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    Last Updated: 02/22/2026

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    MediFind found 89 doctor with experience in Mast Cell Activation Syndrome (MCAS) near Pennsylvania, US. Of these, 77 are Experienced, 10 are Advanced, 1 are Distinguished and 1 are Elite.

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    89 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.

      Dat T. Tran
      Experienced in Mast Cell Activation Syndrome (MCAS)
      Family Medicine
      Experienced in Mast Cell Activation Syndrome (MCAS)
      Family Medicine

      LVPG Family And Internal Medicine-Carbondale

      267 Brooklyn Street, 
      Carbondale, PA 
      Languages Spoken:
      English, Vietnamese
      Offers Telehealth

      Philosophy of care | I believe everyone deserves a chance to thrive and I want to help patients get there, body and mind. | Why I entered medicine | I enjoy engaging with my patients to learn about their life and to mold the treatment plan in a way that best suits them. I learn something new every day from my patients and each day is a new opportunity. | Community involvement | I have tutored children and volunteered in homeless shelters. | Personal interests | In my free time I enjoy traveling, cycling, art, cooking, the beach and spending time with my partner, friends and family. Dr. Tran is rated as an Experienced provider by MediFind in the treatment of Mast Cell Activation Syndrome (MCAS). His top areas of expertise are Fainting, Flu, Hyperventilation, Coronary Artery Fistula, and Percutaneous Coronary Intervention (PCI).

      Gerald J. Hansen
      Experienced in Mast Cell Activation Syndrome (MCAS)
      Pediatrics | Family Medicine
      Experienced in Mast Cell Activation Syndrome (MCAS)
      Pediatrics | Family Medicine

      Abington Family Medicine

      500 Old York Road, Suite 108, 
      Jenkintown, PA 
      Languages Spoken:
      English, Spanish

      Gerald Hansen is a primary care provider, practicing in Pediatrics and Family Medicine in Jenkintown, Pennsylvania. Dr. Hansen is rated as an Experienced provider by MediFind in the treatment of Mast Cell Activation Syndrome (MCAS). His top areas of expertise are Dementia, Familial Hypertension, Hypertension, and Glucocorticoid-Remediable Aldosteronism.

      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.

      Sanjay Linganna
      Experienced in Mast Cell Activation Syndrome (MCAS)
      Internal Medicine
      Experienced in Mast Cell Activation Syndrome (MCAS)
      Internal Medicine

      LVPG Internal Medicine-3080 Hamilton Blvd

      3080 Hamilton Blvd, Suite 350, 
      Allentown, PA 
      Languages Spoken:
      English

      Sanjay Linganna is a primary care provider, practicing in Internal Medicine in Allentown, Pennsylvania. Dr. Linganna is rated as an Experienced provider by MediFind in the treatment of Mast Cell Activation Syndrome (MCAS). His top areas of expertise are Malnutrition, Glucocorticoid-Remediable Aldosteronism, Familial Hypertension, and Hypertension.

      Susan K. Kuchera
      Experienced in Mast Cell Activation Syndrome (MCAS)
      Sports Medicine | Pediatrics | Family Medicine
      Experienced in Mast Cell Activation Syndrome (MCAS)
      Sports Medicine | Pediatrics | Family Medicine

      Abington Family Medicine

      500 Old York Road, Suite 108, 
      Jenkintown, PA 
      Languages Spoken:
      English

      Susan Kuchera is a Sports Medicine specialist and a Pediatrics provider in Jenkintown, Pennsylvania. Dr. Kuchera is rated as an Experienced provider by MediFind in the treatment of Mast Cell Activation Syndrome (MCAS). Her top areas of expertise are Concussion and Mast Cell Activation Syndrome (MCAS).

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

      Abington Family Medicine

      500 Old York Road, Suite 108, 
      Jenkintown, PA 
      Languages Spoken:
      English
      Accepting New Patients
      Offers Telehealth

      William Callahan is a primary care provider, practicing in Family Medicine in Jenkintown, Pennsylvania. Dr. Callahan is rated as an Experienced provider by MediFind in the treatment of Mast Cell Activation Syndrome (MCAS). His top areas of expertise are Type 2 Diabetes (T2D), Sciatica, Glucocorticoid-Remediable Aldosteronism, and Hypertension. Dr. Callahan is currently accepting new patients.

      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.

      Showing 1-20 of 89

      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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