid Arthritis (RA)

    Dr. Hernan P. Castro
    Rheumatology
    26732 Crown Valley Parkway, Suite 151, 
    Mission Viejo, CA 
     (2.4 miles away)
    949-347-6044
    Languages Spoken:
    English
    See accepted insurances
    Accepting New Patients

    Hernan Castro is a Rheumatologist in Mission Viejo, California. Dr. Castro is rated as an Experienced provider by MediFind in the treatment of Rheumatoid Arthritis (RA). His top areas of expertise are Rheumatoid Vasculitis, Calcium Pyrophosphate Arthritis, Ankylosing Spondylitis, and Axial Spondyloarthritis (AxSpA). Dr. Castro is currently accepting new patients.

    Experienced in Rheumatoid Arthritis (RA)

    Dr. Jaya A. Philipose
    Rheumatology
    Experienced in Rheumatoid Arthritis (RA)

    Dr. Jaya A. Philipose
    Rheumatology
    26732 Crown Valley Parkway, Suite 151, 
    Mission Viejo, CA 
     (2.4 miles away)
    949-347-6044
    Languages Spoken:
    English
    See accepted insurances
    Accepting New Patients
    Offers Telehealth

    Jaya Philipose is a Rheumatologist in Mission Viejo, California. Dr. Philipose is rated as an Experienced provider by MediFind in the treatment of Rheumatoid Arthritis (RA). Her top areas of expertise are Psoriasis, Psoriatic Arthritis, Fibromyalgia, and Rheumatoid Arthritis (RA). Dr. Philipose is currently accepting new patients.

    Advanced in Rheumatoid Arthritis (RA)

    Dr. William Shiel
    Rheumatology
    Advanced in Rheumatoid Arthritis (RA)

    Dr. William Shiel
    Rheumatology

    Mission Heritage Family Medicine-Mission Viejo

    26732 Crown Valley Pkwy Ste 151, 
    Mission Viejo, CA 
     (1.1 miles away)
    949-347-6069
    Languages Spoken:
    English

    William Shiel is a Rheumatologist in Mission Viejo, California. Dr. Shiel is rated as an Advanced provider by MediFind in the treatment of Rheumatoid Arthritis (RA). His top areas of expertise are Rheumatoid Arthritis (RA), Erythromelalgia, Psoriatic Arthritis, and Psoriasis.

    Advanced in Rheumatoid Arthritis (RA)

    Dr. Alan Schenk
    Rheumatology
    Advanced in Rheumatoid Arthritis (RA)

    Dr. Alan Schenk
    Rheumatology

    Valdemar Ascencio MD Inc.

    23961 Calle De La Magdalena Ste 200, 
    Laguna Hills, CA 
     (2.3 miles away)
    949-238-4100
    Languages Spoken:
    English
    See accepted insurances
    Offers Telehealth

    Alan Schenk is a Rheumatologist in Laguna Hills, California. Dr. Schenk is rated as an Advanced provider by MediFind in the treatment of Rheumatoid Arthritis (RA). His top areas of expertise are Osteoporosis, Postmenopausal Osteoporosis, Rheumatoid Arthritis (RA), and Sjogren Syndrome.

    Advanced in Rheumatoid Arthritis (RA)

    Dr. Fatemeh J. Farshami
    Rheumatology
    Advanced in Rheumatoid Arthritis (RA)

    Dr. Fatemeh J. Farshami
    Rheumatology

    Optum - Mission Viejo

    26991 Crown Valley Pkwy, 
    Mission Viejo, CA 
     (2.5 miles away)
    949-582-5430
    Experience:
    17+ years
    Languages Spoken:
    English
    See accepted insurances
    Accepting New Patients
    Offers Telehealth

    Fatemeh Farshami is a Rheumatologist in Mission Viejo, California. Dr. Farshami has been practicing medicine for over 17 years and is rated as an Advanced provider by MediFind in the treatment of Rheumatoid Arthritis (RA). Her top areas of expertise are Fibromyalgia, Rheumatoid Arthritis (RA), Postmenopausal Osteoporosis, and Osteoporosis. Dr. Farshami is currently accepting new patients.

    Distinguished in Rheumatoid Arthritis (RA)

    Dr. Christine Leehealey
    Rheumatology
    Distinguished in Rheumatoid Arthritis (RA)

    Dr. Christine Leehealey
    Rheumatology

    Office

    4950 Barranca Pkwy Ste 205B, 
    Irvine, CA 
     (9.9 miles away)
    949-654-3763
    Languages Spoken:
    English
    See accepted insurances

    Christine Leehealey is a Rheumatologist in Irvine, California. Dr. Leehealey is rated as a Distinguished provider by MediFind in the treatment of Rheumatoid Arthritis (RA). Her top areas of expertise are Rheumatoid Arthritis (RA), Rheumatoid Vasculitis, Necrotizing Vasculitis, and Psoriatic Arthritis.

    Experienced in Rheumatoid Arthritis (RA)

    Dr. Chay Bae
    Rheumatology
    Experienced in Rheumatoid Arthritis (RA)

    Dr. Chay Bae
    Rheumatology

    Chay Bae, DO

    26538 Moulton Pkwy Ste 38E, 
    Laguna Hills, CA 
     (2.3 miles away)
    877-696-3622
    Languages Spoken:
    English
    See accepted insurances

    Chay Bae is a Rheumatologist in Laguna Hills, California. Dr. Bae is rated as an Experienced provider by MediFind in the treatment of Rheumatoid Arthritis (RA). His top areas of expertise are Raynaud Phenomenon, Fibromyalgia, Rheumatoid Arthritis (RA), and Calcium Pyrophosphate Arthritis.

    Experienced in Rheumatoid Arthritis (RA)

    Dr. Christine H. Park
    Rheumatology
    Experienced in Rheumatoid Arthritis (RA)

    Dr. Christine H. Park
    Rheumatology
    31862 Coast Highway, Suite 305, 
    Laguna Beach, CA 
     (6.9 miles away)
    949-499-1339
    Languages Spoken:
    English
    See accepted insurances
    Accepting New Patients
    Offers Telehealth

    Christine Park is a Rheumatologist in Laguna Beach, California. Dr. Park is rated as an Experienced provider by MediFind in the treatment of Rheumatoid Arthritis (RA). Her top areas of expertise are Polymyalgia Rheumatica, Rhizomelic Pseudopolyarthritis, Hypocomplementemic Urticarial Vasculitis, and Necrotizing Vasculitis. Dr. Park is currently accepting new patients.

    Advanced in Rheumatoid Arthritis (RA)

    Dr. Farah Mahmood
    Rheumatology
    Advanced in Rheumatoid Arthritis (RA)

    Dr. Farah Mahmood
    Rheumatology

    Prohealth Partners A Medical Group Inc

    26700 Towne Centre Dr, 
    Foothill Ranch, CA 
     (5.4 miles away)
    949-519-0020
    Experience:
    27+ years
    Languages Spoken:
    English
    See accepted insurances
    Offers Telehealth

    Farah Mahmood is a Rheumatologist in Foothill Ranch, California. Dr. Mahmood has been practicing medicine for over 27 years and is rated as an Advanced provider by MediFind in the treatment of Rheumatoid Arthritis (RA). Her top areas of expertise are Rheumatoid Arthritis (RA), Rhizomelic Pseudopolyarthritis, Polymyalgia Rheumatica, and Arthritis.

    Advanced in Rheumatoid Arthritis (RA)

    Dr. Anny Wu
    Rheumatology
    Advanced in Rheumatoid Arthritis (RA)

    Dr. Anny Wu
    Rheumatology

    Herbert H. Lee MD M.P.H. Inc.

    4870 Barranca Pkwy Ste 300, 
    Irvine, CA 
     (9.9 miles away)
    714-477-8039
    Languages Spoken:
    English
    See accepted insurances
    Offers Telehealth

    Anny Wu is a Rheumatologist in Irvine, California. Dr. Wu is rated as an Advanced provider by MediFind in the treatment of Rheumatoid Arthritis (RA). Her top areas of expertise are Rheumatoid Arthritis (RA), IgG4-Related Disease, MAGIC Syndrome, and Light Chain Deposition Disease (LCDD).

    Distinguished in Rheumatoid Arthritis (RA)

    Dr. Robin Dore
    Rheumatology
    Distinguished in Rheumatoid Arthritis (RA)

    Dr. Robin Dore
    Rheumatology

    Consortio Healthcare Inc

    12791 Newport Ave Ste 201, 
    Tustin, CA 
     (13.2 miles away)
    714-505-5500
    Languages Spoken:
    English
    See accepted insurances
    Offers Telehealth

    Robin Dore is a Rheumatologist in Tustin, California. Dr. Dore is rated as a Distinguished provider by MediFind in the treatment of Rheumatoid Arthritis (RA). Her top areas of expertise are Postmenopausal Osteoporosis, Rheumatoid Arthritis (RA), Osteoporosis, and Juvenile Primary Osteoporosis.

    Distinguished in Rheumatoid Arthritis (RA)

    Dr. Roger Kornu
    Rheumatology
    Distinguished in Rheumatoid Arthritis (RA)

    Dr. Roger Kornu
    Rheumatology

    Roger Kornu MD PC

    2552 Walnut Ave Ste 200, 
    Tustin, CA 
     (13.2 miles away)
    714-406-4461
    Languages Spoken:
    English
    See accepted insurances
    Offers Telehealth

    Roger Kornu is a Rheumatologist in Tustin, California. Dr. Kornu is rated as a Distinguished provider by MediFind in the treatment of Rheumatoid Arthritis (RA). His top areas of expertise are Rheumatoid Arthritis (RA), Psoriatic Arthritis, Rhizomelic Pseudopolyarthritis, and Polymyalgia Rheumatica.

    Experienced in Rheumatoid Arthritis (RA)

    Dr. Robert Freed
    Rheumatology
    Experienced in Rheumatoid Arthritis (RA)

    Dr. Robert Freed
    Rheumatology

    Michael J. Marcus DPM A Professional Corporation

    16300 Sand Canyon Ave Ste 708, 
    Irvine, CA 
     (6.4 miles away)
    949-753-1666
    Languages Spoken:
    English
    See accepted insurances

    Robert Freed is a Rheumatologist in Irvine, California. Dr. Freed is rated as an Experienced provider by MediFind in the treatment of Rheumatoid Arthritis (RA). His top areas of expertise are Postmenopausal Osteoporosis, Osteoporosis, Rheumatoid Arthritis (RA), and Juvenile Primary Osteoporosis.

    Experienced in Rheumatoid Arthritis (RA)

    Dr. Stanley Naides
    Rheumatology
    Experienced in Rheumatoid Arthritis (RA)

    Dr. Stanley Naides
    Rheumatology

    Office

    33608 Ortega Hwy, 
    San Juan Capistrano, CA 
     (6.9 miles away)
    949-728-4578
    Languages Spoken:
    English

    Stanley Naides is a Rheumatologist in San Juan Capistrano, California. Dr. Naides is rated as an Experienced provider by MediFind in the treatment of Rheumatoid Arthritis (RA). His top areas of expertise are Arthritis, Rheumatoid Arthritis (RA), Juvenile Idiopathic Arthritis (JIA), and Secondary Immunodeficiency (SID).

    Experienced in Rheumatoid Arthritis (RA)

    Dr. Bryon W. Tseng
    Rheumatology
    Experienced in Rheumatoid Arthritis (RA)

    Dr. Bryon W. Tseng
    Rheumatology

    Barranca Medical Offices

    Irvine, CA 
     (9.9 miles away)
    833-574-2273
    Languages Spoken:
    English
    See accepted insurances
    Accepting New Patients

    Bryon Tseng is a Rheumatologist in Irvine, California. Dr. Tseng is rated as an Experienced provider by MediFind in the treatment of Rheumatoid Arthritis (RA). His top areas of expertise are Rheumatoid Arthritis (RA), Fibromyalgia, Lupus Nephritis, and Goodpasture Syndrome. Dr. Tseng is currently accepting new patients.

    Experienced in Rheumatoid Arthritis (RA)

    Dr. Andrew H. Nguyen
    Rheumatology
    Experienced in Rheumatoid Arthritis (RA)

    Dr. Andrew H. Nguyen
    Rheumatology

    Barranca Medical Offices

    Irvine, CA 
     (9.9 miles away)
    833-574-2273
    Languages Spoken:
    English
    See accepted insurances

    Andrew Nguyen is a Rheumatologist in Irvine, California. Dr. Nguyen is rated as an Experienced provider by MediFind in the treatment of Rheumatoid Arthritis (RA). His top areas of expertise are Juvenile Idiopathic Arthritis (JIA), Scleroderma, Systemic Sclerosis (SSc), and Scleroma.

    Showing 1-20 of 28

    Last Updated: 04/28/2026

    What is the definition of Rheumatoid Arthritis (RA)?

    Rheumatoid arthritis (RA) is a chronic autoimmune inflammatory disease that mainly affects the lining of joints of the hands, wrists, and knees, eventually causing chronic pain and swelling, decreased movement, with the erosion of bones and the development of joint deformities.  Rheumatoid arthritis is the most common type of autoimmune arthritis, most often affecting women (75%) who are between 20 and 50 years of age. The disease can also affect other parts of the body, such as the blood vessels, skin, eyes, lungs, and heart.   There are two main types of rheumatoid arthritis: 1) seropositive rheumatoid arthritis, and 2) seronegative rheumatoid arthritis. While both types of rheumatoid arthritis have the same symptoms, the seropositivity or negativity of the disease refers to the presence of anti-CPP antibodies in the blood, for which their presence means that the immune system is attacking normal cells. Most rheumatoid arthritis is seropositive.

    When should I see a Rheumatoid Arthritis (RA) doctor near Mission Viejo, 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 Rheumatoid Arthritis (RA) doctor near Mission Viejo, 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 Rheumatoid Arthritis (RA) doctor near Mission Viejo, CA?

    You can find a Rheumatoid Arthritis (RA) doctor in any of the 10 largest U.S. cities by clicking below:

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    How does MediFind rank Rheumatoid Arthritis (RA) doctors near Mission Viejo, 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 Rheumatoid Arthritis (RA) doctors near Mission Viejo, 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 Rheumatoid Arthritis (RA) doctor near Mission Viejo, 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 Rheumatoid Arthritis (RA) doctor search results page. 

    Why is it important to get a second opinion from a different Rheumatoid Arthritis (RA) 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 Rheumatoid Arthritis (RA) doctor near Mission Viejo, 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 Rheumatoid Arthritis (RA) 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 Rheumatoid Arthritis (RA) 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 Rheumatoid Arthritis (RA) doctors near Mission Viejo, CA?

    Look for the filter feature on the left side of the Rheumatoid Arthritis (RA) 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 Rheumatoid Arthritis (RA) doctor that offers video calls?

    Look for the filter feature on the left-side of the Rheumatoid Arthritis (RA) 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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