About Dr. David Erstein
Dr. David Erstein is a board-certified allergist and immunologist at Advanced Dermatology, P.C., specializing in the diagnosis and treatment of allergic conditions affecting the skin, respiratory system, and immune system. He provides care for children and adults with concerns including allergies, asthma, food allergies, and allergic skin reactions.
With a background in clinical care, research, and patient education, Dr. Erstein has published in peer-reviewed medical journals and presented research at national medical meetings.
He is also the founder of Assured Bites, a company that contributed to national efforts supporting early peanut introduction to help reduce the risk of peanut allergy.
At Advanced Dermatology, P.C., Dr. Erstein works alongside dermatology providers to help patients understand whether allergies or immune responses may be contributing to their symptoms. He provides personalized recommendations and evidence-based care plans to help patients better manage their conditions.
Education & Credentials
Education
- Doctor of Medicine, State University of New York (SUNY), Downstate Medical Center, Brooklyn, NY
- Residency in Internal Medicine, SUNY, Downstate Medical Center, Brooklyn, NY
- Fellowship in Allergy and Immunology, Empire Clinical Research Investigator Program, SUNY, Downstate Medical Center, Brooklyn, NY
- Internship in Internal Medicine, SUNY, Downstate Medical Center, Brooklyn, NY
- Master of Medical Sciences, Boston University School of Medicine, Boston, MA
- Bachelor of Science, New York University, New York, NY
Board Certification & Licensure
Dr. Erstein is board certified by:
Professional Affiliations
Dr. Erstein is an active member of several leading professional organizations:
- American Academy of Allergy, Asthma & Immunology (AAAAI)
- American College of Allergy, Asthma & Immunology (ACAAI)
- New York Allergy and Asthma Society (NYAAS)
Subspecialties & Conditions Treated
Dr. Erstein diagnoses and treats a wide range of allergic and immune conditions that affect both children and adults.
He works closely with patients to identify the cause of their symptoms and create treatment plans that help manage reactions and improve their quality of life.
Nasal & Ocular Allergies, Sinusitis & Asthma
Dr. Erstein evaluates and treats several common respiratory allergies and immune conditions, including:
- Seasonal allergies (hay fever)
- Year-round environmental allergies
- Allergic conjunctivitis (eye allergies)
- Chronic sinusitis
- Asthma
He helps patients understand what triggers their allergy symptoms and develop long-term management plans to manage symptoms and improve daily life.
Food, Medication & Cosmetic Allergies
Dr. Erstein evaluates suspected allergic reactions from various sources and helps patients determine what may be causing their symptoms.
He provides evaluation and treatment for:
- Food allergies
- Medication allergies
- Cosmetic and skin care product allergies
- Latex allergies
- Insect sting allergies
When appropriate, he also performs allergy testing and explains the results in plain terms so that patients can make confident, informed decisions about their care.
Allergic Skin Diseases & Anaphylaxis
Many skin conditions are linked to allergic or immune system reactions.
Dr. Erstein works closely with Advanced Dermatology, P.C.’s dermatology providers to evaluate skin symptoms that may have an allergic cause.
He treats conditions including:
- Eczema
- Hives
- Allergic contact dermatitis
- Skin reactions caused by allergies
- Anaphylaxis
His goal is to identify the underlying cause of symptoms and help patients reduce future allergic reactions whenever possible.
Patient-Care Philosophy
Dr. Erstein takes a comprehensive approach to allergy and immunology care, looking beyond individual symptoms to understand what may be triggering a patient’s reactions.
He combines medical expertise with detailed evaluations to help uncover the causes behind allergies, asthma, and immune-related conditions.
He believes patients are better equipped to manage their health when they understand their diagnosis and treatment options. By providing clear explanations and evidence-based recommendations, Dr. Erstein helps patients develop practical strategies to reduce symptoms and improve their everyday lives.
Affiliated Locations
Dr. Erstein sees patients at Advanced Dermatology, P.C. locations in:
These locations provide convenient access to comprehensive cosmetic and medical dermatology services.
View all providers at Advanced Dermatology, P.C. to learn more about the dermatologists and non-physician clinicians caring for patients throughout New York and New Jersey.
Languages Spoken
- English
Frequently Asked Questions
What is Dr. David Erstein’s specialty at Advanced Dermatology, P.C.?
Dr. David Erstein is a board-certified allergist and immunologist. He diagnoses and treats allergies, asthma, immune system conditions, and allergic skin diseases for both adults and children. At Advanced Dermatology, P.C., he works alongside dermatologists to help patients whose skin concerns may be related to allergies or immune responses.
What types of allergies does Dr. Erstein treat?
Dr. Erstein evaluates and treats many types of allergies, including seasonal, food, medication, insect sting, latex, and cosmetic or skin care product allergies. He also treats asthma, hives, eczema, and other allergic skin conditions.
Does Dr. Erstein diagnose and treat allergic skin conditions?
Yes. Dr. Erstein diagnoses and treats allergic skin conditions such as eczema, hives, allergic contact dermatitis, and skin reactions caused by food, medications, environmental allergens, or personal care products. He also works closely with dermatologists when specialized skin care is needed.
Does Dr. David Erstein see children and adults?
Yes. Dr. Erstein provides allergy and immunology care for both children and adults, including evaluation, allergy testing, diagnosis, and personalized treatment plans.
Which Advanced Dermatology, P.C. locations does Dr. Erstein see patients?
Dr. Erstein sees patients at Advanced Dermatology, P.C. locations in Fresh Meadows, Roslyn Heights, Commack, and West Islip.
Book an Appointment with Dr. David Erstein
Dr. Erstein welcomes new and returning patients at Advanced Dermatology, P.C. locations in Fresh Meadows, Roslyn Heights, Commack, and West Islip.
Schedule an appointment online or contact your preferred office to get started.