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

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

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

Last Updated: 02/22/2026

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MediFind found 88 doctor with experience in Mast Cell Activation Syndrome (MCAS) near Pennsylvania, US. Of these, 76 are Experienced, 10 are Advanced, 1 are Distinguished and 1 are Elite.

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88 providers found
    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
    Accepting New Patients
    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, Graft Versus Host Disease (GvHD), Myelofibrosis, Bone Marrow Transplant, and Bone Marrow Aspiration. Dr. Hexner is currently accepting new patients.

    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.

    Alyson B. Simpson
    Advanced in Mast Cell Activation Syndrome (MCAS)
    Allergy and Immunology | Pediatrics | Pediatric Allergy and Immunology
    Advanced in Mast Cell Activation Syndrome (MCAS)
    Allergy and Immunology | Pediatrics | Pediatric Allergy and Immunology
    704 South Broad Street, 
    Lansdale, PA 
    Languages Spoken:
    English
    Accepting New Patients

    Alyson Simpson is a Pediatrics specialist and a Pediatric Allergy and Immunologist in Lansdale, Pennsylvania. Dr. Simpson is rated as an Advanced provider by MediFind in the treatment of Mast Cell Activation Syndrome (MCAS). Her top areas of expertise are Hives, Sinusitis, Allergic Rhinitis, and Primary Immunodeficiency (PID). Dr. Simpson is currently accepting new patients.

    Learn about our expert tiers
    Advanced in Mast Cell Activation Syndrome (MCAS)
    Allergy and Immunology
    Advanced in Mast Cell Activation Syndrome (MCAS)
    Allergy and Immunology

    Penn Allergy And Immunology Radnor

    145 King Of Prussia Road, Floor 2, Suite 205 South, 
    Radnor, PA 
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Anar Dossumbekova is an Allergy and Immunologist in Radnor, Pennsylvania. Dr. Dossumbekova is rated as an Advanced provider by MediFind in the treatment of Mast Cell Activation Syndrome (MCAS). Her top areas of expertise are Grass Allergy, Allergic Rhinitis, Sinusitis, and Hives. Dr. Dossumbekova is currently accepting new patients.

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

    Jefferson Infectious Diseases - Honickman Center

    1101 Chestnut Street, Floor 11, 
    Philadelphia, PA 
    Languages Spoken:
    English
    Accepting New Patients

    Kevin He is an Infectious Disease provider in Philadelphia, Pennsylvania. Dr. He 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), End-Stage Renal Disease (ESRD), COVID-19, and Pneumonia. Dr. He is currently accepting new patients.

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

    LVPG Allergy, Asthma And Immunology-1605 N. Cedar Crest

    1605 N Cedar Crest Blvd, Suite 605, 
    Allentown, PA 
    Languages Spoken:
    English, Ukrainian
    Offers Telehealth

    Philosophy of care | My philosophy centers on improving each patient's quality of life. | Why I entered medicine | I entered medicine because of my strong motivation to make a positive impact on people's lives. I really enjoy practicing allergy and immunology because it allows me to treat both adult and pediatric patients. | Community involvement | I plan on becoming more active in the community in part by giving educational talks about allergies and asthma. | Personal interests | I enjoy time with my family and traveling. I also like all sorts of outdoor activities, including the beach, hiking, fishing and skiing. Dr. Trytko is rated as an Experienced provider by MediFind in the treatment of Mast Cell Activation Syndrome (MCAS). Her top areas of expertise are Allergic Conjunctivitis, Conjunctivitis (Pink Eye), Hives, and Allergic Rhinitis.

    Maurice D. Gross
    Experienced in Mast Cell Activation Syndrome (MCAS)
    Palliative Medicine
    Experienced in Mast Cell Activation Syndrome (MCAS)
    Palliative Medicine
    1200 Old York Road, Dixon Building Floor 2, 
    Abington, PA 
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Maurice Gross is a Palliative Medicine provider in Abington, Pennsylvania. Dr. Gross is rated as an Experienced provider by MediFind in the treatment of Mast Cell Activation Syndrome (MCAS). His top area of expertise is Mast Cell Activation Syndrome (MCAS). Dr. Gross is currently accepting new patients.

    Sandhya H. Desai
    Experienced in Mast Cell Activation Syndrome (MCAS)
    Allergy and Immunology | Pediatrics | Pediatric Allergy and Immunology
    Experienced in Mast Cell Activation Syndrome (MCAS)
    Allergy and Immunology | Pediatrics | Pediatric Allergy and Immunology
    470 Sentry Parkway East, Suite 200, 
    Blue Bell, PA 
    Languages Spoken:
    English
    Accepting New Patients

    Sandhya Desai is a Pediatrics specialist and a Pediatric Allergy and Immunologist in Blue Bell, Pennsylvania. Dr. Desai 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, Grass Allergy, Sinusitis, and Angioedema. Dr. Desai is currently accepting new patients.

    Manav N. Segal
    Experienced in Mast Cell Activation Syndrome (MCAS)
    Allergy and Immunology | Pulmonary Medicine
    Experienced in Mast Cell Activation Syndrome (MCAS)
    Allergy and Immunology | Pulmonary Medicine
    255 South 17th Street, Suite 1104, 
    Philadelphia, PA 
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Manav Segal is an Allergy and Immunologist and a Pulmonary Medicine provider in Philadelphia, Pennsylvania. Dr. Segal is rated as an Experienced provider by MediFind in the treatment of Mast Cell Activation Syndrome (MCAS). His top areas of expertise are Grass Allergy, Allergic Rhinitis, Sinusitis, and Allergic Conjunctivitis. Dr. Segal is currently accepting new patients.

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

    Geisinger Medical Center - Allergy

    100 North Academy Avenue, 
    Danville, PA 
    Languages Spoken:
    English, Hindi, Punjabi
    Accepting New Patients

    Dr. Bajaj is a board-certified and fellowship-trained specialist in allergy and immunology. His clinical interests include nose and sinus allergies, food allergies, asthma, hives and angioedema and immunodeficiencies in children and adults. Dr. Bajaj attended Government Medical College Amritsar in India, where he earned his degree in medicine. He completed two residencies, one at Saint Peter's University Hospital and the other at Reading Hospital and Medical Center. He completed his fellowship in allergy and immunology at the Milton S. Hershey Medical Center. Dr. Bajaj is certified by the American Board of Allergy and Immunology and the American Board of Internal Medicine. He speaks English, Hindi and Punjabi. Dr. Bajaj is rated as an Experienced provider by MediFind in the treatment of Mast Cell Activation Syndrome (MCAS). His top areas of expertise are Hives, Common Variable Immune Deficiency, Vibratory Urticaria, and Chronic Spontaneous Urticaria (CSU).

    Paul A. Arkless
    Experienced in Mast Cell Activation Syndrome (MCAS)
    Pulmonary Medicine | Intensive Care Medicine
    Experienced in Mast Cell Activation Syndrome (MCAS)
    Pulmonary Medicine | Intensive Care Medicine

    Geisinger Wyoming Valley Medical Office Building - Pulmonary Medicine

    950 East Mountain Boulevard, 
    Wilkes Barre, PA 
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Dr. Arkless is a board-certified and fellowship-trained specialist in pulmonary and critical care medicine. His clinical interests include lung nodule management and lung cancer diagnosis and staging. His research interests include sepsis and acute respiratory distress syndrome. Dr. Arkless earned his medical degree from the University of Leicester College of Medicine, Biological Sciences and Psychology, in the United Kingdom. He then moved to the United States, where he completed his residency at AtlantiCare Regional Medical Center, a fellowship in critical care medicine at Yale-New Haven Hospital, and a fellowship in pulmonary medicine at Norwalk Hospital. Dr. Arkless is certified by the American Board of Internal Medicine in internal medicine, critical care medicine and pulmonary disease. Dr. Arkless is rated as an Experienced provider by MediFind in the treatment of Mast Cell Activation Syndrome (MCAS). His top areas of expertise are Chronic Obstructive Pulmonary Disease (COPD), Lung Metastases, Interstitial Lung Disease, Acute Interstitial Pneumonia, and Gastrostomy.

    Jamie A. Swanson
    Experienced in Mast Cell Activation Syndrome (MCAS)
    Geriatrics | Internal Medicine
    Experienced in Mast Cell Activation Syndrome (MCAS)
    Geriatrics | Internal Medicine

    Abington Adult Medical Associates

    1235 Old York Road, Suite 214, 
    Abington, PA 
    Languages Spoken:
    English
    Offers Telehealth

    Jamie Swanson is a primary care provider, practicing in Internal Medicine and Geriatrics in Abington, Pennsylvania. Dr. Swanson is rated as an Experienced provider by MediFind in the treatment of Mast Cell Activation Syndrome (MCAS). Her top areas of expertise are Glucose-6-Phosphate Dehydrogenase Deficiency, Glucose-6-Phosphate Translocase Deficiency, Delirium, and Neural Crest Tumor.

    Abdul M. Adjei
    Experienced in Mast Cell Activation Syndrome (MCAS)
    Hematology | Oncology
    Experienced in Mast Cell Activation Syndrome (MCAS)
    Hematology | Oncology

    Frank M & Dorothea Henry Cancer Center

    1000 East Mountain Boulevard, 
    Wilkes Barre, PA 
    Languages Spoken:
    English
    Accepting New Patients

    Dr. Adjei is a board-eligible and fellowship-trained cancer physician specializing in hematology. He subspecializes in the lung. Dr. Adjei earned his medical degree from Istanbul Üniversitesi, Istanbul Tip Fakültesi in Turkey. He then moved to the United States, where he completed his residency at Harbor Hospital Center. He completed his fellowship in hematology and oncology at Fox Chase Cancer Center. Dr. Adjei is certified by the American Board of Internal Medicine in internal medicine, hematology and medical oncology. Dr. Adjei is rated as an Experienced provider by MediFind in the treatment of Mast Cell Activation Syndrome (MCAS). His top areas of expertise are Lung Adenocarcinoma, Small Cell Lung Cancer (SCLC), Squamous Cell Lung Carcinoma, Non-Small Cell Lung Cancer (NSCLC), and Bone Marrow Aspiration.

    Patrick M. Vannelli
    Experienced in Mast Cell Activation Syndrome (MCAS)
    Allergy and Immunology
    Experienced in Mast Cell Activation Syndrome (MCAS)
    Allergy and Immunology
    599 West State Street, Suite 300, 
    Doylestown, PA 
    Languages Spoken:
    English
    Accepting New Patients

    Patrick Vannelli is an Allergy and Immunologist in Doylestown, Pennsylvania. Dr. Vannelli 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, Grass Allergy, Sinusitis, and Angioedema. Dr. Vannelli is currently accepting new patients.

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

    Bethlehem Allergy, Asthma And Immunology

    3445 High Point Blvd, Suite 400, 
    Bethlehem, PA 
    Languages Spoken:
    English

    Philosophy of care | I strive to empower patients so they can improve their environment, minimize their need for medications, maximize their health and control their allergic diseases. | Why I entered medicine | A career in medicine merged my interest in science with a calling to serve the ill. | Community involvement | I am involved in my church, the Wounded Warrior Project and the American Lung Association. | Personal interests | Religion, family and researching allergic diseases are ways I enjoy spending my time. Dr. Kearney is rated as an Experienced provider by MediFind in the treatment of Mast Cell Activation Syndrome (MCAS). Her top areas of expertise are Allergic Conjunctivitis, Hives, Allergic Rhinitis, and Sinusitis.

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

    Specialty Physician Associates, LLC

    3445 High Point Blvd, Suite 400, 
    Bethlehem, PA 
    Languages Spoken:
    English, Urdu

    Philosophy of care | I believe in a holistic approach to health care. As a specialist of allergy and immunology, I pay close attention to other organ systems that can directly or indirectly impact diseases I treat. Beyond medicine, I also try to incorporate social, psychological and cultural preferences into the care I provide. It is my top priority that you leave my office satisfied with the care you received and having a clear understanding of your illness and cure. | Why I entered medicine | Medicine has been my passion from a very young age. The science contained within human body has always been fascinating for me. This love and passion kept me engaged throughout medical education and training and it is now being translated into the care I provide for my patients. | Community involvement | I have been involved in numerous non-profit organizations providing medical care to underserved populations locally and abroad. | Personal interests | I enjoy traveling, hiking, exploring natural wonders and learning about other cultures in my free time. Dr. Mujahid is rated as an Experienced provider by MediFind in the treatment of Mast Cell Activation Syndrome (MCAS). His top areas of expertise are Anaphylaxis, Exercise-Induced Anaphylaxis (EIA), Serum Sickness, and Allergic Rhinitis.

    Christopher J. Adkins
    Experienced in Mast Cell Activation Syndrome (MCAS)
    Gastroenterology | Hepatology
    Experienced in Mast Cell Activation Syndrome (MCAS)
    Gastroenterology | Hepatology

    Jefferson Digestive Health Institute - Honickman Center

    1101 Chestnut Street, Floors 7 & 8, 
    Philadelphia, PA 
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Christopher Adkins is a Hepatologist and a Gastroenterologist in Philadelphia, Pennsylvania. Dr. Adkins is rated as an Experienced provider by MediFind in the treatment of Mast Cell Activation Syndrome (MCAS). His top areas of expertise are Opioid Induced Constipation, Trichohepatoenteric Syndrome, Portal Hypertension, Endoscopy, and Colonoscopy. Dr. Adkins is currently accepting new patients.

    Mark A. Posner
    Advanced in Mast Cell Activation Syndrome (MCAS)
    Allergy and Immunology | Pediatrics
    Advanced in Mast Cell Activation Syndrome (MCAS)
    Allergy and Immunology | Pediatrics
    470 Sentry Parkway East, Suite 200, 
    Blue Bell, PA 
    Languages Spoken:
    English
    Accepting New Patients

    Mark Posner is a Pediatrics specialist and an Allergy and Immunologist in Blue Bell, Pennsylvania. Dr. Posner is rated as an Advanced provider by MediFind in the treatment of Mast Cell Activation Syndrome (MCAS). His top areas of expertise are Sinusitis, Allergic Rhinitis, Grass Allergy, and Mast Cell Activation Syndrome (MCAS). Dr. Posner is currently accepting new patients.

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

    The Milton S. Hershey Medical Center

    500 University Dr, 
    Hershey, PA 
    Languages Spoken:
    English

    Jonathan Bernstein is a Hematologist and an Oncologist in Hershey, Pennsylvania. Dr. Bernstein 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), Hemophilia A, Mast Cell Activation Syndrome (MCAS), and Chronic Rhinosinusitis with Nasal Polyps (CRSwNP).

    Eric Schenkel
    Advanced in Mast Cell Activation Syndrome (MCAS)
    Allergy and Immunology
    Advanced in Mast Cell Activation Syndrome (MCAS)
    Allergy and Immunology

    Office

    3101 Emrick Blvd Ste 211, 
    Bethlehem, PA 
    Languages Spoken:
    English

    Eric Schenkel is an Allergy and Immunologist in Bethlehem, Pennsylvania. Dr. Schenkel is rated as an Advanced provider by MediFind in the treatment of Mast Cell Activation Syndrome (MCAS). His top areas of expertise are Sinusitis, Allergic Rhinitis, Grass Allergy, and Hives.

    Showing 1-20 of 88

    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 Pennsylvania, 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 Pennsylvania, 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 Pennsylvania, 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 Pennsylvania, 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 Pennsylvania, 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 Pennsylvania, 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 Pennsylvania, 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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