The 20 Best Mast Cell Activation Syndrome (MCAS) Doctors Near Me in Washington, US

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

The 20 Best Mast Cell Activation Syndrome (MCAS) Doctors in Washington, US

Last Updated: 02/22/2026

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MediFind found 59 doctor with experience in Mast Cell Activation Syndrome (MCAS) near Washington, US. Of these, 51 are Experienced, 6 are Advanced and 1 are Distinguished.

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59 providers found
    Distinguished in Mast Cell Activation Syndrome (MCAS)
    Sleep Medicine
    Distinguished in Mast Cell Activation Syndrome (MCAS)
    Sleep Medicine
    1615 Delaware St, 
    Longview, WA 
    Languages Spoken:
    English

    Teresa Green is a Sleep Medicine provider in Longview, Washington. Dr. Green is rated as a Distinguished provider by MediFind in the treatment of Mast Cell Activation Syndrome (MCAS). Her top areas of expertise are Mast Cell Activation Syndrome (MCAS), Obstructive Sleep Apnea, Drowsiness, and Excessive Daytime Sleepiness.

    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 in Seattle, Washington. Dr. Khokhar has been practicing medicine for over 10 years and is rated as an Advanced provider by MediFind in the treatment of Mast Cell Activation Syndrome (MCAS). His top areas of expertise are Mast Cell Activation Syndrome (MCAS), Hives, Anaphylaxis, and Chronic Spontaneous Urticaria (CSU).

    Natalie H. Moriarty
    Experienced in Mast Cell Activation Syndrome (MCAS)
    Experienced in Mast Cell Activation Syndrome (MCAS)

    Virginia Mason Medical Center

    1100 Ninth Avenue, 
    Seattle, WA 
    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). Her top areas of expertise are Urticaria Pigmentosa, Melanoma, Sunburn, and Actinic Keratosis.

    Learn about our expert tiers
    Adrienne Laury
    Experienced in Mast Cell Activation Syndrome (MCAS)
    Pediatric Otolaryngology | Otolaryngology
    Experienced in Mast Cell Activation Syndrome (MCAS)
    Pediatric Otolaryngology | Otolaryngology

    Proliance Surgeons

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

    Adrienne Laury, MD, is a board-certified otolaryngologist who manages a wide range of adult and pediatric disorders of the ear, nose and throat. She is also a fellow of the American Academy of Otolaryngic Allergy and treats patients with environmental and food allergies. Dr. Laury has a particular interest and significant research experience in the medical and surgical management of sleep disorders, sinonasal diseases, as well as sinus/barometric pressure headaches.Dr. Laury originally grew up in Allentown, Pennsylvania. She attended Villanova University where she graduated summa cum laude. She received her medical degree from the University of Pennsylvania Perelman School of Medicine and then completed her residency training at Emory University in Atlanta, Georgia. Dr. Laury then served as an Otolaryngologist in the United States Air Force for four years. While stationed in San Antonio, Texas, Maj. Laury was an Assistant Professor of Otolaryngology and instructed numerous residents and medical students. She also served a tour in Afghanistan where she managed facial trauma injuries for deployed American troops.Dr. Laury has received numerous distinctions in teaching and brings that excellence in education to her patients. She is also a nationally recognized lecturer on allergy and sinus headache. Additionally, her extensive research endeavors have enabled her to utilize the most current techniques to care for her patients.Dr. Laury is married and has two young boys and a baby girl. Her husband, originally from Germany, works in software development for Amazon. Dr. Laury enjoys cooking, cycling, traveling, and her guilty pleasure - reality TV. Dr. Laury is rated as an Experienced provider by MediFind in the treatment of Mast Cell Activation Syndrome (MCAS). Her top areas of expertise are Chronic Rhinosinusitis with Nasal Polyps (CRSwNP), Sinusitis, Nasal Polyps, and Empyema.

    David Elkayam
    Advanced in Mast Cell Activation Syndrome (MCAS)
    Advanced in Mast Cell Activation Syndrome (MCAS)

    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 in Bellingham, Washington. Dr. Elkayam has been practicing medicine for over 44 years and is rated as an Advanced provider by MediFind in the treatment of Mast Cell Activation Syndrome (MCAS). His top areas of expertise are Primary Immunodeficiency (PID), Sinusitis, Common Variable Immune Deficiency, and Allergic Rhinitis.

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

    Optum – Smokey Point

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

    Patrick Staso is an Allergy and Immunologist in Marysville, Washington. Dr. Staso is rated as an Experienced provider by MediFind in the treatment of Mast Cell Activation Syndrome (MCAS). His top areas of expertise are Nonallergic Rhinopathy, Ozena, Hives, and Anaphylaxis. Dr. Staso is currently accepting new patients.

    Advanced in Mast Cell Activation Syndrome (MCAS)
    Rheumatology
    Advanced in Mast Cell Activation Syndrome (MCAS)
    Rheumatology

    Arthritis Northwest PLLC

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

    Eric Mueller is a Rheumatologist in Spokane, Washington. Dr. Mueller is rated as an Advanced provider by MediFind in the treatment of Mast Cell Activation Syndrome (MCAS). His top areas of expertise are Axial Spondyloarthritis (AxSpA), Rheumatoid Arthritis (RA), Ankylosing Spondylitis, and Psoriatic Arthritis.

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

    Christopher Valley is a Holistic Medicine provider in Spokane, Washington. Mr. Valley is rated as an Advanced provider by MediFind in the treatment of Mast Cell Activation Syndrome (MCAS). His top areas of expertise are 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)
    Allergy and Immunology
    Advanced in Mast Cell Activation Syndrome (MCAS)
    Allergy and Immunology

    Gme Office University Of Washington

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

    Andrew Ayars is an Allergy and Immunologist in Seattle, Washington. Dr. Ayars is rated as an Advanced provider by MediFind in the treatment of Mast Cell Activation Syndrome (MCAS). His top areas of expertise are Chronic Spontaneous Urticaria (CSU), Hives, Common Variable Immune Deficiency, and Vibratory Urticaria.

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

    Kerry Drain is a Pediatric Allergy and Immunologist in Spokane, Washington. Dr. Drain is rated as an Advanced provider by MediFind in the treatment of Mast Cell Activation Syndrome (MCAS). Her top areas of expertise are Allergic Rhinitis, Sinusitis, Grass Allergy, and Mast Cell Activation Syndrome (MCAS).

    Rayna Traen
    Experienced in Mast Cell Activation Syndrome (MCAS)
    Allergy and Immunology
    Experienced in Mast Cell Activation Syndrome (MCAS)
    Allergy and Immunology

    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 in Spokane, Washington. Dr. Traen is rated as an Experienced provider by MediFind in the treatment of Mast Cell Activation Syndrome (MCAS). Her top areas of expertise are Allergic Rhinitis, Sinusitis, Grass Allergy, Hives, and Splenectomy.

    Jon Welch
    Experienced in Mast Cell Activation Syndrome (MCAS)
    Allergy and Immunology
    Experienced in Mast Cell Activation Syndrome (MCAS)
    Allergy and Immunology

    Olympia Allergy And Immunology

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

    Jon Welch is an Allergy and Immunologist in Bellevue, Washington. Dr. Welch is rated as an Experienced provider by MediFind in the treatment of Mast Cell Activation Syndrome (MCAS). His top areas of expertise are Allergic Rhinitis, Sinusitis, Grass Allergy, and Hives.

    Vivek Agarwal
    Experienced in Mast Cell Activation Syndrome (MCAS)
    Allergy and Immunology
    Experienced in Mast Cell Activation Syndrome (MCAS)
    Allergy and Immunology

    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 in Silverdale, Washington. Dr. Agarwal is rated as an Experienced provider by MediFind in the treatment of Mast Cell Activation Syndrome (MCAS). His top areas of expertise are Giant Papillary Conjunctivitis, Allergic Rhinitis, Hives, and Sinusitis. Dr. Agarwal is currently accepting new patients.

    Jason I. Schneier
    Experienced in Mast Cell Activation Syndrome (MCAS)
    Gastroenterology
    Experienced in Mast Cell Activation Syndrome (MCAS)
    Gastroenterology
    21600 Highway 99, Suite 260, 
    Edmonds, WA 
    Languages Spoken:
    English
    Accepting New Patients
    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). His top areas of expertise are Ulcerative Colitis, Irritable Bowel Syndrome (IBS), Swallowing Difficulty, Painful Swallowing, and Endoscopy.

    Stephen Tilles
    Experienced in Mast Cell Activation Syndrome (MCAS)
    Allergy and Immunology
    Experienced in Mast Cell Activation Syndrome (MCAS)
    Allergy and Immunology

    Redmond Pediatrics

    8301 161st Ave NE, 
    Redmond, WA 
    Languages Spoken:
    English
    Offers Telehealth

    Stephen Tilles is an Allergy and Immunologist in Redmond, Washington. Dr. Tilles is rated as an Experienced provider by MediFind in the treatment of Mast Cell Activation Syndrome (MCAS). His top areas of expertise are Asthma, Hives, Anaphylaxis, and Angioedema.

    Darik K. Taniguchi
    Experienced in Mast Cell Activation Syndrome (MCAS)
    Gastroenterology
    Experienced in Mast Cell Activation Syndrome (MCAS)
    Gastroenterology
    11027 Meridian Avenue North, 
    Seattle, WA 
    Languages Spoken:
    English
    Offers Telehealth

    Darik Taniguchi is a provider with privileges at a Swedish Medical Center. Dr. Taniguchi is rated as an Experienced provider by MediFind in the treatment of Mast Cell Activation Syndrome (MCAS). His top areas of expertise are Childhood Volvulus, Portal Hypertension, Indigestion, Diarrhea, and Endoscopy.

    Dayne Sullivan
    Integrative Medicine | Internal Medicine | Family Medicine
    Integrative Medicine | Internal Medicine | Family Medicine

    AceMed Seattle, PLLC.

    123 2nd Ave S, 230, 
    Edmonds, WA 
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Dayne Sullivan is a Family Medicine provider in Edmonds, Washington. His top areas of expertise are Chronic Fatigue Syndrome, Lyme Disease, Long Haul COVID, and Mononucleosis. Dr. Sullivan is currently accepting new patients.

    Experienced in Mast Cell Activation Syndrome (MCAS)
    Experienced in Mast Cell Activation Syndrome (MCAS)

    Spokane Critical Care Associates PS

    12615 E Mission Ave Ste 200, 
    Spokane Valley, WA 
    Languages Spoken:
    English
    Offers Telehealth

    David Mcgarry is a Pediatrics provider in Spokane Valley, Washington. Dr. Mcgarry is rated as an Experienced provider by MediFind in the treatment of Mast Cell Activation Syndrome (MCAS). His top areas of expertise are Hives, Allergic Rhinitis, Grass Allergy, and Sinusitis.

    Experienced in Mast Cell Activation Syndrome (MCAS)
    Hematology | Oncology
    Experienced in Mast Cell Activation Syndrome (MCAS)
    Hematology | Oncology

    Rachel Loschiavo PA-C

    825 Eastlake Ave E, 
    Seattle, WA 
    Languages Spoken:
    English

    Alexandra Boehm is a Hematologist and an Oncologist in Seattle, Washington. Dr. Boehm is rated as an Experienced provider by MediFind in the treatment of Mast Cell Activation Syndrome (MCAS). Her top areas of expertise are Systemic Mastocytosis, Mast Cell Activation Syndrome (MCAS), Primary Lymphoma of the Brain, Cryoglobulinemia, and Bone Marrow Transplant.

    Experienced in Mast Cell Activation Syndrome (MCAS)
    Infectious Disease
    Experienced in Mast Cell Activation Syndrome (MCAS)
    Infectious Disease

    Uw Medicine/Harborview Medical Center

    325 9th Ave, 
    Seattle, WA 
    Experience:
    17+ years
    Languages Spoken:
    English
    Offers Telehealth

    Matthew Altman is an Infectious Disease provider in Seattle, Washington. Dr. Altman has been practicing medicine for over 17 years and is rated as an Experienced provider by MediFind in the treatment of Mast Cell Activation Syndrome (MCAS). His top areas of expertise are Asthma, Asthma in Children, Eosinophilic Asthma, and Common Variable Immune Deficiency.

    Showing 1-20 of 59

    Last Updated: 02/22/2026

    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 in Washington, US?

    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 in Washington, US?

    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 in Washington, US?

    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 in Washington, US?

    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 in Washington, US?

    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 in Washington, US?

    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 in Washington, US?

    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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