The 20 Best Mast Cell Activation Syndrome (MCAS) Doctors Near Me in morristown, NJ

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

Last Updated: 09/26/2026

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MediFind found 6 doctor with experience in Mast Cell Activation Syndrome (MCAS) near morristown, NJ. Of these, 5 are Experienced and 1 are Advanced.

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6 providers found
    Experienced in Mast Cell Activation Syndrome (MCAS)

    Dr. John J. Oppenheimer
    Internal Medicine
    Experienced in Mast Cell Activation Syndrome (MCAS)

    Dr. John J. Oppenheimer
    Internal Medicine

    Office

    8 Saddle Rd, 
    Cedar Knolls, NJ 
     (2.5 miles away)
    973-267-9393
    Languages Spoken:
    English, Italian, Russian, Spanish
    See accepted insurances
    Accepting New Patients

    John Oppenheimer is a primary care provider, practicing in Internal Medicine in Cedar Knolls, New Jersey. Dr. Oppenheimer is rated as an Experienced provider by MediFind in the treatment of Mast Cell Activation Syndrome (MCAS). He is also highly rated in 13 other conditions, according to our data. His clinical expertise encompasses Asthma, Anaphylaxis, Chronic Cough, and Allergic Rhinitis. Dr. Oppenheimer is currently accepting new patients.

    Advanced in Mast Cell Activation Syndrome (MCAS)

    Dr. Max G. Deshaw
    Infectious Disease
    Advanced in Mast Cell Activation Syndrome (MCAS)

    Dr. Max G. Deshaw
    Infectious Disease
    Referral may be required

    Infectious Diseases Consultants

    220 Ridgedale Avenue, Suite C2, 
    Florham Park, NJ 
     (4.5 miles away)
    973-538-5844
    Languages Spoken:
    English
    See accepted insurances
    Offers Telehealth

    Max Deshaw is an Infectious Disease provider practicing medicine in Florham Park, New Jersey. Dr. Deshaw is rated as an Advanced provider by MediFind in the treatment of Mast Cell Activation Syndrome (MCAS). He is also highly rated in 40 other conditions, according to our data. His clinical expertise encompasses Lyme Disease, Pneumonia, Strep Throat, and Spotted Fever. Dr. Deshaw is board certified in American Board Of Internal Medicine.

    Experienced in Mast Cell Activation Syndrome (MCAS)

    Dr. Thu T. Aung
    Allergy and Immunology
    Experienced in Mast Cell Activation Syndrome (MCAS)

    Dr. Thu T. Aung
    Allergy and Immunology
    Referral may be required

    Impact Medical Allergy Asthma And Immunology

    261 James Street, Suite 3F, 
    Morristown, NJ 
     (1.6 miles away)
    973-267-3646
    Experience:
    17+ years
    Languages Spoken:
    English, Burmese
    See accepted insurances
    Accepting New Patients

    Thu Aung is an Allergy and Immunologist practicing medicine in Morristown, New Jersey. She has been practicing medicine for over 17 years. Dr. Aung is rated as an Experienced provider by MediFind in the treatment of Mast Cell Activation Syndrome (MCAS). She is also highly rated in 7 other conditions, according to our data. Her clinical expertise encompasses Allergic Rhinitis, Sinusitis, Grass Allergy, and Angioedema. Dr. Aung is board certified in American Board Of Pediatrics , American Board Of Internal Medicine, American Board Of Allergy And Immunology, and American Board Of Pediatrics. Dr. Aung is currently accepting new patients.

    Learn about our expert tiers
    Experienced in Mast Cell Activation Syndrome (MCAS)

    Dr. Archana P. Mehta
    Allergy and Immunology
    Experienced in Mast Cell Activation Syndrome (MCAS)

    Dr. Archana P. Mehta
    Allergy and Immunology
    Referral may be required

    ENT And Allergy Associates

    3219 Route 46, Suite 203, 
    Parsippany, NJ 
     (6.0 miles away)
    973-394-1818
    Languages Spoken:
    English
    See accepted insurances
    Accepting New Patients

    Archana Mehta is an Allergy and Immunologist practicing medicine in Parsippany, New Jersey. Dr. Mehta is rated as an Experienced provider by MediFind in the treatment of Mast Cell Activation Syndrome (MCAS). She is also highly rated in 18 other conditions, according to our data. Her clinical expertise encompasses Allergic Rhinitis, Sinusitis, Grass Allergy, and Food Allergy. Dr. Mehta is board certified in American Board Of Allergy And Immunology. Dr. Mehta is currently accepting new patients.

    Experienced in Mast Cell Activation Syndrome (MCAS)

    Dr. Vitaly Fishbein
    Gastroenterology
    Experienced in Mast Cell Activation Syndrome (MCAS)

    Dr. Vitaly Fishbein
    Gastroenterology
    Referral may be required

    Saint Barnabas Medical Center

    94 Old Short Hills Rd, 
    Livingston, NJ 
     (9.2 miles away)
    973-736-1112
    Languages Spoken:
    English
    See accepted insurances
    Offers Telehealth

    Vitaly Fishbein is a Gastroenterologist practicing medicine in Livingston, New Jersey. Dr. Fishbein is rated as an Experienced provider by MediFind in the treatment of Mast Cell Activation Syndrome (MCAS). He is also highly rated in 40 other conditions, according to our data. His clinical expertise encompasses Irritable Bowel Syndrome (IBS), Non-Alcoholic Fatty Liver Disease, Visceromegaly, Familial Adenomatous Polyposis, and Gastrectomy.

    Experienced in Mast Cell Activation Syndrome (MCAS)

    Dr. Leonard Bielory
    Allergy and Immunology
    Experienced in Mast Cell Activation Syndrome (MCAS)

    Dr. Leonard Bielory
    Allergy and Immunology
    Referral may be required

    Allergy And Asthma Center Of NJ LLC

    400 Mountain Avenue, 
    Springfield, NJ 
     (10.3 miles away)
    973-912-9817
    Languages Spoken:
    English, Hebrew
    See accepted insurances

    Leonard Bielory is an Allergy and Immunologist practicing medicine in Springfield, New Jersey. Dr. Bielory is rated as an Experienced provider by MediFind in the treatment of Mast Cell Activation Syndrome (MCAS). He is also highly rated in 8 other conditions, according to our data. His clinical expertise encompasses Giant Papillary Conjunctivitis, Allergic Conjunctivitis, Vernal Keratoconjunctivitis, and Conjunctivitis (Pink Eye). Dr. Bielory is board certified in American Board Of Allergy And Immunology and American Board Of Internal Medicine.

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    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 near morristown, NJ?

    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 morristown, NJ?

    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 Mast Cell Activation Syndrome (MCAS) doctor near morristown, NJ?

    You can find a Mast Cell Activation Syndrome (MCAS) doctor in any of the 10 largest U.S. cities by clicking below:

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    How does MediFind rank Mast Cell Activation Syndrome (MCAS) doctors near morristown, NJ?

    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 morristown, NJ?

    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 morristown, NJ?

    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 morristown, NJ?

    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 morristown, NJ?

    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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