The 5 Best Allergists in Idaho

Board-certified allergy & asthma specialists in Boise, Twin Falls, Pocatello, and beyond.

If over-the-counter antihistamines aren't cutting it anymore, a board-certified allergist-immunologist can pinpoint exactly what you're reacting to and build a treatment plan โ€” including immunotherapy that can reduce your sensitivity for good. Our editors researched allergists across Idaho and curated the five standouts below based on board certification, affiliations, peer recognition, and patient reputation. Before your visit, check today's pollen levels in Idaho so you can tell your doctor what was in the air when your symptoms flared.

  1. 1

    John D. Jeppson, MD

    Boise Valley Asthma & Allergy Clinic

    Boise, ID

    Board-certified in Allergy & Immunology by the American Board of Allergy and ImmunologyBoard-certified in Pediatrics by the American Board of Pediatrics

    Dr. Jeppson graduated from the University of Utah School of Medicine and completed fellowship training at National Jewish Health in Denver, a world-renowned center for asthma and allergic disease. He has practiced allergy and immunology for over 36 years and is affiliated with St. Luke's Boise Medical Center and St. Alphonsus Regional Medical Center.

    Areas of focus: Pediatric and adult allergy ยท Severe asthma ยท Food allergy ยท Anaphylaxis

    Visit practice website โ†’
  2. 2

    Michael V. Keiley, MD

    Boise Valley Asthma & Allergy Clinic

    Boise, ID

    Board-certified in Allergy & Immunology by the American Board of Allergy and ImmunologyMember, American College of Allergy, Asthma & ImmunologyMember, American Academy of Allergy, Asthma & Immunology

    Dr. Keiley joined Boise Valley Asthma & Allergy Clinic in 2000 after nine years of practice in Great Falls, Montana, and has over 36 years of experience in allergy and immunology. He is board-certified in allergy and immunology and holds memberships in the Idaho Medical Association and Ada County Medical Association.

    Areas of focus: Severe asthma ยท Anaphylaxis ยท Allergic rhinitis ยท Food allergy including peanut allergy

    Visit practice website โ†’
  3. 3

    Gregory M. Wickern, MD

    Asthma and Allergy of Idaho

    Twin Falls, ID

    Diplomate, American Board of Allergy & ImmunologyMember, American Academy of Allergy, Asthma & ImmunologyMember, American College of Allergy, Asthma & Immunology

    Dr. Wickern earned his medical degree from the Uniformed Services University of the Health Sciences and completed fellowship training at Wilford Hall USAF Medical Center, serving as a United States Air Force physician for 26 years. He practices with Asthma and Allergy of Idaho, serving the Twin Falls and surrounding southern Idaho communities.

    Areas of focus: Pediatric and adult allergy ยท Asthma ยท Immunotherapy

    Visit practice website โ†’
  4. 4

    David E. Parry, MD

    Pocatello Allergy & Asthma Clinic

    Pocatello, ID

    Board-certified in Allergy & Immunology

    Dr. Parry graduated from the University of Wisconsin-Madison and has been the only board-certified allergist/immunologist practicing in southeast Idaho for many years, with over 33 years of total experience. He is affiliated with Portneuf Medical Center and multiple regional hospitals across eastern Idaho.

    Areas of focus: Asthma ยท Food allergy ยท Anaphylaxis ยท Immunodeficiency ยท Atopic dermatitis ยท Drug allergy

    Visit practice website โ†’
  5. 5

    Wendell E. Petty, MD

    Idaho Allergy and Asthma Clinic

    Idaho Falls, ID

    Board-certified in Allergy & Immunology

    Dr. Petty graduated from Oregon Health & Science University School of Medicine and has practiced allergy and immunology in Idaho Falls for over 40 years, building one of the region's longest-established allergy practices. He is affiliated with Eastern Idaho Regional Medical Center and the clinic is recognized as providing Idaho Falls' only board-certified allergy and asthma specialists.

    Areas of focus: Allergy ยท Asthma ยท Immunotherapy

    Visit practice website โ†’

How we chose the best allergists in Idaho

Our editorial team researched allergy and immunology specialists practicing across Idaho and selected these five based 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 of experience treating allergy and asthma patients
  • Geographic spread across Idaho's major metro areas

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

Frequently asked questions

How do I find a good allergist in Idaho?

Look for board certification in Allergy & Immunology, hospital or academic affiliations, and an established practice. Every allergist on this list was vetted against those criteria.

Do I need a referral?

It depends on your insurance plan, not the state. Most PPO plans let you book directly; HMO plans usually require a referral from your primary care physician.

What should I bring to my first appointment?

A list of your symptoms and when they occur, your current medications, your insurance card, and any relevant medical records. A symptom diary matched against local pollen counts is especially useful for diagnosing seasonal allergies.

Track Idaho pollen before your visit

Allergists can diagnose you faster when you know which days your symptoms flared and what was in the air. MyPollenPal tracks daily tree, grass, and weed pollen levels for cities across Idaho.

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