The 20 Best Complement Component 2 Deficiency Doctors Near Me in New York, US

Find the Top Complement Component 2 Deficiency Experts and Specialists

The 20 Best Complement Component 2 Deficiency Doctors in New York, US

Last Updated: 02/22/2026

Save doctors for later
Sign Up
Not sure about your diagnosis?
Check Your Symptoms
Already have a doctor?
Find A Second Opinion

MediFind found 46 doctor with experience in Complement Component 2 Deficiency near New York, US. Of these, 36 are Experienced, 9 are Advanced and 1 are Distinguished.

Location
LocationClose
46 providers found
    Distinguished in Complement Component 2 Deficiency
    Allergy and Immunology
    Distinguished in Complement Component 2 Deficiency
    Allergy and Immunology

    Leonid Volfinzon Medical P.C.

    728 Ocean View Ave Ste 1, 
    Brooklyn, NY 
    Languages Spoken:
    English
    Offers Telehealth

    Lev Barsky is an Allergy and Immunologist in Brooklyn, New York. Dr. Barsky is rated as a Distinguished provider by MediFind in the treatment of Complement Component 2 Deficiency. His top areas of expertise are Grass Allergy, Sinusitis, Allergic Rhinitis, and Hyperphenylalaninemia Due to Dehydratase Deficiency.

    Advanced in Complement Component 2 Deficiency
    Allergy and Immunology
    Advanced in Complement Component 2 Deficiency
    Allergy and Immunology
    5 Cuba Hill Road, 
    Greenlawn, NY 
    Languages Spoken:
    English

    I am a specialist is Asthma Allergy & Immunology. I consider it an honor and a privilege to take care of all aspects of these disorders in both children and adults.My areas of expertise include allergic rhintisallergic conjuntivitisasthmahives angioedema anaphylactic reactions to foods medications stinging insects and any other possible agents. I also have a strong interest and expertise in disorders of the skin such as contact dermatitisas well as immunologic disorders. Dr. Korobow is rated as an Advanced provider by MediFind in the treatment of Complement Component 2 Deficiency. Her top areas of expertise are Angioedema, Exercise-Induced Anaphylaxis (EIA), Anaphylaxis, and Serum Sickness.

    Vincent R. Bonagura
    Experienced in Complement Component 2 Deficiency
    Allergy and Immunology | Pediatric Allergy and Immunology
    Experienced in Complement Component 2 Deficiency
    Allergy and Immunology | Pediatric Allergy and Immunology

    Northwell Health Allergy And Immunology At The Irving Goldman Family Care Center

    865 Northern Boulevard, Suite 101, 
    Great Neck, NY 
    Languages Spoken:
    English, Italian, Spanish

    I study and provide care for children and adults with primary immune defects, such as those with severe combined immune deficiency disease, humoral immune defects, and those with phagocytic cell deficiency diseases. I am the primary investigator on NIH funded projects that address the immune dysregulation present in patients with persistent viral infection, specifically chronic human papillomavirus infection, that prevents control or eradication of recurrent HPV infection in patients with recurrent respiratory papillomatosis. Dr. Bonagura is rated as an Experienced provider by MediFind in the treatment of Complement Component 2 Deficiency. His top areas of expertise are Primary Immunodeficiency (PID), DiGeorge Syndrome, Immunodeficiency with Hyper IgM Type 1, and Selective Deficiency of IgA.

    Learn about our expert tiers
    Claire Smigiel
    Experienced in Complement Component 2 Deficiency
    Allergy and Immunology
    Experienced in Complement Component 2 Deficiency
    Allergy and Immunology

    WPHPA Of Scarsdale

    750 White Plains Road, East Entrance, 
    Scarsdale, NY 
    Languages Spoken:
    English

    Dr. Claire Bottomley Smigiel is a board-certified allergy and immunology physician who received her medical degree from New York Medical College. She then completed an internship and residency in pediatrics at the New York University School of Medicine, followed by a fellowship in allergy and immunology at the Keck School of Medicine of the University of Southern California (USC). Dr. Smigiel is rated as an Experienced provider by MediFind in the treatment of Complement Component 2 Deficiency. Her top areas of expertise are Hives, Grass Allergy, Allergic Rhinitis, and Vibratory Urticaria.

    Paula Busse
    Advanced in Complement Component 2 Deficiency
    Allergy and Immunology
    Advanced in Complement Component 2 Deficiency
    Allergy and Immunology

    Mount Sinai Doctors Transplant Infectious Disease

    5 E 98th St Fl 11, 
    New York, NY 
    Languages Spoken:
    English

    Paula Busse is an Allergy and Immunologist in New York, New York. Dr. Busse is rated as an Advanced provider by MediFind in the treatment of Complement Component 2 Deficiency. Her top areas of expertise are Hereditary Angioedema, Angioedema, Hives, and Asthma.

    Experienced in Complement Component 2 Deficiency
    Allergy and Immunology | Internal Medicine
    Experienced in Complement Component 2 Deficiency
    Allergy and Immunology | Internal Medicine
    120 Bethpage Road, Suite 310, 
    Hicksville, NY 
    Languages Spoken:
    English

    Harshit Patel is an Internal Medicine specialist and an Allergy and Immunologist in Hicksville, New York. Dr. Patel is rated as an Experienced provider by MediFind in the treatment of Complement Component 2 Deficiency. His top areas of expertise are Food Allergy, Allergic Rhinitis, Sinusitis, and Angioedema.

    Experienced in Complement Component 2 Deficiency
    Allergy and Immunology
    Experienced in Complement Component 2 Deficiency
    Allergy and Immunology
    30 East 40th Street, Room 802, 
    New York, NY 
    Languages Spoken:
    English, Romanian, Spanish

    "Dr. Mariana Marcu is Board Certified in Allergy and Immunology as well as Internal Medicine with more than 8 years of clinical experience.Dr. Marcu is a FELLOW of The American Academy of Allergy Asthma & Immunology (AAAAI) and is also affiliated with the New York City Allergy Society. She completed a two-year Allergy & Immunology Fellowship at North Shore-Long Island Jewish Health System at Schneider Children's Hospital. Her residency was completed at the New York Hospital Medical Center of Queens and for an additional year was chosen to be Chief Medical Resident.Dr. Marcu is known for her devotion and pleasant bedside manner. Described as ""A friend patients can trust"" Marcu is genuinely concerned about her patients and tries to accommodate them whenever possible. Residing in New York City with her husband 10-year-old daughter and cocker spaniel Maggie when she's not seeing patients she enjoys spending time with her family listening to jazz music and reading.". Dr. Marcu is rated as an Experienced provider by MediFind in the treatment of Complement Component 2 Deficiency. Her top areas of expertise are Allergic Rhinitis, Grass Allergy, Sinusitis, and Hives.

    Experienced in Complement Component 2 Deficiency
    Allergy and Immunology
    Experienced in Complement Component 2 Deficiency
    Allergy and Immunology

    Allergy & Asthma Consultants Of Rockland And Bergen PC

    2 Crosfield Ave Ste 406, 
    West Nyack, NY 
    Experience:
    17+ years
    Languages Spoken:
    English

    Sharon Yee is an Allergy and Immunologist in West Nyack, New York. Dr. Yee has been practicing medicine for over 17 years and is rated as an Experienced provider by MediFind in the treatment of Complement Component 2 Deficiency. Her top areas of expertise are Sinusitis, Allergic Rhinitis, Grass Allergy, and Hives.

    Advanced in Complement Component 2 Deficiency
    Internal Medicine
    Advanced in Complement Component 2 Deficiency
    Internal Medicine

    Jason Yu M.D. P.C.

    3712 Prince St Ste 3B, 
    Flushing, NY 
    Languages Spoken:
    English
    Offers Telehealth

    Xuxia Wu is a primary care provider, practicing in Internal Medicine in Flushing, New York. Dr. Wu is rated as an Advanced provider by MediFind in the treatment of Complement Component 2 Deficiency. Her top areas of expertise are Hypolipoproteinemia, Fish-Eye Disease, Familial HDL Deficiency, and Tangier Disease.

    Advanced in Complement Component 2 Deficiency
    Pediatric Allergy and Immunology | Allergy and Immunology
    Advanced in Complement Component 2 Deficiency
    Pediatric Allergy and Immunology | Allergy and Immunology

    Office

    358 N Broadway Ste 203, 
    Sleepy Hollow, NY 
    Languages Spoken:
    English
    Offers Telehealth

    Mark Lorton is a Pediatric Allergy and Immunologist and an Allergy and Immunologist in Sleepy Hollow, New York. Dr. Lorton is rated as an Advanced provider by MediFind in the treatment of Complement Component 2 Deficiency. His top areas of expertise are Angioedema, Hereditary Angioedema, Hives, and Chronic Spontaneous Urticaria (CSU).

    Advanced in Complement Component 2 Deficiency
    Family Medicine
    Advanced in Complement Component 2 Deficiency
    Family Medicine

    Highgate Medical Group PC

    6255 Sheridan Dr Ste 200, 
    Buffalo, NY 
    Languages Spoken:
    English

    Michael Dlugosz is a primary care provider, practicing in Family Medicine in Buffalo, New York. Dr. Dlugosz is rated as an Advanced provider by MediFind in the treatment of Complement Component 2 Deficiency. His top areas of expertise are Glutamate Decarboxylase Deficiency, Thiopurine S-Methyltransferase Deficiency, Complement Component 2 Deficiency, and Hyperphenylalaninemia Due to Dehydratase Deficiency.

    Advanced in Complement Component 2 Deficiency
    Allergy and Immunology
    Advanced in Complement Component 2 Deficiency
    Allergy and Immunology

    Office

    207 Mohawk Ave Ste 220, 
    Schenectady, NY 
    Languages Spoken:
    English

    Noah Reiss is an Allergy and Immunologist in Schenectady, New York. Dr. Reiss is rated as an Advanced provider by MediFind in the treatment of Complement Component 2 Deficiency. His top areas of expertise are Chinese Restaurant Syndrome, Allergic Rhinitis, Sinusitis, and Grass Allergy.

    Advanced in Complement Component 2 Deficiency
    Family Medicine
    Advanced in Complement Component 2 Deficiency
    Family Medicine

    Office

    6255 Sheridan Dr Ste 200, 
    Buffalo, NY 
    Experience:
    10+ years
    Languages Spoken:
    English

    Justin Green is a primary care provider, practicing in Family Medicine in Buffalo, New York. Dr. Green has been practicing medicine for over 10 years and is rated as an Advanced provider by MediFind in the treatment of Complement Component 2 Deficiency. His top areas of expertise are Dementia, Glutamate Decarboxylase Deficiency, Complement Component 2 Deficiency, and Properdin Deficiency.

    Advanced in Complement Component 2 Deficiency
    Rheumatology
    Advanced in Complement Component 2 Deficiency
    Rheumatology

    Ur Medicine/ Allergy & Immunology Clinic

    125 Lattimore Rd Ste G110, 
    Rochester, NY 
    Languages Spoken:
    English
    Offers Telehealth

    Richard Looney is a Rheumatologist in Rochester, New York. Dr. Looney is rated as an Advanced provider by MediFind in the treatment of Complement Component 2 Deficiency. His top areas of expertise are Systemic Lupus Erythematosus (SLE), Common Variable Immune Deficiency, Sarcoidosis, and Neurosarcoidosis.

    Advanced in Complement Component 2 Deficiency
    Advanced in Complement Component 2 Deficiency

    Allergy Asthma & Immunology Washington Avenue Extension

    176 Washington Avenue Ext Ste 102, 
    Albany, NY 
    Languages Spoken:
    English

    Jocelyn Celestin is a Pediatrics provider in Albany, New York. Dr. Celestin is rated as an Advanced provider by MediFind in the treatment of Complement Component 2 Deficiency. His top areas of expertise are Allergic Rhinitis, Sinusitis, Common Variable Immune Deficiency, and Hives.

    Robert Tamayev
    Experienced in Complement Component 2 Deficiency
    Internal Medicine
    Experienced in Complement Component 2 Deficiency
    Internal Medicine

    Office

    6940 Austin St, 
    Forest Hills, NY 
    Languages Spoken:
    English
    Offers Telehealth

    Robert Tamayev is an Internal Medicine provider in Forest Hills, New York. Dr. Tamayev is rated as an Experienced provider by MediFind in the treatment of Complement Component 2 Deficiency. His top areas of expertise are Hives, Sinusitis, Allergic Rhinitis, and Grass Allergy.

    Marie-helene Sajous
    Experienced in Complement Component 2 Deficiency
    Allergy and Immunology
    Experienced in Complement Component 2 Deficiency
    Allergy and Immunology

    Office

    360 N Bedford Rd, 
    Mount Kisco, NY 
    Languages Spoken:
    English
    Offers Telehealth

    Marie-helene Sajous is an Allergy and Immunologist in Mount Kisco, New York. Dr. Sajous is rated as an Experienced provider by MediFind in the treatment of Complement Component 2 Deficiency. Her top areas of expertise are Angioedema, Allergic Rhinitis, Sinusitis, and Nonallergic Rhinopathy.

    Experienced in Complement Component 2 Deficiency
    Family Medicine
    Experienced in Complement Component 2 Deficiency
    Family Medicine

    Office

    1150 Youngs Rd Ste 104, 
    Buffalo, NY 
    Languages Spoken:
    English

    Stacey Gugino is a primary care provider, practicing in Family Medicine in Buffalo, New York. Dr. Gugino is rated as an Experienced provider by MediFind in the treatment of Complement Component 2 Deficiency. Her top areas of expertise are Anemia, Dehydration, COVID-19, and Multisystem Inflammatory Syndrome in Children (MIS-C).

    Experienced in Complement Component 2 Deficiency
    Allergy and Immunology
    Experienced in Complement Component 2 Deficiency
    Allergy and Immunology

    Allergy & Asthma Care Of Rockland PC

    222 Route 59 Ste 109, 
    Suffern, NY 
    Languages Spoken:
    English
    Offers Telehealth

    Joel Selter is an Allergy and Immunologist in Suffern, New York. Dr. Selter is rated as an Experienced provider by MediFind in the treatment of Complement Component 2 Deficiency. His top areas of expertise are Sinusitis, Allergic Rhinitis, Grass Allergy, and Asthma in Children.

    Experienced in Complement Component 2 Deficiency
    Family Medicine
    Experienced in Complement Component 2 Deficiency
    Family Medicine

    Chautauqua Nursing And Rehabilitation Center

    10836 Temple Rd, 
    Dunkirk, NY 
    Languages Spoken:
    English

    Kent Lieber is a primary care provider, practicing in Family Medicine in Dunkirk, New York. Dr. Lieber is rated as an Experienced provider by MediFind in the treatment of Complement Component 2 Deficiency. His top areas of expertise are Chronic Obstructive Pulmonary Disease (COPD), Lung Metastases, End-Stage Renal Disease (ESRD), and Multiple Myeloma.

    Showing 1-20 of 46

    Last Updated: 02/22/2026

    What is the definition of Complement Component 2 Deficiency?

    Complement component 2 deficiency is a disorder that causes the immune system to malfunction, resulting in a form of immunodeficiency. Immunodeficiencies are conditions in which the immune system is not able to protect the body effectively from foreign invaders such as bacteria and viruses. People with complement component 2 deficiency have a significantly increased risk of recurrent bacterial infections, specifically of the lungs (pneumonia), the membrane covering the brain and spinal cord (meningitis), and the blood (sepsis), which may be life-threatening. These infections most commonly occur in infancy and childhood and become less frequent in adolescence and adulthood.

    When should I see a Complement Component 2 Deficiency doctor in New York, 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 Complement Component 2 Deficiency doctor in New York, 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 Complement Component 2 Deficiency doctors in New York, 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 Complement Component 2 Deficiency doctors in New York, 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 Complement Component 2 Deficiency doctor in New York, 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 Complement Component 2 Deficiency doctor search results page. 

    Why is it important to get a second opinion from a different Complement Component 2 Deficiency 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 Complement Component 2 Deficiency doctor in New York, 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 Complement Component 2 Deficiency 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 Complement Component 2 Deficiency 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 Complement Component 2 Deficiency doctors in New York, US?

    Look for the filter feature on the left side of the Complement Component 2 Deficiency 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 Complement Component 2 Deficiency doctor that offers video calls?

    Look for the filter feature on the left-side of the Complement Component 2 Deficiency 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 

    Read more about our Content Policy

    More Complement Component 2 Deficiency Doctors by city