The 20 Best Mast Cell Activation Syndrome (MCAS) Doctors Near Me in Seattle, WA

Find the Top Mast Cell Activation Syndrome (MCAS) Experts and Specialists

Last Updated: 06/30/2026

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MediFind found 58 doctor with experience in Mast Cell Activation Syndrome (MCAS) near Seattle, WA. Of these, 50 are Experienced, 6 are Advanced and 1 are Distinguished.

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58 providers found
    Distinguished in Mast Cell Activation Syndrome (MCAS)
    Sleep Medicine
    Distinguished in Mast Cell Activation Syndrome (MCAS)
    Sleep Medicine
    Referral may be required

    PeaceHealth St. John Medical Center

    1615 Delaware St, 
    Longview, WA 
    Languages Spoken:
    English

    Teresa Green is a Sleep Medicine provider practicing medicine in Longview, Washington. Dr. Green is rated as a Distinguished provider by MediFind in the treatment of Mast Cell Activation Syndrome (MCAS). She is also highly rated in 6 other conditions, according to our data. Her clinical expertise encompasses Mast Cell Activation Syndrome (MCAS), Obstructive Sleep Apnea, Drowsiness, and Excessive Daytime Sleepiness.

    Advanced in Mast Cell Activation Syndrome (MCAS)
    Holistic Medicine
    Advanced in Mast Cell Activation Syndrome (MCAS)
    Holistic Medicine
    Referral may be required
    104 W 8th Ave # 6080, 
    Spokane, WA 
    Languages Spoken:
    English, Korean
    Accepting New Patients
    Offers Telehealth

    Christopher Valley is a Holistic Medicine provider practicing medicine in Spokane, Washington. Mr. Valley is rated as an Advanced provider by MediFind in the treatment of Mast Cell Activation Syndrome (MCAS). He is also highly rated in 1 other condition, according to our data. His clinical expertise encompasses Mast Cell Activation Syndrome (MCAS), Muscle Spasms, Non-Radiographic Axial Spondyloarthritis (nr-axSpA), and Undifferentiated Connective Tissue Disease (UCTD). Mr. Valley is currently accepting new patients.

    Advanced in Mast Cell Activation Syndrome (MCAS)
    Internal Medicine
    Advanced in Mast Cell Activation Syndrome (MCAS)
    Internal Medicine

    Gme Office University Of Washington

    1959 NE Pacific St, 
    Seattle, WA 
    Experience:
    10+ years
    Languages Spoken:
    English
    Offers Telehealth

    Dilawar Khokhar is an Internal Medicine provider practicing medicine in Seattle, Washington. He has been practicing medicine for over 10 years. Dr. Khokhar is rated as an Advanced provider by MediFind in the treatment of Mast Cell Activation Syndrome (MCAS). He is also highly rated in 1 other condition, according to our data. His clinical expertise encompasses Mast Cell Activation Syndrome (MCAS), Hives, Anaphylaxis, and Chronic Spontaneous Urticaria (CSU).

    Learn about our expert tiers
    Advanced in Mast Cell Activation Syndrome (MCAS)
    Pediatric Allergy and Immunology
    Advanced in Mast Cell Activation Syndrome (MCAS)
    Pediatric Allergy and Immunology
    Referral may be required
    508 West 6th Avenue, Suite 303, 
    Spokane, WA 
    Languages Spoken:
    English
    Offers Telehealth

    Kerry Drain is a Pediatric Allergy and Immunologist practicing medicine in Spokane, Washington. Dr. Drain is rated as an Advanced provider by MediFind in the treatment of Mast Cell Activation Syndrome (MCAS). She is also highly rated in 6 other conditions, according to our data. Her clinical expertise encompasses Allergic Rhinitis, Sinusitis, Grass Allergy, and Mast Cell Activation Syndrome (MCAS).

    Experienced in Mast Cell Activation Syndrome (MCAS)
    Allergy and Immunology
    Experienced in Mast Cell Activation Syndrome (MCAS)
    Allergy and Immunology
    Referral required

    The Doctors Clinic: Cavalon Place

    2011 Northwest Myhre Road, 
    Silverdale, WA 
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Vivek Agarwal is an Allergy and Immunologist practicing medicine in Silverdale, Washington. Dr. Agarwal is rated as an Experienced provider by MediFind in the treatment of Mast Cell Activation Syndrome (MCAS). He is also highly rated in 4 other conditions, according to our data. His clinical expertise encompasses Giant Papillary Conjunctivitis, Allergic Rhinitis, Hives, and Sinusitis. Dr. Agarwal is board certified in American Board Of Allergy & Immunology. Dr. Agarwal is currently accepting new patients.

    Experienced in Mast Cell Activation Syndrome (MCAS)
    Experienced in Mast Cell Activation Syndrome (MCAS)
    Referral may be required

    Virginia Mason Medical Center

    1100 Ninth Avenue, 
    Seattle, WA 
    Experience:
    10+ years
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Natalie Moriarty, MD, is a board-certified dermatologist who specializes in the detection and treatment of skin cancer, eczema, psoriasis, infections of the skin, pediatric dermatology, and preventive and restorative cosmetic treatments.Dr. Moriarty is a member of the American Academy of Dermatology and Seattle Dermatologic Society.Away from work, Dr. Moriarty enjoys hiking, reading and spending time with her family. Dr. Moriarty is rated as an Experienced provider by MediFind in the treatment of Mast Cell Activation Syndrome (MCAS). She is also highly rated in 6 other conditions, according to our data. Her clinical expertise encompasses Urticaria Pigmentosa, Melanoma, Sunburn, and Actinic Keratosis. Dr. Moriarty is currently accepting new patients.

    Experienced in Mast Cell Activation Syndrome (MCAS)
    Pediatric Otolaryngology | Otolaryngology
    Experienced in Mast Cell Activation Syndrome (MCAS)
    Pediatric Otolaryngology | Otolaryngology
    Referral may be required

    Proliance Surgeons

    1231 116th Ave NE #915, 
    Bellevue, WA 
    Languages Spoken:
    English
    Offers Telehealth

    Adrienne Laury is a Pediatric Otolaryngologist and an Otolaryngologist practicing medicine in Bellevue, Washington. Dr. Laury is rated as an Experienced provider by MediFind in the treatment of Mast Cell Activation Syndrome (MCAS). She is also highly rated in 20 other conditions, according to our data. Her clinical expertise encompasses Chronic Rhinosinusitis with Nasal Polyps (CRSwNP), Sinusitis, Nasal Polyps, and Empyema. Dr. Laury is board certified in American Board Of Otolaryngology and American Academy Of Otolaryngic Allergy.

    Advanced in Mast Cell Activation Syndrome (MCAS)
    Advanced in Mast Cell Activation Syndrome (MCAS)
    Referral may be required

    Bellingham Asthma Allergy Immunology Clinic PS.

    3015 Squalicum Pkwy Ste 180, 
    Bellingham, WA 
    Experience:
    44+ years
    Languages Spoken:
    English
    Offers Telehealth

    David Elkayam is a Pediatrics provider practicing medicine in Bellingham, Washington. He has been practicing medicine for over 44 years. Dr. Elkayam is rated as an Advanced provider by MediFind in the treatment of Mast Cell Activation Syndrome (MCAS). He is also highly rated in 23 other conditions, according to our data. His clinical expertise encompasses Primary Immunodeficiency (PID), Sinusitis, Common Variable Immune Deficiency, and Allergic Rhinitis.

    Experienced in Mast Cell Activation Syndrome (MCAS)
    Pediatric Allergy and Immunology
    Experienced in Mast Cell Activation Syndrome (MCAS)
    Pediatric Allergy and Immunology
    Referral may be required
    508 West 6th Avenue, Suite 303, 
    Spokane, WA 
    Languages Spoken:
    English
    Offers Telehealth

    Steven Kernerman is a Pediatric Allergy and Immunologist practicing medicine in Spokane, Washington. Dr. Kernerman is rated as an Experienced provider by MediFind in the treatment of Mast Cell Activation Syndrome (MCAS). He is also highly rated in 7 other conditions, according to our data. His clinical expertise encompasses Allergic Rhinitis, Sinusitis, Grass Allergy, and Hives.

    Experienced in Mast Cell Activation Syndrome (MCAS)
    Experienced in Mast Cell Activation Syndrome (MCAS)
    Referral may be required

    Seattle Children's Hospital

    4800 Sand Point Way NE, 
    Seattle, WA 
    Languages Spoken:
    English
    Offers Telehealth

    Heather Brandling is a Pediatrics provider practicing medicine in Seattle, Washington. Dr. Brandling is rated as an Experienced provider by MediFind in the treatment of Mast Cell Activation Syndrome (MCAS). She is also highly rated in 6 other conditions, according to our data. Her clinical expertise encompasses Discoid Lupus Erythematosus (DLE), Localized Scleroderma, Cutaneous Lupus Erythematosus (CLE), and Urticaria Pigmentosa.

    Experienced in Mast Cell Activation Syndrome (MCAS)
    Rheumatology
    Experienced in Mast Cell Activation Syndrome (MCAS)
    Rheumatology
    Referral may be required

    Western Washington Medical Group Inc PS

    1909 214th St SE Ste 211, 
    Bothell, WA 
    Languages Spoken:
    English
    Offers Telehealth

    Richard Jimenez is a Rheumatologist practicing medicine in Bothell, Washington. Dr. Jimenez is rated as an Experienced provider by MediFind in the treatment of Mast Cell Activation Syndrome (MCAS). He is also highly rated in 9 other conditions, according to our data. His clinical expertise encompasses Rheumatoid Vasculitis, Rheumatoid Lung Disease, Rheumatoid Pneumoconiosis, and Ankylosing Spondylitis.

    Experienced in Mast Cell Activation Syndrome (MCAS)
    Rheumatology
    Experienced in Mast Cell Activation Syndrome (MCAS)
    Rheumatology
    Referral may be required
    105 West 8th Avenue, Suite 6080W, 
    Spokane, WA 
    Languages Spoken:
    English
    Offers Telehealth

    Sean Lasalle is a Rheumatologist practicing medicine in Spokane, Washington. Dr. Lasalle is rated as an Experienced provider by MediFind in the treatment of Mast Cell Activation Syndrome (MCAS). He is also highly rated in 36 other conditions, according to our data. His clinical expertise encompasses Psoriatic Arthritis, Rheumatoid Arthritis (RA), Psoriasis, and Sjogren Syndrome.

    Experienced in Mast Cell Activation Syndrome (MCAS)
    Allergy and Immunology
    Experienced in Mast Cell Activation Syndrome (MCAS)
    Allergy and Immunology
    Referral may be required

    Optum – Smokey Point

    2901 174th St NE, 
    Marysville, WA 
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Patrick Staso is an Allergy and Immunologist practicing medicine in Marysville, Washington. Dr. Staso is rated as an Experienced provider by MediFind in the treatment of Mast Cell Activation Syndrome (MCAS). His clinical expertise encompasses Ozena, Nonallergic Rhinopathy, Hives, and Anaphylaxis. Dr. Staso is board certified in American Board Of Internal Medicine, American Board Of Pediatrics. Dr. Staso is currently accepting new patients.

    Experienced in Mast Cell Activation Syndrome (MCAS)
    Hematology Oncology
    Experienced in Mast Cell Activation Syndrome (MCAS)
    Hematology Oncology
    Referral may be required
    605 East Holland Avenue, 
    Spokane, WA 
    Experience:
    10+ years
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Brenen Swofford is a Hematologist Oncology provider practicing medicine in Spokane, Washington. He has been practicing medicine for over 10 years. Dr. Swofford is rated as an Experienced provider by MediFind in the treatment of Mast Cell Activation Syndrome (MCAS). He is also highly rated in 7 other conditions, according to our data. His clinical expertise encompasses Melanoma, Dehydration, Endometrial Stromal Sarcoma, and Endometrial Cancer. Dr. Swofford is currently accepting new patients.

    Experienced in Mast Cell Activation Syndrome (MCAS)
    Allergy and Immunology
    Experienced in Mast Cell Activation Syndrome (MCAS)
    Allergy and Immunology
    Referral may be required
    3901 Creekside Loop, Suite 100, 
    Yakima, WA 
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Trever Burnett is an Allergy and Immunologist practicing medicine in Yakima, Washington. Dr. Burnett is rated as an Experienced provider by MediFind in the treatment of Mast Cell Activation Syndrome (MCAS). He is also highly rated in 5 other conditions, according to our data. His clinical expertise encompasses Nonallergic Rhinopathy, Ozena, Sinusitis, and Allergic Rhinitis. Dr. Burnett is currently accepting new patients.

    Advanced in Mast Cell Activation Syndrome (MCAS)
    Rheumatology
    Advanced in Mast Cell Activation Syndrome (MCAS)
    Rheumatology
    Referral may be required

    Arthritis Northwest PLLC

    105 W 8th Ave Ste 6080, 
    Spokane, WA 
    Languages Spoken:
    English
    Offers Telehealth

    Eric Mueller is a Rheumatologist practicing medicine in Spokane, Washington. Dr. Mueller is rated as an Advanced provider by MediFind in the treatment of Mast Cell Activation Syndrome (MCAS). He is also highly rated in 38 other conditions, according to our data. His clinical expertise encompasses Axial Spondyloarthritis (AxSpA), Rheumatoid Arthritis (RA), Ankylosing Spondylitis, and Psoriatic Arthritis.

    Advanced in Mast Cell Activation Syndrome (MCAS)
    Allergy and Immunology
    Advanced in Mast Cell Activation Syndrome (MCAS)
    Allergy and Immunology
    Referral may be required

    Gme Office University Of Washington

    1959 NE Pacific St, 
    Seattle, WA 
    Languages Spoken:
    English
    Offers Telehealth

    Andrew Ayars is an Allergy and Immunologist practicing medicine in Seattle, Washington. Dr. Ayars is rated as an Advanced provider by MediFind in the treatment of Mast Cell Activation Syndrome (MCAS). He is also highly rated in 23 other conditions, according to our data. His clinical expertise encompasses Chronic Spontaneous Urticaria (CSU), Hives, Common Variable Immune Deficiency, and Vibratory Urticaria.

    Experienced in Mast Cell Activation Syndrome (MCAS)
    Allergy and Immunology
    Experienced in Mast Cell Activation Syndrome (MCAS)
    Allergy and Immunology
    Referral may be required

    Inland Allergy & Asthma Associates PS.

    1330 N Washington St Ste 4200, 
    Spokane, WA 
    Languages Spoken:
    English
    Offers Telehealth

    Rayna Traen is an Allergy and Immunologist practicing medicine in Spokane, Washington. Dr. Traen is rated as an Experienced provider by MediFind in the treatment of Mast Cell Activation Syndrome (MCAS). She is also highly rated in 8 other conditions, according to our data. Her clinical expertise encompasses Allergic Rhinitis, Sinusitis, Grass Allergy, Hives, and Splenectomy. Dr. Traen is board certified in American Board Of Pediatric And Adult Allergy And Immunology and American Board Of Internal Medicine.

    Experienced in Mast Cell Activation Syndrome (MCAS)
    Allergy and Immunology
    Experienced in Mast Cell Activation Syndrome (MCAS)
    Allergy and Immunology
    Referral may be required

    Olympia Allergy And Immunology

    2320 130th Ave NE Ste 220, 
    Bellevue, WA 
    Languages Spoken:
    English
    Offers Telehealth

    Jon Welch is an Allergy and Immunologist practicing medicine in Bellevue, Washington. Dr. Welch is rated as an Experienced provider by MediFind in the treatment of Mast Cell Activation Syndrome (MCAS). He is also highly rated in 4 other conditions, according to our data. His clinical expertise encompasses Allergic Rhinitis, Sinusitis, Grass Allergy, and Hives.

    Experienced in Mast Cell Activation Syndrome (MCAS)
    Gastroenterology
    Experienced in Mast Cell Activation Syndrome (MCAS)
    Gastroenterology
    Referral required

    Puget Sound Gastroenterology At Edmonds

    21600 Highway 99, Suite 260, 
    Edmonds, WA 
    Languages Spoken:
    English
    Offers Telehealth

    Jason Schneier is a provider with privileges at a Swedish Medical Center. Dr. Schneier is rated as an Experienced provider by MediFind in the treatment of Mast Cell Activation Syndrome (MCAS). He is also highly rated in 17 other conditions, according to our data. His clinical expertise encompasses Ulcerative Colitis, Irritable Bowel Syndrome (IBS), Swallowing Difficulty, Painful Swallowing, and Endoscopy. Dr. Schneier is board certified in American Board Of Internal Medicine.

    Showing 1-20 of 58

    Last Updated: 06/30/2026

    What is the definition of Mast Cell Activation Syndrome (MCAS)?

    Mast cell activation syndrome (MCAS) causes a person to have repeated severe allergy symptoms affecting several body systems. In MCAS, mast cells mistakenly release too many chemical agents, resulting in symptoms in the skin, gastrointestinal tract, heart, respiratory, and neurologic systems. Mast cells are present throughout most of our bodies and secrete different chemicals during allergic reactions. Symptoms include episodes of abdominal pain, cramping, diarrhea, flushing, itching, wheezing, coughing, lightheadedness and rapid pulse and low blood pressure. Symptoms can start at any age, but usually begin in adulthood. The cause of MCAS is unknown. Diagnosis is based on the symptoms, clinical exam, and specific laboratory testing. Other conditions may need to be excluded before MCAS can be diagnosed.

    When should I see a Mast Cell Activation Syndrome (MCAS) doctor near Seattle, WA?

    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 Mast Cell Activation Syndrome (MCAS) doctor near Seattle, WA?

    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 Mast Cell Activation Syndrome (MCAS) doctors near Seattle, WA?

    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 Mast Cell Activation Syndrome (MCAS) doctors near Seattle, WA?

    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 Mast Cell Activation Syndrome (MCAS) doctor near Seattle, WA?

    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 Mast Cell Activation Syndrome (MCAS) doctor search results page. 

    Why is it important to get a second opinion from a different Mast Cell Activation Syndrome (MCAS) 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 Mast Cell Activation Syndrome (MCAS) doctor near Seattle, WA?

    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 Mast Cell Activation Syndrome (MCAS) 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 Mast Cell Activation Syndrome (MCAS) 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 Mast Cell Activation Syndrome (MCAS) doctors near Seattle, WA?

    Look for the filter feature on the left side of the Mast Cell Activation Syndrome (MCAS) 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 Mast Cell Activation Syndrome (MCAS) doctor that offers video calls?

    Look for the filter feature on the left-side of the Mast Cell Activation Syndrome (MCAS) 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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