The 2 Best Allergists in Rockville, MD

Board-certified allergy & asthma specialists practicing in Rockville.

If over-the-counter antihistamines stopped working, or your symptoms run for months instead of weeks, a board-certified allergist-immunologist can test what you actually react to and treat the cause. That includes immunotherapy, which lowers your sensitivity over three to five years. Our editors picked the 2 specialists below from the wider Maryland list based on board certification, hospital and academic affiliations, and peer recognition.

Allergists in Rockville at a Glance

Specialists listed:
2, all board-certified in Allergy & Immunology
Areas covered:
Rockville
Practices:
Schreiber Allergy, Family Center for Allergy and Asthma
Local pollen season:
Montgomery County gets a long spring: oak, maple, and sycamore from late March through April, grass in May and June, and ragweed from mid-August into October. Heavy tree cover across the county keeps counts higher than in the District itself.

Compare Rockville Allergists

AllergistPracticeLocationKnown for
Rachel L. Schreiber, MDSchreiber AllergyRockville, MDAllergic rhinitis, Asthma, Food allergy
Gina E. Dapul-Hidalgo, MDFamily Center for Allergy and AsthmaRockville, MDAdult and pediatric allergy, Asthma, Allergic rhinitis
  1. 1

    Rachel L. Schreiber, MD

    Schreiber Allergy

    Rockville, MD

    Board-certified in Allergy & ImmunologyFellow of the American Academy of Allergy, Asthma & Immunology (FAAAAI)Fellow of the American College of Allergy, Asthma & Immunology (FACAAI)

    Dr. Schreiber is a Washingtonian Magazine Top Doctor and has been named among America's Top Physicians by the Consumers' Research Council of America and Castle Connolly. She is the Maryland State Delegate for the American College of Allergy, Asthma, and Immunology and served as Past President of the Greater Washington Allergy, Asthma, and Immunology Society.

    Areas of focus: Allergic rhinitis · Asthma · Food allergy · Drug allergy · Immunotherapy

    Visit practice website →
  2. 2

    Gina E. Dapul-Hidalgo, MD

    Family Center for Allergy and Asthma

    Rockville, MD

    Board-certified in Allergy & Immunology

    Dr. Dapul-Hidalgo founded the Family Center for Allergy and Asthma in 2023 after more than a decade of practice in the Washington DC metropolitan area. She has been selected as a Washingtonian Top Doctor in Allergy & Immunology by peer vote every year from 2020 through 2025.

    Areas of focus: Adult and pediatric allergy · Asthma · Allergic rhinitis · Food allergy · Immunotherapy

    Visit practice website →

Allergy Season in Rockville

Montgomery County gets a long spring: oak, maple, and sycamore from late March through April, grass in May and June, and ragweed from mid-August into October. Heavy tree cover across the county keeps counts higher than in the District itself.

Bring dates to your appointment. An allergist can narrow the list of suspects much faster when you can say “this started the second week of April” and match it against what was actually in the air.

How We Picked These Rockville Allergists

Our editorial team reviewed allergy and immunology specialists practicing across the Maryland suburbs of Washington, DC and selected these 2 on:

  • Board certification in Allergy & Immunology (ABAI)
  • Hospital and academic affiliations with respected medical centers
  • Peer recognition, including Top Doctor awards and professional society roles
  • Practice reputation and years treating allergy and asthma patients
  • Coverage across the metro, so the list is not all one hospital system

These listings are editorial picks, not paid placements or medical endorsements, and we have no financial relationship with any provider listed. Availability, insurance participation, and credentials change. Verify directly with the practice before booking. This page is for informational purposes and is not medical advice.

Frequently Asked Questions

Who are the best allergists in Rockville?

Our editors picked 2 board-certified allergist-immunologists practicing in the Maryland suburbs of Washington, DC: Rachel L. Schreiber, MD at Schreiber Allergy in Rockville; Gina E. Dapul-Hidalgo, MD at Family Center for Allergy and Asthma in Rockville. All are board-certified in Allergy & Immunology.

When is allergy season in Rockville?

Montgomery County gets a long spring: oak, maple, and sycamore from late March through April, grass in May and June, and ragweed from mid-August into October. Heavy tree cover across the county keeps counts higher than in the District itself.

See today's pollen count in Rockville →

Do I need a referral to see an allergist in Rockville?

That depends on your insurance plan, not your city. Most PPO plans let you book straight with an allergist. HMO plans usually want a referral from your primary care doctor first. Call the practice or your insurer before you book.

How much does an allergist visit cost in Rockville?

A first visit with a specialist typically runs $150 to $300 without insurance, and skin testing for a panel of environmental allergens usually adds $200 to $1,000 depending on how many allergens are tested. With insurance you pay your specialist copay, though testing is often billed separately. Ask the office for a cost estimate and their billing codes when you book.

What should I bring to my first allergist appointment?

Bring a list of your symptoms and the dates they flared, every medication you take including over-the-counter ones, your insurance card, and any past test results. Stop antihistamines 5 to 7 days before skin testing, since they can blunt the results. Confirm the exact timing with the office.

Check Rockville pollen levels to match your flare dates →

Are these Rockville allergists accepting new patients?

That changes month to month, so call the practice to check. These are editorial picks, not paid placements, and we have no financial relationship with any provider listed. Verify current credentials, availability, and insurance participation directly with the office before you book.

Allergists in Nearby Cities

Best Allergists in Baltimore, MDBest Allergists in Jacksonville, FLBest Allergists in Austin, TXBest Allergists in Oklahoma City, OKBest Allergists in Nashville, TNBest Allergists in Louisville, KY

Before You Call

Start a symptom log this week. Note the day, what you felt, and what the pollen count was. Two or three weeks of that turns a vague “my allergies are bad” into something an allergist can work from.

Get daily Rockville pollen alerts. Free email alerts when tree, grass, or weed pollen turns High in your area. Sign up free →