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    Last Updated: 02/22/2026

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    MediFind found 13 doctor with experience in Mast Cell Activation Syndrome (MCAS) near Baltimore, MD. Of these, 10 are Experienced and 3 are Advanced.

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    13 providers found
      Eric T. Oliver
      Advanced in Mast Cell Activation Syndrome (MCAS)
      Allergy and Immunology
      Advanced in Mast Cell Activation Syndrome (MCAS)
      Allergy and Immunology

      Johns Hopkins Bayview Medical Center

      Baltimore, MD 
       (3.3 miles away)
      Experience:
      18+ years
      Languages Spoken:
      English
      Offers Telehealth

      Eric Oliver, M.D. joined the Division of Allergy and Clinical Immunology as an instructor of medicine in July 2015. Dr. Oliver was born and raised in South Carolina and graduated from Duke University as dual major in biology and religion and a music minor. He earned his M.D. from the University of South Carolina and completed his residency in internal medicine and pediatrics from The Ohio State University. He completed his fellowship in allergy and immunology at Johns Hopkins. Dr. Oliver evaluates and treats infants, children, and adults at the Johns Hopkins Asthma & Allergy Center located on the Bayview campus. His clinical interests include allergic disorders of the skin and airway, hives (urticaria), food allergy, anaphylaxis, immunotherapy, aspirin desensitization, and novel therapeutics. His research efforts focus on elucidating the mechanisms for cell activation and recruitment in allergic skin disorders. Dr. Oliver 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), Hives, Mast Cell Activation Syndrome (MCAS), and Asthma.

      Peter Rowe
      Advanced in Mast Cell Activation Syndrome (MCAS)
      Adolescent Medicine
      Advanced in Mast Cell Activation Syndrome (MCAS)
      Adolescent Medicine

      Rubenstein Child Health Building

      Baltimore, MD 
       (0.1 miles away)
      Languages Spoken:
      English

      Dr. Peter Rowe is a Professor of Pediatrics at the Johns Hopkins University School of Medicine. He is the inaugural Sunshine Natural Wellbeing Foundation Professor of Chronic Fatigue and Related Disorders and serves as the Director of the Myalgic Encephalomyelitis/Chronic Fatigue Syndrome (ME/CFS) and Related Disorders Program at Johns Hopkins Children’s Center. His areas of clinical expertise include chronic fatigue syndrome and other disorders characterized by fatigue and orthostatic intolerance. Dr. Rowe and his colleagues were the first to describe the relationship between myalgic ecephalomyelitis/chronic fatigue syndrome (ME/CFS) and treatable orthostatic intolerance syndromes, as well as the association between Ehlers-Danlos syndrome and ME/CFS. After receiving his undergraduate degree from the University of Toronto, Dr. Rowe earned his medical degree at McMaster University Medical School in Ontario. He completed his residency in pediatrics at Johns Hopkins and completed his fellowship in General Pediatric Academic Development. He was on the staff at the Children's Hospital of Eastern Ontario from 1987-1991 before returning to Johns Hopkins in 1991. Dr. Rowe’s research focuses on the physiologic factors (circulatory dysregulation, allergic disorders, joint laxity, biomechanical strain, and neuroanatomic problems) that contribute to chronic fatigue as asymptom, and to ME/CFS and long COVID as conditions. In 2014, Dr. Rowe received the research award from the International Association for Chronic Fatigue Syndrome/Myalgic Encephalomyelitis (IACFS/ME) for his clinical and scientific work on chronic fatigue syndrome and related disorders. He is a member of the research advisory council for Solve ME/CFS. He is also a member of the American Pediatric Society, the Society for Pediatric Research, the Canadian Pediatric Society, and the American Academy of Pediatrics. Dr. Rowe is rated as an Advanced provider by MediFind in the treatment of Mast Cell Activation Syndrome (MCAS). His top areas of expertise are Ehlers-Danlos Syndrome (EDS), Musculocontractural Ehlers-Danlos Syndrome (mcEDS), Pelvic Congestion Syndrome, and Vascular Ehlers-Danlos Syndrome (VEDS).

      Melanie Dispenza
      Experienced in Mast Cell Activation Syndrome (MCAS)
      Allergy and Immunology
      Experienced in Mast Cell Activation Syndrome (MCAS)
      Allergy and Immunology

      Johns Hopkins Bayview Medical Center

      5501 Hopkins Bayview Circle, Allergy & Asthma Center, 2nd Floor, Allergy & Asthma Center, 2nd Floor, 
      Baltimore, MD 
       (3.8 miles away)
      Languages Spoken:
      English

      Dr. Dispenza evaluates and treats adults at the Johns Hopkins Asthma & Allergy Center located on the Bayview campus. Her clinical interests include mastocytosis and anaphylaxis. She is an active member of the American Initiative in Mast Cell Diseases. Additionally, as co-director for the Johns Hopkins Center for Anaphylaxis and Drug Hypersensitivity, her research focuses on IgE-mediated mechanisms of allergies and novel strategies for the diagnosis, prevention, and treatment of anaphylaxis. Dr. Dispenza is rated as an Experienced provider by MediFind in the treatment of Mast Cell Activation Syndrome (MCAS). Her top areas of expertise are Anaphylaxis, Hereditary Alpha-Tryptasemia, Hives, and Papular Urticaria.

      Learn about our expert tiers
      Experienced in Mast Cell Activation Syndrome (MCAS)
      Experienced in Mast Cell Activation Syndrome (MCAS)
      600 N Wolfe St, 
      Baltimore, MD 
       (1.1 miles away)
      Languages Spoken:
      English

      Christopher Hourigan is an Oncologist in Baltimore, Maryland. Dr. Hourigan is rated as an Experienced provider by MediFind in the treatment of Mast Cell Activation Syndrome (MCAS). His top areas of expertise are Acute Myeloid Leukemia (AML), Leukemia, Childhood Acute Myeloid Leukemia, Bone Graft, and Bone Marrow Aspiration.

      Experienced in Mast Cell Activation Syndrome (MCAS)
      Hematology Oncology
      Experienced in Mast Cell Activation Syndrome (MCAS)
      Hematology Oncology
      600 N Wolfe St, 
      Baltimore, MD 
       (1.1 miles away)
      Languages Spoken:
      English

      Yvette Kasamon is a Hematologist Oncology provider in Baltimore, Maryland. Dr. Kasamon is rated as an Experienced provider by MediFind in the treatment of Mast Cell Activation Syndrome (MCAS). Her top areas of expertise are Graft Versus Host Disease (GvHD), Hodgkin Lymphoma, Classical Hodgkin Lymphoma, Non-Hodgkin Lymphoma, and Bone Marrow Transplant.

      Experienced in Mast Cell Activation Syndrome (MCAS)
      Nurse Practitioner
      Experienced in Mast Cell Activation Syndrome (MCAS)
      Nurse Practitioner
      801 N Broadway, 
      Baltimore, MD 
       (1.1 miles away)
      Languages Spoken:
      English
      Accepting New Patients

      Carrie Collins is a Nurse Practitioner in Baltimore, Maryland. Ms. Collins is rated as an Experienced provider by MediFind in the treatment of Mast Cell Activation Syndrome (MCAS). Her top area of expertise is Mast Cell Activation Syndrome (MCAS). Ms. Collins is currently accepting new patients.

      Experienced in Mast Cell Activation Syndrome (MCAS)
      Physician Assistant
      Experienced in Mast Cell Activation Syndrome (MCAS)
      Physician Assistant
      5200 Eastern Ave, MFL West Tower 6th Floor, 
      Baltimore, MD 
       (3.1 miles away)
      Languages Spoken:
      English

      Michaela Cerrato is a Physician Assistant in Baltimore, Maryland. Ms. Cerrato is rated as an Experienced provider by MediFind in the treatment of Mast Cell Activation Syndrome (MCAS). Her top areas of expertise are Systemic Sclerosis (SSc), Sphincter of Oddi Dysfunction, Neurogenic Bowel, and Opioid Induced Constipation.

      Experienced in Mast Cell Activation Syndrome (MCAS)
      Nurse Practitioner
      Experienced in Mast Cell Activation Syndrome (MCAS)
      Nurse Practitioner

      Asthma And Allergy Center LLC

      120 Sister Pierre Dr, Suite 201, 
      Towson, MD 
       (6.7 miles away)
      Languages Spoken:
      English

      Emily Cooper is a Nurse Practitioner in Towson, Maryland. Ms. Cooper is rated as an Experienced provider by MediFind in the treatment of Mast Cell Activation Syndrome (MCAS). Her top areas of expertise are Mast Cell Activation Syndrome (MCAS), Vitamin D Deficiency, and Vocal Cord Dysfunction.

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

      Office

      1838 Greene Tree Rd Ste 260, 
      Pikesville, MD 
       (8.6 miles away)
      Languages Spoken:
      English

      Elizabeth Daniel is an Internal Medicine provider in Pikesville, Maryland. Dr. Daniel is rated as an Experienced provider by MediFind in the treatment of Mast Cell Activation Syndrome (MCAS). Her top areas of expertise are Angioedema, Allergic Rhinitis, Sinusitis, and Allergic Conjunctivitis.

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

      Johns Hopkins Health Care & Surgery Center - Green Spring Station, Lutherville

      Lutherville Timonium, MD 
       (10.4 miles away)
      Languages Spoken:
      English
      Offers Telehealth

      Lisa Simonson is a primary care provider, practicing in Internal Medicine in Lutherville Timonium, Maryland. Dr. Simonson is rated as an Experienced provider by MediFind in the treatment of Mast Cell Activation Syndrome (MCAS). Her top areas of expertise are Prerenal Azotemia, Familial Hypertension, Glucocorticoid-Remediable Aldosteronism, and Hypertension.

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

      Office

      6021 University Blvd Ste 265, 
      Ellicott City, MD 
       (10.5 miles away)
      Languages Spoken:
      English

      Sathvik Balaram is a Pediatrics provider in Ellicott City, Maryland. Dr. Balaram is rated as an Advanced provider by MediFind in the treatment of Mast Cell Activation Syndrome (MCAS). His top areas of expertise are Allergic Rhinitis, Sinusitis, Hives, and Grass Allergy.

      Jonathan Matz
      Experienced in Mast Cell Activation Syndrome (MCAS)
      Internal Medicine
      Experienced in Mast Cell Activation Syndrome (MCAS)
      Internal Medicine

      Sudhir Sekhsaria M. D. PC

      5430 Campbell Blvd Ste 103, 
      White Marsh, MD 
       (12.9 miles away)
      Languages Spoken:
      English

      Jonathan Matz is an Internal Medicine provider in White Marsh, Maryland. Dr. Matz 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 Hives.

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

      Sudhir Sekhsaria M. D. PC

      5430 Campbell Blvd Ste 103, 
      White Marsh, MD 
       (12.9 miles away)
      Languages Spoken:
      English

      Manav Singla is an Allergy and Immunologist in White Marsh, Maryland. Dr. Singla 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, Sinusitis, Grass Allergy, and Hives.

      Showing 1-13 of 13

      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 near Baltimore, MD?

      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 Baltimore, MD?

      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 near Baltimore, MD?

      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 Baltimore, MD?

      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 Baltimore, MD?

      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 Baltimore, MD?

      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 Baltimore, MD?

      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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