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: 04/28/2026

Save doctors for later
Sign Up
Not sure about your diagnosis?
Check Your Symptoms
Already have a doctor?
Find A Second Opinion

MediFind found 2149 doctor with experience in Mast Cell Activation Syndrome (MCAS) near The United States. Of these, 1804 are Experienced, 292 are Advanced, 31 are Distinguished and 17 are Elite.

Location
LocationClose
2,149 providers found
    Melody Carter
    Elite in Mast Cell Activation Syndrome (MCAS)
    Elite in Mast Cell Activation Syndrome (MCAS)

    Molecular Medicine And Neuroscience

    10 Center Dr Bldg 10, 
    Bethesda, MD 
    Languages Spoken:
    English

    Melody Carter is a Pediatrics provider in Bethesda, Maryland. Dr. Carter is rated as an Elite provider by MediFind in the treatment of Mast Cell Activation Syndrome (MCAS). Her top areas of expertise are Mast Cell Activation Syndrome (MCAS), Urticaria Pigmentosa, Systemic Mastocytosis, and Anaphylaxis.

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

    Dept Of Transfusion Medicine/Nih Clinical Center

    10 Center Dr, 
    Bethesda, MD 
    Languages Spoken:
    English

    Dean Metcalfe is a Rheumatologist in Bethesda, Maryland. Dr. Metcalfe is rated as an Elite provider by MediFind in the treatment of Mast Cell Activation Syndrome (MCAS). His top areas of expertise are Mast Cell Activation Syndrome (MCAS), Systemic Mastocytosis, Urticaria Pigmentosa, and Anaphylaxis.

    Cem Akin
    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
    Offers Telehealth

    Dr. Akin completed his residency in Internal Medicine and PhD at the University of Louisville, and his Allergy/Immunology fellowship at the NIH Clinical Center, where he also worked as a staff physician and researcher. He was then an Assistant Professor at the University of Michigan and an Associate Professor at Harvard Medical School, where he established and lead the Mastocytosis Center at the Brigham and Women's Hospital in Boston. He is internationally recognized for his work on mast cell disorders and anaphylaxis and is an active member of the AAAAI. Dr. Akin is rated as an Elite provider by MediFind in the treatment of Mast Cell Activation Syndrome (MCAS). His top areas of expertise are Systemic Mastocytosis, Mast Cell Activation Syndrome (MCAS), Anaphylaxis, Urticaria Pigmentosa, and Tissue Biopsy.

    Learn about our expert tiers
    Daniel Deangelo
    Elite in Mast Cell Activation Syndrome (MCAS)
    Elite in Mast Cell Activation Syndrome (MCAS)

    Dana-Farber Cancer Institute

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

    Daniel Deangelo is an Oncologist in Boston, Massachusetts. Dr. Deangelo is rated as an Elite provider by MediFind in the treatment of Mast Cell Activation Syndrome (MCAS). His top areas of expertise are Systemic Mastocytosis, Acute Myeloid Leukemia (AML), Leukemia, Bone Marrow Aspiration, and Bone Marrow Transplant.

    Elite in Mast Cell Activation Syndrome (MCAS)
    Hematology
    Elite in Mast Cell Activation Syndrome (MCAS)
    Hematology

    Stanford University

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

    Jason Gotlib is a Hematologist in Palo Alto, California. Dr. Gotlib is rated as an Elite provider by MediFind in the treatment of Mast Cell Activation Syndrome (MCAS). His top areas of expertise are Systemic Mastocytosis, Mast Cell Activation Syndrome (MCAS), Myelofibrosis, Bone Marrow Aspiration, and Tissue Biopsy.

    Elite in Mast Cell Activation Syndrome (MCAS)
    Hematology
    Elite in Mast Cell Activation Syndrome (MCAS)
    Hematology

    Pathology - Arup Client Billing

    500 S Chipeta Way, 
    Salt Lake City, UT 
    Languages Spoken:
    English
    Accepting New Patients

    Tracy George is a Hematologist in Salt Lake City, Utah. Dr. George is rated as an Elite 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), Acute Myeloid Leukemia (AML), Leukemia, and Tissue Biopsy. Dr. George is currently accepting new patients.

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

    Integrative Medical Wellness PC

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

    Lawrence Afrin is a Hematologist in Armonk, New York. Dr. Afrin is rated as an Elite provider by MediFind in the treatment of Mast Cell Activation Syndrome (MCAS). His top areas of expertise are Mast Cell Activation Syndrome (MCAS), Systemic Mastocytosis, Serum Sickness, Myelofibrosis, and Bone Marrow Aspiration.

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

    UT MD Anderson Cancer Center

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

    Prithviraj Bose is a Hematologist in Cary, North Carolina. Dr. Bose is rated as an Elite provider by MediFind in the treatment of Mast Cell Activation Syndrome (MCAS). His top areas of expertise are 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)

    Rush University Medical Center

    1725 W Harrison St Ste 1010, 
    Chicago, IL 
    Languages Spoken:
    English
    Offers Telehealth

    Celalettin Ustun is a Hematologist in Chicago, Illinois. Dr. Ustun is rated as an Elite provider by MediFind in the treatment of Mast Cell Activation Syndrome (MCAS). His top areas of expertise are Systemic Mastocytosis, Mast Cell Activation Syndrome (MCAS), Acute Myeloid Leukemia (AML), Bone Marrow Transplant, and Bone Marrow Aspiration.

    Elite in Mast Cell Activation Syndrome (MCAS)
    Gastroenterology
    Elite in Mast Cell Activation Syndrome (MCAS)
    Gastroenterology

    Brigham & Women's Hospital

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

    Matthew Hamilton is a Gastroenterologist in Chestnut Hill, Massachusetts. Dr. Hamilton is rated as an Elite provider by MediFind in the treatment of Mast Cell Activation Syndrome (MCAS). His top areas of expertise are Mast Cell Activation Syndrome (MCAS), Ulcerative Colitis, Crohn's Disease, Endoscopy, and Knee Replacement.

    Elite in Mast Cell Activation Syndrome (MCAS)
    Gastroenterology
    Elite in Mast Cell Activation Syndrome (MCAS)
    Gastroenterology

    Specialist In Gastroenterology

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

    Leonard Weinstock is a Gastroenterologist in Saint Louis, Missouri. Dr. Weinstock is rated as an Elite provider by MediFind in the treatment of Mast Cell Activation Syndrome (MCAS). His top areas of expertise are Mast Cell Activation Syndrome (MCAS), Small Bowel Bacterial Overgrowth, Irritable Bowel Syndrome (IBS), Endoscopy, and Colonoscopy.

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

    Mayo Clinic-Rochester

    5716 Cleveland St Ste 200, 
    Virginia Beach, VA 
    Languages Spoken:
    English

    Animesh Pardanani is a Hematologist in Virginia Beach, Virginia. Dr. Pardanani is rated as an Elite provider by MediFind in the treatment of Mast Cell Activation Syndrome (MCAS). His top areas of expertise are Myelofibrosis, Systemic Mastocytosis, Essential Thrombocythemia, Splenectomy, and Bone Marrow Aspiration.

    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
    Offers Telehealth

    Matthew Giannetti is an Internal Medicine provider in Boston, Massachusetts. Dr. Giannetti is rated as an Elite provider by MediFind in the treatment of Mast Cell Activation Syndrome (MCAS). His top areas of expertise are Systemic Mastocytosis, Mast Cell Activation Syndrome (MCAS), Hereditary Alpha-Tryptasemia, and Anaphylaxis.

    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

    Joseph Butterfield is an Internal Medicine provider in Virginia Beach, Virginia. Dr. Butterfield is rated as an Elite provider by MediFind in the treatment of Mast Cell Activation Syndrome (MCAS). His top areas of expertise are Systemic Mastocytosis, Mast Cell Activation Syndrome (MCAS), Hypereosinophilic Syndrome, and Urticaria Pigmentosa.

    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 an Internal Medicine provider in San Diego, California. Dr. Lyons is rated as an Elite provider by MediFind in the treatment of Mast Cell Activation Syndrome (MCAS). His top areas of expertise are 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)

    MN - Cancer Hematology

    200 1st St SW, 
    Rochester, MN 
    Experience:
    44+ years
    Languages Spoken:
    English
    Offers Telehealth

    Ayalew Tefferi is a Hematologist in Rochester, Minnesota. Dr. Tefferi has been practicing medicine for over 44 years and is rated as an Elite provider by MediFind in the treatment of Mast Cell Activation Syndrome (MCAS). His top areas of expertise are Essential Thrombocythemia, Myelofibrosis, Myeloproliferative Neoplasms (MPN), Splenectomy, and Bone Marrow Transplant.

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

    Perelman Center For Advanced Medicine

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

    Elizabeth Hexner is a Hematologist in Philadelphia, Pennsylvania. Dr. Hexner is rated as an Elite provider by MediFind in the treatment of Mast Cell Activation Syndrome (MCAS). Her top areas of expertise are Systemic Mastocytosis, Myelofibrosis, Graft Versus Host Disease (GvHD), Bone Marrow Transplant, and Bone Marrow Aspiration.

    Nathan H. Kung
    Experienced in Mast Cell Activation Syndrome (MCAS)
    Experienced in Mast Cell Activation Syndrome (MCAS)

    Rampart Clinic Neurology & Neuro-Ophthalmology

    130 Rampart Way, Suite 150, 
    Denver, CO 
    Experience:
    15+ years
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Dr. Kung was born and raised in Arlington, Texas and completed his undergraduate studies at Rice University in Houston. He attended medical school at Washington University in St. Louis, Missouri. After obtaining his medical degree, Dr. Kung stayed at Washington University for residency training in Adult Neurology and fellowship training in both Epilepsy and Neuro-Ophthalmology. Dr. Kung is board certified in Neurology and Epilepsy and has a special interest in seeing patients with refractory headaches, dizziness and brain injury. He also uses Botox to treat patients with chronic migraine.“I will invest the time that it takes to take care of you.”Outside of the office, Dr. Kung enjoys spending time with family and friends, playing with his children, and working on his indoor climbing skills. Dr. Kung is rated as an Experienced provider by MediFind in the treatment of Mast Cell Activation Syndrome (MCAS). His top areas of expertise are Migraine, Epilepsy, Seizures, and Optic Neuritis.

    Christian J. Fidler
    Distinguished in Mast Cell Activation Syndrome (MCAS)
    Hematology Oncology | Hematology | Oncology
    Distinguished in Mast Cell Activation Syndrome (MCAS)
    Hematology Oncology | Hematology | Oncology

    Abington Cancer Care Specialists

    Willow Grove, PA 
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Christian Fidler is a Hematologist and an Oncologist in Willow Grove, Pennsylvania. Dr. Fidler is rated as a Distinguished provider by MediFind in the treatment of Mast Cell Activation Syndrome (MCAS). His top areas of expertise are Neuroendocrine Tumor, Mast Cell Activation Syndrome (MCAS), Gastroenteropancreatic Neuroendocrine Tumor (GEP-NET), and Large-Cell Immunoblastic Lymphoma. Dr. Fidler is currently accepting new patients.

    Ruben A. Mesa
    Distinguished in Mast Cell Activation Syndrome (MCAS)
    Hematology | Oncology
    Distinguished in Mast Cell Activation Syndrome (MCAS)
    Hematology | Oncology

    Atrium Health Levine Cancer Institute

    1021 Morehead Medical Drive, 
    Charlotte, NC 
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Ruben Mesa is a Hematologist and an Oncologist in Charlotte, North Carolina. Dr. Mesa is rated as a Distinguished provider by MediFind in the treatment of Mast Cell Activation Syndrome (MCAS). His top areas of expertise are Myelofibrosis, Polycythemia Vera, Myeloproliferative Neoplasms (MPN), Bone Marrow Transplant, and Splenectomy. Dr. Mesa is currently accepting new patients.

    Showing 1-20 of 2,149

    Last Updated: 04/28/2026

    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 

    Read more about our Content Policy