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

Find the Top Complement Component 2 Deficiency Experts and Specialists

The 20 Best Complement Component 2 Deficiency Doctors near New York, NY

Last Updated: 02/22/2026

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MediFind found 18 doctor with experience in Complement Component 2 Deficiency near New York, NY. Of these, 14 are Experienced, 3 are Advanced and 1 are Distinguished.

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18 providers found
    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 
     (3.0 miles away)
    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.

    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 
     (9.4 miles away)
    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.

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

    Office

    7 Lexington Ave Ofc 3, 
    New York, NY 
     (2.2 miles away)
    Languages Spoken:
    English

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

    Learn about our expert tiers
    Experienced in Complement Component 2 Deficiency
    Hematology | Oncology
    Experienced in Complement Component 2 Deficiency
    Hematology | Oncology

    David H. Koch Center For Cancer Care At Memorial Sloan Kettering Cancer Center

    530 E 74th St, 
    New York, NY 
     (4.7 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Rekha Parameswaran is a Hematologist and an Oncologist in New York, New York. Dr. Parameswaran is rated as an Experienced provider by MediFind in the treatment of Complement Component 2 Deficiency. Her top areas of expertise are Venous Thromboembolism (VTE), Shwartzman Phenomenon, Thrombocytopenia, Deep Vein Thrombosis, and Splenectomy. Dr. Parameswaran is currently accepting new patients.

    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 
     (6.3 miles away)
    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.

    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 
     (8.4 miles away)
    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.

    Patrick V. Perin
    Experienced in Complement Component 2 Deficiency
    Allergy and Immunology
    Experienced in Complement Component 2 Deficiency
    Allergy and Immunology

    Allergy Partners Of NJ

    553 Cedar Lane, Suite A, 
    Teaneck, NJ 
     (12.8 miles away)
    Languages Spoken:
    English

    Patrick Perin is an Allergy and Immunologist in Teaneck, New Jersey. Dr. Perin is rated as an Experienced provider by MediFind in the treatment of Complement Component 2 Deficiency. His top areas of expertise are Sinusitis, Grass Allergy, Allergic Rhinitis, and Allergic Conjunctivitis.

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

    SUNY Downstate Medical Center

    450 Clarkson Ave, 
    Brooklyn, NY 
     (5.1 miles away)
    Languages Spoken:
    English

    Rauno Joks is an Allergy and Immunologist in Brooklyn, New York. Dr. Joks is rated as an Experienced provider by MediFind in the treatment of Complement Component 2 Deficiency. His top areas of expertise are Asthma, Hives, Angioedema, and Allergic Rhinitis.

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

    Icahn School Of Medicine At Mount Sinai

    5 E 98th St, 
    New York, NY 
     (5.9 miles away)
    Languages Spoken:
    English

    Charlotte Cunningham is an Internal Medicine provider in New York, New York. Dr. Cunningham is rated as an Experienced provider by MediFind in the treatment of Complement Component 2 Deficiency. Her top areas of expertise are Common Variable Immune Deficiency, Primary Immunodeficiency (PID), X-Linked Agammaglobulinemia, and Immunodeficiency with Hyper IgM Type 1.

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

    Wagdy F Girgis MD PC

    76 Battery Ave Ste 1, 
    Brooklyn, NY 
     (6.6 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Wagdy Girgis is a primary care provider, practicing in Family Medicine in Brooklyn, New York. Dr. Girgis is rated as an Experienced provider by MediFind in the treatment of Complement Component 2 Deficiency. His top areas of expertise are Peptic Ulcer, Cellulitis, Necrosis, and Varicose Veins.

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

    Fritz A. Galette Psychologist PC

    314 Seaview Ave, 
    Staten Island, NY 
     (9.8 miles away)
    Languages Spoken:
    English

    Mary Awad is a primary care provider, practicing in Internal Medicine in Staten Island, New York. Dr. Awad is rated as an Experienced provider by MediFind in the treatment of Complement Component 2 Deficiency. Her top areas of expertise are Glucocorticoid-Remediable Aldosteronism, Familial Hypertension, Hypertension, Renovascular Hypertension, and Gastrostomy.

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

    Atlantic Health Partners Hudson Essex Allergy

    1005 Clifton Avenue, Suite 102, 
    Clifton, NJ 
     (13.2 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Mark Weinstein is an Allergy and Immunologist in Clifton, New Jersey. Dr. Weinstein is rated as an Experienced provider by MediFind in the treatment of Complement Component 2 Deficiency. His top areas of expertise are Hives, Grass Allergy, Allergic Rhinitis, and Primary Immunodeficiency (PID). Dr. Weinstein is currently accepting new patients.

    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 
     (10.1 miles away)
    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
    Family Medicine
    Advanced in Complement Component 2 Deficiency
    Family Medicine

    Completecure Medical Associates LLC

    1005 Clifton Ave Ste 201, 
    Clifton, NJ 
     (13.9 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Faisal Nagarwala is a primary care provider, practicing in Family Medicine in Clifton, New Jersey. Dr. Nagarwala is rated as an Advanced provider by MediFind in the treatment of Complement Component 2 Deficiency. His top areas of expertise are Cellulitis, Complement Component 2 Deficiency, Thiopurine S-Methyltransferase Deficiency, and Hyperphenylalaninemia Due to Dehydratase Deficiency.

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

    Alberto Comas Espinal MD PC

    129 Wadsworth Ave Apt 4, 
    New York, NY 
     (10.2 miles away)
    Languages Spoken:
    English

    Agueda Mercado is a primary care provider, practicing in Internal Medicine in New York, New York. Dr. Mercado is rated as an Experienced provider by MediFind in the treatment of Complement Component 2 Deficiency. Her top areas of expertise are Loin Pain Hematuria Syndrome, Genital Herpes, Gray Platelet Syndrome, and Bernard-Soulier Syndrome.

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

    Office

    8538 168th St, 
    Jamaica, NY 
     (11.0 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Mohd Hossain is a primary care provider, practicing in Internal Medicine in Jamaica, New York. Dr. Hossain is rated as an Experienced provider by MediFind in the treatment of Complement Component 2 Deficiency. His top areas of expertise are Diabetic Neuropathy, Xanthoma, Familial Combined Hyperlipidemia, and Cirrhosis.

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

    Hackensack Meridian Health Hackensack University Medical Center

    30 Prospect Ave, 
    Hackensack, NJ 
     (12.1 miles away)
    Languages Spoken:
    English

    Ann Michelis is an Allergy and Immunologist in Hackensack, New Jersey. Dr. Michelis is rated as an Experienced provider by MediFind in the treatment of Complement Component 2 Deficiency. Her top areas of expertise are Common Variable Immune Deficiency, Primary Immunodeficiency (PID), Grass Allergy, and Allergic Rhinitis.

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

    Advocare LLC

    207 Lakeview Ave, 
    Clifton, NJ 
     (13.0 miles away)
    Languages Spoken:
    English

    Sarah Abbassi is an Allergy and Immunologist in Clifton, New Jersey. Dr. Abbassi 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 Asthma.

    Showing 1-18 of 18

    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 near New York, NY?

    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 near New York, NY?

    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 near New York, NY?

    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 near New York, NY?

    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 near New York, NY?

    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 near New York, NY?

    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 near New York, NY?

    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 

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