The 20 Best Mast Cell Activation Syndrome (MCAS) Doctors Near Me in Kansas City, MO

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

Last Updated: 09/26/2026

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MediFind found 36 doctor with experience in Mast Cell Activation Syndrome (MCAS) near Kansas City, MO. Of these, 31 are Experienced, 4 are Advanced and 1 are Elite.

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36 providers found
    Elite in Mast Cell Activation Syndrome (MCAS)
    Gastroenterology
    Elite in Mast Cell Activation Syndrome (MCAS)
    Gastroenterology
    Referral may be required

    Specialist In Gastroenterology

    11525 Olde Cabin Rd, 
    Saint Louis, MO 
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Leonard Weinstock is a Gastroenterologist practicing medicine in Saint Louis, Missouri. Dr. Weinstock is rated as an Elite provider by MediFind in the treatment of Mast Cell Activation Syndrome (MCAS). He is also highly rated in 37 other conditions, according to our data. His clinical expertise encompasses Mast Cell Activation Syndrome (MCAS), Irritable Bowel Syndrome (IBS), Small Bowel Bacterial Overgrowth, Colonoscopy, and Endoscopy. Dr. Weinstock is currently accepting new patients.

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

    Office

    4901 Forest Park Ave, 
    Saint Louis, MO 
    Languages Spoken:
    English
    Accepting New Patients

    Brian Kim is a Dermatologist practicing medicine in Saint Louis, Missouri. Dr. Kim is rated as an Experienced provider by MediFind in the treatment of Mast Cell Activation Syndrome (MCAS). His clinical expertise encompasses Scabies, Mast Cell Activation Syndrome (MCAS), Prurigo Nodularis, and Hives. Dr. Kim is currently accepting new patients.

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

    Washington University

    660 S Euclid Ave, 
    Saint Louis, MO 
    Languages Spoken:
    English
    Accepting New Patients

    Stephen Oh is a Hematologist practicing medicine in Saint Louis, Missouri. Dr. Oh is rated as an Advanced provider by MediFind in the treatment of Mast Cell Activation Syndrome (MCAS). He is also highly rated in 21 other conditions, according to our data. His clinical expertise encompasses Myelofibrosis, Myeloproliferative Neoplasms (MPN), Essential Thrombocythemia, Polycythemia Vera, and Pancreaticoduodenectomy. Dr. Oh is currently accepting new patients.

    Learn about our expert tiers
    Advanced in Mast Cell Activation Syndrome (MCAS)
    Internal Medicine
    Advanced in Mast Cell Activation Syndrome (MCAS)
    Internal Medicine

    Office

    1110 Highlands Plaza Dr E Ste 300, 
    Saint Louis, MO 
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Jennifer Monroy is a primary care provider, practicing in Internal Medicine in Saint Louis, Missouri. Dr. Monroy is rated as an Advanced provider by MediFind in the treatment of Mast Cell Activation Syndrome (MCAS). She is also highly rated in 10 other conditions, according to our data. Her clinical expertise encompasses Common Variable Immune Deficiency, Primary Immunodeficiency (PID), Ganglioglioma, and Epidermal Nevus. Dr. Monroy is currently accepting new patients.

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

    Mercy Infusion Therapy-Joplin

    3001 Mc Clelland Blvd, 
    Joplin, MO 
    Languages Spoken:
    English, German
    Accepting New Patients

    David Croy is a Hematologist practicing medicine in Joplin, Missouri. Dr. Croy is rated as an Advanced provider by MediFind in the treatment of Mast Cell Activation Syndrome (MCAS). He is also highly rated in 11 other conditions, according to our data. His clinical expertise encompasses Classical Hodgkin Lymphoma, Hodgkin Lymphoma, Thrombocytopenia, Autoimmune Hemolytic Anemia, and Bone Marrow Aspiration. Dr. Croy 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

    Kansas City Physician Partners Inc.

    4440 Broadway Blvd, 
    Kansas City,, MO 
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Neha Patel is an Allergy and Immunologist practicing medicine in Kansas City,, Missouri. Dr. Patel is rated as an Advanced provider by MediFind in the treatment of Mast Cell Activation Syndrome (MCAS). She is also highly rated in 14 other conditions, according to our data. Her clinical expertise encompasses Primary Immunodeficiency (PID), Immunodeficiency with Hyper IgM Type 1, Chronic Spontaneous Urticaria (CSU), and Vibratory Urticaria. Dr. Patel is currently accepting new patients.

    Experienced in Mast Cell Activation Syndrome (MCAS)
    Neurology | Neuromusculoskeletal Medicine
    Experienced in Mast Cell Activation Syndrome (MCAS)
    Neurology | Neuromusculoskeletal Medicine
    Referral may be required

    SSM Health Neurosciences

    1055 Bowles Ave., 
    Fenton, MO 
    Languages Spoken:
    English, Spanish
    Accepting New Patients
    Offers Telehealth

    Laurence Kinsella is a Neurologist and a Neuromusculoskeletal Medicine provider practicing medicine in Fenton, Missouri. Dr. Kinsella is rated as an Experienced provider by MediFind in the treatment of Mast Cell Activation Syndrome (MCAS). He is also highly rated in 27 other conditions, according to our data. His clinical expertise encompasses Migraine, Orthostatic Hypotension, Parkinson's Disease, and Congenital Mirror Movement Disorder. Dr. Kinsella is board certified in American Board Of Psychiatry & Neurology , Missouri Dept Of Health/Narcotics&Dangerous Drugs , Missouri State Board Of Registration, American Board Of Internal Medicine , Drug Enforcement Administration , and American Board Of Physical Medicine & Rehabilitation/Neuromuscular Medicine . Dr. Kinsella is currently accepting new patients.

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

    Englewood Center

    101 Northwest Englewood Road, Suite 130, 
    Gladstone, MO 
    Languages Spoken:
    English, Spanish
    Accepting New Patients
    Offers Telehealth

    Selina Gierer is a Pediatric Allergy and Immunologist practicing medicine in Gladstone, Missouri. Dr. Gierer 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 Common Variable Immune Deficiency, Anaphylaxis, X-Linked Agammaglobulinemia, and Severe Combined Immunodeficiency (SCID). Dr. Gierer is board certified in American Board Of Allergy And Immunology, Allergy And Immunology - 2011. Dr. Gierer 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

    Kansas City Physician Partners Inc.

    4440 Broadway Blvd, 
    Kansas City, MO 
    Languages Spoken:
    English
    Accepting New Patients

    Travis Sifers is an Allergy and Immunologist practicing medicine in Kansas City, Missouri. Dr. Sifers is rated as an Experienced provider by MediFind in the treatment of Mast Cell Activation Syndrome (MCAS). He is also highly rated in 3 other conditions, according to our data. His clinical expertise encompasses Common Variable Immune Deficiency, Hives, Primary Immunodeficiency (PID), and Angioedema. Dr. Sifers 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

    Signature Allergy & Immunology

    425 N New Ballas Rd, Suite 203, 
    Creve Coeur, MO 
    Languages Spoken:
    English, Hindi
    Accepting New Patients
    Offers Telehealth

    Hamsa Subramanian is an Allergy and Immunologist practicing medicine in Creve Coeur, Missouri. Dr. Subramanian is rated as an Experienced provider by MediFind in the treatment of Mast Cell Activation Syndrome (MCAS). She is also highly rated in 24 other conditions, according to our data. Her clinical expertise encompasses Hives, Common Variable Immune Deficiency, Angioedema, and Allergic Rhinitis. Dr. Subramanian 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

    Kansas City Physician Partners Inc.

    4440 Broadway Blvd, 
    Kansas City, MO 
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Zachary Jacobs is an Allergy and Immunologist practicing medicine in Kansas City, Missouri. Dr. Jacobs is rated as an Experienced provider by MediFind in the treatment of Mast Cell Activation Syndrome (MCAS). He is also highly rated in 11 other conditions, according to our data. His clinical expertise encompasses Primary Immunodeficiency (PID), Common Variable Immune Deficiency, Selective Deficiency of IgA, and Allergic Rhinitis. Dr. Jacobs 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

    Grove Professional Pharmacy Inc

    1001 E Primrose St, 
    Springfield, MO 
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Minh-thu Le is an Allergy and Immunologist practicing medicine in Springfield, Missouri. Dr. Le is rated as an Experienced provider by MediFind in the treatment of Mast Cell Activation Syndrome (MCAS). She is also highly rated in 7 other conditions, according to our data. Her clinical expertise encompasses Allergic Rhinitis, Common Variable Immune Deficiency, Sinusitis, and Grass Allergy. Dr. Le is currently accepting new patients.

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

    Saint Louis University

    3660 Vista Ave, 
    Saint Louis,, MO 
    Languages Spoken:
    English
    Accepting New Patients

    Sonia Mathew is a primary care provider, practicing in Internal Medicine in Saint Louis,, Missouri. Dr. Mathew is rated as an Experienced provider by MediFind in the treatment of Mast Cell Activation Syndrome (MCAS). She is also highly rated in 7 other conditions, according to our data. Her clinical expertise encompasses Allergic Rhinitis, Empyema, Grass Allergy, and Sinusitis. Dr. Mathew 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

    Office

    10 Barnes West Dr Ste 200, 
    Saint Louis, MO 
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    H Wedner is an Allergy and Immunologist practicing medicine in Saint Louis, Missouri. Dr. Wedner is rated as an Experienced provider by MediFind in the treatment of Mast Cell Activation Syndrome (MCAS). He is also highly rated in 14 other conditions, according to our data. His clinical expertise encompasses Common Variable Immune Deficiency, Primary Immunodeficiency (PID), Bloom Syndrome, and Urticaria Pigmentosa. Dr. Wedner is currently accepting new patients.

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

    Parkland Health Center-Farmington Community

    1101 W Liberty St, 
    Farmington, MO 
    Languages Spoken:
    English, Spanish, Urdu
    Accepting New Patients

    Zahid Kaleem is a Hematologist practicing medicine in Farmington, Missouri. Dr. Kaleem is rated as an Experienced provider by MediFind in the treatment of Mast Cell Activation Syndrome (MCAS). He is also highly rated in 3 other conditions, according to our data. His clinical expertise encompasses Gallbladder Disease, Non-Muscle Invasive Bladder Cancer, Muscle Invasive Bladder Cancer, and Leukocytosis. Dr. Kaleem is currently accepting new patients.

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

    The Orthopedic Center Of St. Louis

    10 Barnes West Dr Ste 200, 
    Creve Coeur, MO 
    Languages Spoken:
    English
    Accepting New Patients

    Charles Crecelius is a Geriatrics provider practicing medicine in Creve Coeur, Missouri. Dr. Crecelius is rated as an Experienced provider by MediFind in the treatment of Mast Cell Activation Syndrome (MCAS). He is also highly rated in 2 other conditions, according to our data. His clinical expertise encompasses End-Stage Renal Disease (ESRD), Pneumonia, Vascular Dementia, Colonoscopy, and Hip Replacement. Dr. Crecelius 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

    Grove Professional Pharmacy Inc

    1001 E Primrose St, 
    Springfield, MO 
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    William Micka is an Allergy and Immunologist practicing medicine in Springfield, Missouri. Dr. Micka is rated as an Experienced provider by MediFind in the treatment of Mast Cell Activation Syndrome (MCAS). He is also highly rated in 7 other conditions, according to our data. His clinical expertise encompasses Common Variable Immune Deficiency, Primary Immunodeficiency (PID), Allergic Rhinitis, and Sinusitis. Dr. Micka is currently accepting new patients.

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

    St. Louis Children's Hospital

    1 Childrens Pl, 
    Saint Louis, MO 
    Languages Spoken:
    English
    Accepting New Patients

    Caroline Horner is a Pediatrics provider practicing medicine in Saint Louis, Missouri. Dr. Horner 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) and Chronic Spontaneous Urticaria (CSU). Dr. Horner is currently accepting new patients.

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

    St. Luke's Family Physicians - Westglen

    225 Clarkson Rd, 
    Ellisville, MO 
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Barbara O'brien is a primary care provider, practicing in Family Medicine in Ellisville, Missouri. Dr. O'brien is rated as an Experienced provider by MediFind in the treatment of Mast Cell Activation Syndrome (MCAS). Her clinical expertise encompasses Hypertension, Familial Hypertension, Glucocorticoid-Remediable Aldosteronism, and Diabetic Nephropathy. Dr. O'brien is currently accepting new patients.

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

    VAMC St. Louis MO

    915 N Grand Blvd, 
    Saint Louis, MO 
    Languages Spoken:
    English

    Elaine Hutchison is a primary care provider, practicing in Internal Medicine in Saint Louis, Missouri. Dr. Hutchison 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 Epidermal Nevus, Ganglioglioma, Sciatica, and Mast Cell Activation Syndrome (MCAS).

    Showing 1-20 of 36

    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 Kansas City, MO?

    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 Kansas City, MO?

    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 Kansas City, MO?

    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 Kansas City, MO?

    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 Kansas City, MO?

    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 Kansas City, MO?

    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 Kansas City, MO?

    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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