The 20 Best Mast Cell Activation Syndrome (MCAS) Doctors Near Me in Indianapolis, IN

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

Last Updated: 09/26/2026

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MediFind found 42 doctor with experience in Mast Cell Activation Syndrome (MCAS) near Indianapolis, IN. Of these, 33 are Experienced, 8 are Advanced and 1 are Distinguished.

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42 providers found
    Experienced in Mast Cell Activation Syndrome (MCAS)
    Family Medicine
    Experienced in Mast Cell Activation Syndrome (MCAS)
    Family Medicine

    Office

    7230 Engle Rd Ste 100, 
    Fort Wayne, IN 
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Kevin Witt is a primary care provider, practicing in Family Medicine in Fort Wayne, Indiana. Dr. Witt is rated as an Experienced provider by MediFind in the treatment of Mast Cell Activation Syndrome (MCAS). He is also highly rated in 10 other conditions, according to our data. His clinical expertise encompasses Glucocorticoid-Remediable Aldosteronism, Hypertension, Familial Hypertension, and Premature Ovarian Failure. Dr. Witt is currently accepting new patients.

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

    Central Indiana AMG Specialty Hospital

    2401 W University Ave, 
    Muncie, IN 
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Ryan Bean is a primary care provider, practicing in Internal Medicine in Muncie, Indiana. Dr. Bean 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 Musculocontractural Ehlers-Danlos Syndrome (mcEDS), Scurvy, Ehlers-Danlos Syndrome (EDS), and Folate Deficiency. Dr. Bean is currently accepting new patients.

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

    Iu Health Primary Care-Indianapolis

    1040 Wishard Blvd, 
    Indianapolis, IN 
    Languages Spoken:
    English, Spanish
    Accepting New Patients
    Offers Telehealth

    Carol Dellinger is a primary care provider, practicing in Family Medicine in Indianapolis, Indiana. Dr. Dellinger is rated as an Experienced provider by MediFind in the treatment of Mast Cell Activation Syndrome (MCAS). She is also highly rated in 1 other condition, according to our data. Her clinical expertise encompasses Chronic Pain, Fibromyalgia, Opioid Use Disorder, and Maturity Onset Diabetes of the Young. Dr. Dellinger is currently accepting new patients.

    Learn about our expert tiers
    Distinguished in Mast Cell Activation Syndrome (MCAS)
    Medical Genetics
    Distinguished in Mast Cell Activation Syndrome (MCAS)
    Medical Genetics
    Referral may be required

    Iu Health Medical Group, LLC

    1701 N Senate Blvd, 
    Indianapolis, IN 
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Clair Francomano is a Medical Genetics provider practicing medicine in Indianapolis, Indiana. Dr. Francomano is rated as a Distinguished provider by MediFind in the treatment of Mast Cell Activation Syndrome (MCAS). She is also highly rated in 6 other conditions, according to our data. Her clinical expertise encompasses Ehlers-Danlos Syndrome (EDS), Vascular Ehlers-Danlos Syndrome (VEDS), Brittle Cornea Syndrome, Musculocontractural Ehlers-Danlos Syndrome (mcEDS), and Spinal Fusion. Dr. Francomano is currently accepting new patients.

    Advanced in Mast Cell Activation Syndrome (MCAS)
    Allergy and Immunology
    Advanced in Mast Cell Activation Syndrome (MCAS)
    Allergy and Immunology
    Referral may be required

    Allergy Partners Of Greenwood - Mooresville

    902 N. Samuel Moore Pkwy, 
    Mooresville, IN 
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    William Smith is an Allergy and Immunologist practicing medicine in Mooresville, Indiana. Dr. Smith is rated as an Advanced provider by MediFind in the treatment of Mast Cell Activation Syndrome (MCAS). He is also highly rated in 15 other conditions, according to our data. His clinical expertise encompasses Allergic Rhinitis, Sinusitis, Grass Allergy, and Hives. Dr. Smith is board certified in American Board Of Allergy And Immunology and American Board Of Internal Medicine. Dr. Smith is currently accepting new patients.

    Advanced in Mast Cell Activation Syndrome (MCAS)
    Allergy and Immunology
    Advanced in Mast Cell Activation Syndrome (MCAS)
    Allergy and Immunology
    Referral may be required

    Allergy Partners Of Central Indiana - Indianapolis - Meridian

    9002 N Meridian St., 
    Indianapolis, IN 
    Languages Spoken:
    English, Spanish
    Accepting New Patients
    Offers Telehealth

    Tolly Epstein is an Allergy and Immunologist practicing medicine in Indianapolis, Indiana. Dr. Epstein is rated as an Advanced provider by MediFind in the treatment of Mast Cell Activation Syndrome (MCAS). She is also highly rated in 23 other conditions, according to our data. Her clinical expertise encompasses Allergic Rhinitis, Sinusitis, Grass Allergy, and Hives. Dr. Epstein is board certified in American Board Of Allergy & Immunology and American Board Of Internal Medicine . Dr. Epstein is currently accepting new patients.

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

    Indiana University Health University Hospital

    550 University Blvd, 
    Indianapolis, IN 
    Languages Spoken:
    English
    Accepting New Patients

    Natascia Borsellino is a primary care provider, practicing in Family Medicine in Indianapolis, Indiana. Dr. Borsellino is rated as an Experienced provider by MediFind in the treatment of Mast Cell Activation Syndrome (MCAS). She is also highly rated in 5 other conditions, according to our data. Her clinical expertise encompasses Generalized Anxiety Disorder (GAD), Attention Deficit Hyperactivity Disorder (ADHD), Acne, Migraine with Brainstem Aura, and Intrauterine Device Insertion. Dr. Borsellino is currently accepting new patients.

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

    Office

    11725 Illinois St Ste 250, 
    Carmel, IN 
    Languages Spoken:
    English
    Accepting New Patients

    Jennifer Mardos is a primary care provider, practicing in Family Medicine in Carmel, Indiana. Dr. Mardos is rated as an Experienced provider by MediFind in the treatment of Mast Cell Activation Syndrome (MCAS). She is also highly rated in 9 other conditions, according to our data. Her clinical expertise encompasses Congenital Sucrase-Isomaltase Deficiency, Glucose Phosphate Isomerase Deficiency, Glucose-Galactose Malabsorption Deficiency, and Attention Deficit Hyperactivity Disorder (ADHD). Dr. Mardos is currently accepting new patients.

    Advanced in Mast Cell Activation Syndrome (MCAS)
    Nurse Practitioner
    Advanced in Mast Cell Activation Syndrome (MCAS)
    Nurse Practitioner
    Referral may be required

    Office

    4880 Century Plaza Rd, 
    Indianapolis, IN 
    Languages Spoken:
    English
    Accepting New Patients

    Sarah Book is a Nurse Practitioner practicing medicine in Indianapolis, Indiana. Book, NP is rated as an Advanced provider by MediFind in the treatment of Mast Cell Activation Syndrome (MCAS). She is also highly rated in 1 other condition, according to our data. Her clinical expertise encompasses Mast Cell Activation Syndrome (MCAS) and Thymidine Kinase 2 Deficiency (TK2d). Book, NP is currently accepting new patients.

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

    IU Health Physicians Pulmonary & Critical Care Medicine

    1801 Senate Blvd Ste 230, 
    Indianapolis, IN 
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Craig Sewell is a primary care provider, practicing in Internal Medicine in Indianapolis, Indiana. Dr. Sewell is rated as an Advanced provider by MediFind in the treatment of Mast Cell Activation Syndrome (MCAS). He is also highly rated in 30 other conditions, according to our data. His clinical expertise encompasses Angioedema, Episcleritis, Mastoiditis, and Mast Cell Activation Syndrome (MCAS). Dr. Sewell is currently accepting new patients.

    Advanced in Mast Cell Activation Syndrome (MCAS)
    Nurse Practitioner
    Advanced in Mast Cell Activation Syndrome (MCAS)
    Nurse Practitioner
    Referral may be required

    The Christ Hospital Cardiovascular Associates LLC

    321 Mitchell Ave, 
    Batesville, IN 
    Languages Spoken:
    English
    Accepting New Patients

    Melinda Sheppard is a Nurse Practitioner practicing medicine in Batesville, Indiana. Sheppard, NP is rated as an Advanced provider by MediFind in the treatment of Mast Cell Activation Syndrome (MCAS). She is also highly rated in 6 other conditions, according to our data. Her clinical expertise encompasses Paroxysmal Supraventricular Tachycardia (PSVT), Atrial Tachycardia, Atrioventricular Nodal Reentrant Tachycardia (AVNRT), and Mast Cell Activation Syndrome (MCAS). Sheppard, NP is currently accepting new patients.

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

    Iu Health Arnett-2600 Ferry Street

    2600 Ferry St, 
    Lafayette, IN 
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Jay Prochnau is a primary care provider, practicing in Internal Medicine in Lafayette, Indiana. Dr. Prochnau is rated as an Advanced provider by MediFind in the treatment of Mast Cell Activation Syndrome (MCAS). He is also highly rated in 24 other conditions, according to our data. His clinical expertise encompasses Empyema, Sinusitis, Allergic Rhinitis, and Grass Allergy. Dr. Prochnau is currently accepting new patients.

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

    Riley Hospital For Children At Indiana University Health

    705 Riley Hospital Dr, 
    Indianapolis, IN 
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Jay Jin is a primary care provider, practicing in Internal Medicine in Indianapolis, Indiana. Dr. Jin is rated as an Advanced provider by MediFind in the treatment of Mast Cell Activation Syndrome (MCAS). He is also highly rated in 38 other conditions, according to our data. His clinical expertise encompasses Mastoiditis, Selective Deficiency of IgA, Neuroretinitis, and Urticaria Pigmentosa. Dr. Jin is currently accepting new patients.

    Advanced in Mast Cell Activation Syndrome (MCAS)
    Pediatric Pulmonology
    Advanced in Mast Cell Activation Syndrome (MCAS)
    Pediatric Pulmonology
    Referral may be required

    Allergy & Asthma Center PC

    7222 Engle Rd, 
    Fort Wayne, IN 
    Languages Spoken:
    English
    Offers Telehealth

    William Smits is a Pediatric Pulmonologist practicing medicine in Fort Wayne, Indiana. Dr. Smits is rated as an Advanced provider by MediFind in the treatment of Mast Cell Activation Syndrome (MCAS). He is also highly rated in 1 other condition, according to our data. His clinical expertise encompasses Mast Cell Activation Syndrome (MCAS), Asthma, Chronic Rhinosinusitis with Nasal Polyps (CRSwNP), and Pulmonary Fibrosis.

    Experienced in Mast Cell Activation Syndrome (MCAS)
    Allergy and Immunology
    Experienced in Mast Cell Activation Syndrome (MCAS)
    Allergy and Immunology
    Referral may be required

    Allergy Partners Of Central Indiana - Indianapolis - Meridian

    9002 N Meridian St., 
    Indianapolis, IN 
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Steven Wise is an Allergy and Immunologist practicing medicine in Indianapolis, Indiana. Dr. Wise is rated as an Experienced provider by MediFind in the treatment of Mast Cell Activation Syndrome (MCAS). He is also highly rated in 19 other conditions, according to our data. His clinical expertise encompasses Allergic Rhinitis, Sinusitis, Grass Allergy, and Hives. Dr. Wise is board certified in American Board Of Allergy And Immunology and American Board Of Internal Medicine . Dr. Wise is currently accepting new patients.

    Experienced in Mast Cell Activation Syndrome (MCAS)
    Nurse Practitioner
    Experienced in Mast Cell Activation Syndrome (MCAS)
    Nurse Practitioner
    Referral may be required

    Allergy Partners Of Central Indiana

    6781 E US Highway 36 Ste 300, 
    Avon, IN 
    Languages Spoken:
    English
    Accepting New Patients

    Steele Summers is a Nurse Practitioner practicing medicine in Avon, Indiana. Summers, NP is rated as an Experienced provider by MediFind in the treatment of Mast Cell Activation Syndrome (MCAS). Her clinical expertise encompasses Mast Cell Activation Syndrome (MCAS), Chronic Spontaneous Urticaria (CSU), Vocal Cord Dysfunction, and Chronic Rhinosinusitis with Nasal Polyps (CRSwNP). Summers, NP is currently accepting new patients.

    Experienced in Mast Cell Activation Syndrome (MCAS)
    Allergy and Immunology
    Experienced in Mast Cell Activation Syndrome (MCAS)
    Allergy and Immunology
    Referral may be required

    Allergy Partners Of Greenwood - Mooresville

    902 N. Samuel Moore Pkwy, 
    Mooresville, IN 
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    John Duplantier is an Allergy and Immunologist practicing medicine in Mooresville, Indiana. Dr. Duplantier 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 Allergic Rhinitis, Sinusitis, Grass Allergy, and Allergic Conjunctivitis. Dr. Duplantier is board certified in American Board Of Allergy And Immunology. Dr. Duplantier is currently accepting new patients.

    Experienced in Mast Cell Activation Syndrome (MCAS)
    Allergy and Immunology
    Experienced in Mast Cell Activation Syndrome (MCAS)
    Allergy and Immunology
    Referral may be required

    Allergy Partners Of Central Indiana

    3266 N Meridian St, Ste 900, 
    Indianapolis, IN 
    Languages Spoken:
    English, French, Hindi, Urdu
    Accepting New Patients
    Offers Telehealth

    Nabeel Farooqui is an Allergy and Immunologist practicing medicine in Indianapolis, Indiana. Dr. Farooqui is rated as an Experienced provider by MediFind in the treatment of Mast Cell Activation Syndrome (MCAS). He is also highly rated in 17 other conditions, according to our data. His clinical expertise encompasses Allergic Rhinitis, Sinusitis, Grass Allergy, and Nonallergic Rhinopathy. Dr. Farooqui is board certified in American Board Of Allergy And Immunology , American Board Of Internal Medicine, and The American Board Of Allergy And Immunology - Allergy And Immunology. Dr. Farooqui is currently accepting new patients.

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

    Beacon Medical Group E Blair Warner

    714 N Michigan St, 
    South Bend, IN 
    Languages Spoken:
    English
    Accepting New Patients

    Kari Sears is a primary care provider, practicing in Family Medicine in South Bend, Indiana. Dr. Sears is rated as an Experienced provider by MediFind in the treatment of Mast Cell Activation Syndrome (MCAS). She is also highly rated in 2 other conditions, according to our data. Her clinical expertise encompasses Hypothyroidism, Attention Deficit Hyperactivity Disorder (ADHD), Glucocorticoid-Remediable Aldosteronism, Endoscopy, and Cardiac Ablation. Dr. Sears is currently accepting new patients.

    Experienced in Mast Cell Activation Syndrome (MCAS)
    Allergy and Immunology
    Experienced in Mast Cell Activation Syndrome (MCAS)
    Allergy and Immunology
    Referral may be required

    Geist Center For Allergy, Asthma &Immunology, P.C.

    8150 Oaklandon Rd, Ste 119, 
    Indianapolis, IN 
    Languages Spoken:
    English, Filipino, Spanish
    Accepting New Patients
    Offers Telehealth

    Maria Ermitano is an Allergy and Immunologist practicing medicine in Indianapolis, Indiana. Dr. Ermitano is rated as an Experienced provider by MediFind in the treatment of Mast Cell Activation Syndrome (MCAS). She is also highly rated in 11 other conditions, according to our data. Her clinical expertise encompasses Allergic Rhinitis, Sinusitis, Grass Allergy, and Hives. Dr. Ermitano is board certified in The American Board Of Allergy And Immunology - Allergy And Immunology. Dr. Ermitano is currently accepting new patients.

    Showing 1-20 of 42

    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 Indianapolis, IN?

    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 Indianapolis, IN?

    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 Indianapolis, IN?

    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 Indianapolis, IN?

    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 Indianapolis, IN?

    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 Indianapolis, IN?

    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 Indianapolis, IN?

    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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