The 20 Best Mast Cell Activation Syndrome (MCAS) Doctors Near Me in Palo Alto, CA

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

Last Updated: 04/28/2026

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MediFind found 30 doctor with experience in Mast Cell Activation Syndrome (MCAS) near Palo Alto, CA. Of these, 23 are Experienced, 5 are Advanced, 1 are Distinguished and 1 are Elite.

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30 providers found
    Elite in Mast Cell Activation Syndrome (MCAS)
    Hematology
    Elite in Mast Cell Activation Syndrome (MCAS)
    Hematology

    Stanford University

    875 Blake Wilbur Dr, 
    Palo Alto, CA 
     (1.9 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Jason Gotlib is a Hematologist practicing medicine in Palo Alto, California. Dr. Gotlib is rated as an Elite provider by MediFind in the treatment of Mast Cell Activation Syndrome (MCAS). He is also highly rated in 42 other conditions, according to our data. His clinical expertise encompasses Systemic Mastocytosis, Mast Cell Activation Syndrome (MCAS), Myelofibrosis, Bone Marrow Aspiration, and Tissue Biopsy.

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

    Stanford University

    875 Blake Wilbur Dr, 
    Palo Alto, CA 
     (1.9 miles away)
    Experience:
    17+ years
    Languages Spoken:
    English
    Offers Telehealth

    William Shomali is a Hematologist practicing medicine in Palo Alto, California. He has been practicing medicine for over 17 years. Dr. Shomali is rated as a Distinguished provider by MediFind in the treatment of Mast Cell Activation Syndrome (MCAS). He is also highly rated in 29 other conditions, according to our data. His clinical expertise encompasses Systemic Mastocytosis, Mast Cell Activation Syndrome (MCAS), Acute Myeloid Leukemia (AML), Chronic Myelogenous Leukemia (CML), and Bone Marrow Aspiration.

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

    Outpatient Neurologic Rehabilitation Program

    213 Quarry Rd, 
    Palo Alto, CA 
     (1.4 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Safwan Jaradeh is a Neurologist practicing medicine in Palo Alto, California. Dr. Jaradeh is rated as an Experienced provider by MediFind in the treatment of Mast Cell Activation Syndrome (MCAS). He is also highly rated in 33 other conditions, according to our data. His clinical expertise encompasses Familial Dysautonomia, Orthostatic Hypotension, Low Blood Pressure, and Dopamine Beta-Hydroxylase Deficiency.

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

    Stanford Hospital And Clinics

    965 High St, 
    Palo Alto, CA 
     (0.8 miles away)
    Languages Spoken:
    English

    Laura Pace is an Internal Medicine provider practicing medicine in Palo Alto, California. Dr. Pace is rated as an Advanced 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 Mast Cell Activation Syndrome (MCAS), Hereditary Alpha-Tryptasemia, Gastrointestinal Bleeding, and Berdon Syndrome.

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

    Stanford Hospital And Clinics

    965 High St, 
    Palo Alto, CA 
     (0.8 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    John Clarke is a Gastroenterologist practicing medicine in Palo Alto, California. Dr. Clarke is rated as an Advanced provider by MediFind in the treatment of Mast Cell Activation Syndrome (MCAS). He is also highly rated in 36 other conditions, according to our data. His clinical expertise encompasses Achalasia, Painful Swallowing, Swallowing Difficulty, Endoscopy, and Colonoscopy.

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

    Office

    300 Pasteur Dr, 
    Stanford, CA 
     (1.9 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Linda Nguyen is a Gastroenterologist practicing medicine in Stanford, California. Dr. Nguyen is rated as an Advanced provider by MediFind in the treatment of Mast Cell Activation Syndrome (MCAS). She is also highly rated in 25 other conditions, according to our data. Her clinical expertise encompasses Irritable Bowel Syndrome (IBS), Gastroparesis, Intestinal Pseudo-Obstruction, Thrombectomy, and Colonoscopy.

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

    Radiology-Menlo Medical Clinic In Menlo Park-1300 Crane

    1300 Crane St, 
    Menlo Park, CA 
     (2.6 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Anna Postolova is a Rheumatologist practicing medicine in Menlo Park, California. Dr. Postolova 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 Allergic Rhinitis, Sinusitis, Hives, and Mast Cell Activation Syndrome (MCAS).

    Experienced in Mast Cell Activation Syndrome (MCAS)
    Allergy and Immunology
    Experienced in Mast Cell Activation Syndrome (MCAS)
    Allergy and Immunology
    Mountain View, CA 
     (5.3 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Michael Mulligan is an Allergy and Immunologist practicing medicine in Mountain View, California. Dr. Mulligan 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 Allergic Rhinitis, Sinusitis, Grass Allergy, and Nonallergic Rhinopathy. Dr. Mulligan is board certified in Allergy And Immunology - Board Certified and Not ABMS Specialty. Dr. Mulligan is currently accepting new patients.

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

    Sunnyvale Center (301)

    301 Old San Francisco Road, 
    Sunnyvale, CA 
     (8.0 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Edmund Tai is an Oncologist practicing medicine in Sunnyvale, California. Dr. Tai is rated as an Experienced provider by MediFind in the treatment of Mast Cell Activation Syndrome (MCAS). He is also highly rated in 95 other conditions, according to our data. His clinical expertise encompasses Anemia, Vitamin D Deficiency, Iron Deficiency Anemia, and Thrombocytopenia. Dr. Tai is board certified in Medical Oncology - Board Certified and In Medical Oncology And Internal Medicine. Dr. Tai is currently accepting new patients.

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

    Stanford Hospital And Clinics

    965 High St, 
    Palo Alto, CA 
     (0.8 miles away)
    Experience:
    17+ years
    Languages Spoken:
    English
    Offers Telehealth

    Jennifer Camacho is an Internal Medicine provider practicing medicine in Palo Alto, California. She has been practicing medicine for over 17 years. Dr. Camacho 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 Grass Allergy, Allergic Rhinitis, Sinusitis, and Food Allergy.

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

    Stanford Hospital And Clinics

    965 High St, 
    Palo Alto, CA 
     (0.8 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Neha Shah is a Rheumatologist practicing medicine in Palo Alto, California. Dr. Shah is rated as an Experienced provider by MediFind in the treatment of Mast Cell Activation Syndrome (MCAS). She is also highly rated in 22 other conditions, according to our data. Her clinical expertise encompasses Relapsing Polychondritis, Dermatomyositis, Juvenile Temporal Arteritis, and Giant Cell Arteritis (GCA).

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

    Imaging Clinic At Hoover Pavilion 1 In Palo Alto

    211 Quarry Rd, 
    Palo Alto, CA 
     (1.4 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Anita Choy is an Allergy and Immunologist practicing medicine in Palo Alto, California. Dr. Choy 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 Sinusitis, Grass Allergy, Allergic Rhinitis, and Chronic Rhinosinusitis with Nasal Polyps (CRSwNP).

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

    Outpatient Neurologic Rehabilitation Program

    213 Quarry Rd, 
    Palo Alto, CA 
     (1.4 miles away)
    Experience:
    10+ years
    Languages Spoken:
    English
    Offers Telehealth

    Nicholas Larsen is a Neurologist practicing medicine in Palo Alto, California. He has been practicing medicine for over 10 years. Dr. Larsen 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 Orthostatic Hypotension, Low Blood Pressure, Familial Neurocardiogenic Syncope, and Fainting.

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

    Stanford Rehabilitation Clinic

    730 Welch Rd, 
    Palo Alto, CA 
     (1.8 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Anne Liu is an Infectious Disease provider practicing medicine in Palo Alto, California. Dr. Liu is rated as an Experienced provider by MediFind in the treatment of Mast Cell Activation Syndrome (MCAS). She is also highly rated in 19 other conditions, according to our data. Her clinical expertise encompasses Asthma, Pneumocystis Jiroveci Pneumonia, DRESS Syndrome, and Aspergillosis.

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

    Office

    300 Pasteur Dr, 
    Stanford, CA 
     (1.9 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Shelly Orloff is a Nurse Practitioner practicing medicine in Stanford, California. Ms. Orloff 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), Opioid Induced Constipation, Protein Deficiency, and Systemic Sclerosis (SSc).

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

    Stanford Health Care

    300 Pasteur Dr, 
    Stanford, CA 
     (1.9 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Faye Steiner is a Physician Assistant practicing medicine in Stanford, California. Ms. Steiner is rated as an Experienced provider by MediFind in the treatment of Mast Cell Activation Syndrome (MCAS). Her clinical expertise encompasses Neurogenic Bowel, Mast Cell Activation Syndrome (MCAS), and Protein Deficiency.

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

    Office

    300 Pasteur Dr # 154, 
    Stanford, CA 
     (1.9 miles away)
    Languages Spoken:
    English

    Emily Liang is a Hematologist practicing medicine in Stanford, California. Dr. Liang is rated as an Experienced provider by MediFind in the treatment of Mast Cell Activation Syndrome (MCAS). Her clinical expertise encompasses Systemic Mastocytosis, Leukemia, Mast Cell Activation Syndrome (MCAS), Bone Graft, and Bone Marrow Transplant.

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

    Radiology-Menlo Medical Clinic In Menlo Park-1300 Crane

    1300 Crane St, 
    Menlo Park, CA 
     (2.6 miles away)
    Experience:
    18+ years
    Languages Spoken:
    English
    Offers Telehealth

    Hannah Walford is an Allergy and Immunologist practicing medicine in Menlo Park, California. She has been practicing medicine for over 18 years. Dr. Walford is rated as an Experienced provider by MediFind in the treatment of Mast Cell Activation Syndrome (MCAS). She is also highly rated in 13 other conditions, according to our data. Her clinical expertise encompasses Allergic Rhinitis, Sinusitis, Grass Allergy, and Hives.

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

    Radiology-Menlo Medical Clinic In Menlo Park-1300 Crane

    1300 Crane St, 
    Menlo Park, CA 
     (2.6 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Jenna Nguyen is an Allergy and Immunologist practicing medicine in Menlo Park, California. Dr. Nguyen is rated as an Experienced provider by MediFind in the treatment of Mast Cell Activation Syndrome (MCAS). She is also highly rated in 8 other conditions, according to our data. Her clinical expertise encompasses Sinusitis, Allergic Rhinitis, Hives, and Asthma in Children.

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

    Anesthesia Preoperative Evaluation Clinic At Stanford Medicine Outpatient Center

    420 Broadway St, 
    Redwood City, CA 
     (4.4 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Irene Sonu is a Gastroenterologist practicing medicine in Redwood City, California. Dr. Sonu is rated as an Experienced provider by MediFind in the treatment of Mast Cell Activation Syndrome (MCAS). She is also highly rated in 40 other conditions, according to our data. Her clinical expertise encompasses Gastroparesis, Gastroesophageal Reflux Disease (GERD), Gastric Dysmotility, Endoscopy, and Colonoscopy.

    Showing 1-20 of 30

    Last Updated: 04/28/2026

    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 Palo Alto, CA?

    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 Palo Alto, CA?

    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 Palo Alto, CA?

    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 Palo Alto, CA?

    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 Palo Alto, CA?

    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 Palo Alto, CA?

    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 Palo Alto, CA?

    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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