The 20 Best Mast Cell Activation Syndrome (MCAS) Doctors in The United States

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

Last Updated: 09/26/2026

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MediFind found 2176 doctor with experience in Mast Cell Activation Syndrome (MCAS) near The United States. Of these, 1824 are Experienced, 294 are Advanced, 32 are Distinguished and 26 are Elite.

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2,176 providers found
    Elite in Mast Cell Activation Syndrome (MCAS)
    Elite in Mast Cell Activation Syndrome (MCAS)
    Referral may be required

    Dept Of Transfusion Medicine/Nih Clinical Center

    10 Center Dr, 
    Bethesda, MD 
    Languages Spoken:
    English
    Accepting New Patients

    Dean Metcalfe is a Rheumatologist practicing medicine in Bethesda, Maryland. Dr. Metcalfe is rated as an Elite provider by MediFind in the treatment of Mast Cell Activation Syndrome (MCAS). He is also highly rated in 2 other conditions, according to our data. His clinical expertise encompasses Mast Cell Activation Syndrome (MCAS) and Hereditary Alpha-Tryptasemia. Dr. Metcalfe is currently accepting new patients.

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

    Domino's Farms

    24 Frank Lloyd Wright Dr Ste 2100, Lobby H, 
    Ann Arbor, MI 
    Languages Spoken:
    English, Turkish
    Accepting New Patients
    Offers Telehealth

    Cem Akin is a primary care provider, practicing in Internal Medicine in Ann Arbor, Michigan. Dr. Akin is rated as an Elite provider by MediFind in the treatment of Mast Cell Activation Syndrome (MCAS). He is also highly rated in 24 other conditions, according to our data. His clinical expertise encompasses Systemic Mastocytosis, Mast Cell Activation Syndrome (MCAS), Anaphylaxis, Urticaria Pigmentosa, and Tissue Biopsy. Dr. Akin is currently accepting new patients.

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

    Dana-Farber Cancer Institute

    450 Brookline Ave, 
    Boston, MA 
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Daniel Deangelo is an Oncologist practicing medicine in Boston, Massachusetts. Dr. Deangelo is rated as an Elite 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 Acute Myeloid Leukemia (AML), Leukemia, Acute Lymphoblastic Leukemia (ALL), Mast Cell Activation Syndrome (MCAS), and Bone Marrow Aspiration. Dr. Deangelo is currently accepting new patients.

    Learn about our expert tiers
    Elite in Mast Cell Activation Syndrome (MCAS)
    Elite in Mast Cell Activation Syndrome (MCAS)
    Referral may be required

    Molecular Medicine And Neuroscience

    10 Center Dr Bldg 10, 
    Bethesda, MD 
    Languages Spoken:
    English
    Accepting New Patients

    Melody Carter is a Pediatrics provider practicing medicine in Bethesda, Maryland. Dr. Carter is rated as an Elite provider by MediFind in the treatment of Mast Cell Activation Syndrome (MCAS). She is also highly rated in 2 other conditions, according to our data. Her clinical expertise encompasses Mast Cell Activation Syndrome (MCAS), Alpha-gal Syndrome (AGS), and Diarrhea. Dr. Carter is currently accepting new patients.

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

    Stanford University

    875 Blake Wilbur Dr, 
    Palo Alto, CA 
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Jason Gotlib is a Hematologist practicing medicine in Palo Alto, California. Dr. Gotlib is rated as an Elite provider by MediFind in the treatment of Mast Cell Activation Syndrome (MCAS). He is also highly rated in 42 other conditions, according to our data. His clinical expertise encompasses Systemic Mastocytosis, Mast Cell Activation Syndrome (MCAS), Myelofibrosis, Bone Marrow Aspiration, and Tissue Biopsy. Dr. Gotlib is currently accepting new patients.

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

    Pathology - Nielsen Rehabilitation Hospital

    85 N Medical Dr, 
    Salt Lake City, UT 
    Languages Spoken:
    English
    Accepting New Patients

    Tracy George is a Hematologist practicing medicine in Salt Lake City, Utah. Dr. George is rated as an Elite provider by MediFind in the treatment of Mast Cell Activation Syndrome (MCAS). She is also highly rated in 13 other conditions, according to our data. Her clinical expertise encompasses Systemic Mastocytosis, Mast Cell Activation Syndrome (MCAS), Acute Myeloid Leukemia (AML), Hip Resurfacing, and Tissue Biopsy. Dr. George is board certified in American Board Of Pathology. Dr. George is currently accepting new patients.

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

    Integrative Medical Wellness PC

    99 Business Park Dr, 
    Armonk, NY 
    Languages Spoken:
    English

    Lawrence Afrin is a Hematologist practicing medicine in Armonk, New York. Dr. Afrin is rated as an Elite provider by MediFind in the treatment of Mast Cell Activation Syndrome (MCAS). He is also highly rated in 2 other conditions, according to our data. His clinical expertise encompasses Mast Cell Activation Syndrome (MCAS), Systemic Mastocytosis, Myelofibrosis, Anemia, and Bone Marrow Aspiration.

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

    UT MD Anderson Cancer Center

    210 Ashville Ave # 408, 
    Cary, NC 
    Languages Spoken:
    English
    Offers Telehealth

    Prithviraj Bose is a Hematologist practicing medicine in Cary, North Carolina. Dr. Bose is rated as an Elite provider by MediFind in the treatment of Mast Cell Activation Syndrome (MCAS). He is also highly rated in 31 other conditions, according to our data. His clinical expertise encompasses Myelofibrosis, Essential Thrombocythemia, Leukemia, Bone Marrow Aspiration, and Bone Marrow Transplant.

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

    Rush University Medical Center

    1725 W Harrison St Ste 1010, 
    Chicago, IL 
    Languages Spoken:
    English, Turkish
    Accepting New Patients
    Offers Telehealth

    Celalettin Ustun is a Hematologist practicing medicine in Chicago, Illinois. Dr. Ustun is rated as an Elite provider by MediFind in the treatment of Mast Cell Activation Syndrome (MCAS). He is also highly rated in 16 other conditions, according to our data. His clinical expertise encompasses Systemic Mastocytosis, Mast Cell Activation Syndrome (MCAS), Acute Myeloid Leukemia (AML), Bone Marrow Transplant, and Bone Marrow Aspiration. Dr. Ustun is currently accepting new patients.

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

    Brigham & Women's Hospital

    850 Boylston St, 
    Chestnut Hill, MA 
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Matthew Hamilton is a Gastroenterologist practicing medicine in Chestnut Hill, Massachusetts. Dr. Hamilton is rated as an Elite provider by MediFind in the treatment of Mast Cell Activation Syndrome (MCAS). He is also highly rated in 12 other conditions, according to our data. His clinical expertise encompasses Mast Cell Activation Syndrome (MCAS), Ulcerative Colitis, Crohn's Disease, Endoscopy, and Knee Replacement. Dr. Hamilton is currently accepting new patients.

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

    Specialist In Gastroenterology

    11525 Olde Cabin Rd, 
    Saint Louis, MO 
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Leonard Weinstock is a Gastroenterologist practicing medicine in Saint Louis, Missouri. Dr. Weinstock is rated as an Elite provider by MediFind in the treatment of Mast Cell Activation Syndrome (MCAS). He is also highly rated in 37 other conditions, according to our data. His clinical expertise encompasses Mast Cell Activation Syndrome (MCAS), Irritable Bowel Syndrome (IBS), Small Bowel Bacterial Overgrowth, Colonoscopy, and Endoscopy. Dr. Weinstock is currently accepting new patients.

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

    Mayo Clinic-Rochester

    5716 Cleveland St Ste 200, 
    Virginia Beach, VA 
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Animesh Pardanani is a Hematologist practicing medicine in Virginia Beach, Virginia. Dr. Pardanani is rated as an Elite provider by MediFind in the treatment of Mast Cell Activation Syndrome (MCAS). He is also highly rated in 21 other conditions, according to our data. His clinical expertise encompasses Myelofibrosis, Systemic Mastocytosis, Essential Thrombocythemia, Splenectomy, and Bone Marrow Aspiration. Dr. Pardanani is currently accepting new patients.

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

    Hale Building For Transformative Medicine On BWH Main Campus

    60 Fenwood Rd, 
    Boston, MA 
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Matthew Giannetti is a primary care provider, practicing in Internal Medicine in Boston, Massachusetts. Dr. Giannetti is rated as an Elite provider by MediFind in the treatment of Mast Cell Activation Syndrome (MCAS). He is also highly rated in 10 other conditions, according to our data. His clinical expertise encompasses Systemic Mastocytosis, Mast Cell Activation Syndrome (MCAS), Hereditary Alpha-Tryptasemia, and Anaphylaxis. Dr. Giannetti is currently accepting new patients.

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

    Mayo Clinic-Rochester

    5716 Cleveland St Ste 200, 
    Virginia Beach, VA 
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Joseph Butterfield is a primary care provider, practicing in Internal Medicine in Virginia Beach, Virginia. Dr. Butterfield is rated as an Elite 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 Systemic Mastocytosis, Mast Cell Activation Syndrome (MCAS), Hypereosinophilic Syndrome, and Urticaria Pigmentosa. Dr. Butterfield is currently accepting new patients.

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

    Uc San Diego Health-La Jolla

    8899 University Center Ln, 
    San Diego, CA 
    Languages Spoken:
    English
    Offers Telehealth

    Jonathan Lyons is a primary care provider, practicing in Internal Medicine in San Diego, California. Dr. Lyons is rated as an Elite 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 Hereditary Alpha-Tryptasemia, Mast Cell Activation Syndrome (MCAS), Anaphylaxis, and Systemic Mastocytosis.

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

    MN - Cancer Hematology

    200 1st St SW, 
    Rochester, MN 
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Ayalew Tefferi is a Hematologist practicing medicine in Rochester, Minnesota. Dr. Tefferi is rated as an Elite 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 Myelofibrosis, Essential Thrombocythemia, Myeloproliferative Neoplasms (MPN), Splenectomy, and Bone Marrow Transplant. Dr. Tefferi is currently accepting new patients.

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

    Abramson Cancer Center Perelman 4th Floor West

    3400 Civic Center Boulevard, West Pavilion, 4th Floor, 
    Philadelphia, PA 
    Languages Spoken:
    English
    Offers Telehealth

    Elizabeth Hexner is a Hematologist practicing medicine in Philadelphia, Pennsylvania. Dr. Hexner is rated as an Elite provider by MediFind in the treatment of Mast Cell Activation Syndrome (MCAS). She is also highly rated in 27 other conditions, according to our data. Her clinical expertise encompasses Systemic Mastocytosis, Myeloproliferative Neoplasms (MPN), Myelofibrosis, Bone Marrow Transplant, and Bone Marrow Aspiration. Dr. Hexner is board certified in Hematology, 2005.

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

    Office

    7230 Engle Rd Ste 100, 
    Fort Wayne, IN 
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Kevin Witt is a primary care provider, practicing in Family Medicine in Fort Wayne, Indiana. Dr. Witt is rated as an Experienced provider by MediFind in the treatment of Mast Cell Activation Syndrome (MCAS). He is also highly rated in 10 other conditions, according to our data. His clinical expertise encompasses Glucocorticoid-Remediable Aldosteronism, Hypertension, Familial Hypertension, and Premature Ovarian Failure. Dr. Witt is currently accepting new patients.

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

    Office

    1112 E Clay St, 
    Richmond, VA 
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Lawrence Schwartz is a Rheumatologist practicing medicine in Richmond, Virginia. Dr. Schwartz is rated as a Distinguished provider by MediFind in the treatment of Mast Cell Activation Syndrome (MCAS). He is also highly rated in 2 other conditions, according to our data. His clinical expertise encompasses Mast Cell Activation Syndrome (MCAS), Hereditary Alpha-Tryptasemia, and Chronic Spontaneous Urticaria (CSU). Dr. Schwartz is currently accepting new patients.

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

    Lone Peak Internal Medicine

    74 E Kimballs Ln Ste 300, 
    Draper, UT 
    Experience:
    18+ years
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Jonathan Vellinga is a primary care provider, practicing in Internal Medicine in Draper, Utah. He has been practicing medicine for over 18 years. Dr. Vellinga is rated as a Distinguished provider by MediFind in the treatment of Mast Cell Activation Syndrome (MCAS). He is also highly rated in 60 other conditions, according to our data. His clinical expertise encompasses Sulfite Oxidase Deficiency, Hypermethioninemia, Methylmalonic Acidemia with Homocystinuria, and Inborn Amino Acid Metabolism Disorder. Dr. Vellinga is currently accepting new patients.

    Showing 1-20 of 2,176

    Last Updated: 09/26/2026

    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 The United States?

    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 The United States?

    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 The United States?

    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 The United States?

    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 The United States?

    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 The United States?

    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 The United States?

    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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