Verified 2026 Physician Ranking

Top Allergists & Immunologists in Arizona, 2026

Published by Palm Beach County Medical Media Group · Last updated May 1, 2026

PBCMMG Excellence Certified \u2014 Recognizing Excellence in Healthcare

How this ranking was built: We applied PBCMMG's seven weighted criteria (board certification, years in active practice, disciplinary record, aggregate patient reviews, hospital affiliations, specialty training, peer recognition) to every allergy & immunology physician with active credentialing in Arizona. Sources: NPPES Registry, ABMS, state medical boards, aggregated public review data. Last reviewed May 2026.

  1. #1

    Heather Cassell, MD

    Allergy & ImmunologyArizona, AZ21+ years in practice

    Heather Cassell, MD, practices allergy & immunology in Arizona, AZ. NPI-verified active practice since 2005.

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  2. #2

    Richard Keightley, MD

    Allergy & ImmunologyArizona, AZ21+ years in practice

    Richard Keightley, MD, practices allergy & immunology in Arizona, AZ. NPI-verified active practice since 2005.

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  3. #3

    Matthew Rank, MD

    Allergy & ImmunologyArizona, AZ20+ years in practice

    Matthew Rank, MD, practices allergy & immunology in Arizona, AZ. NPI-verified active practice since 2006.

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  4. #4

    Allan Wachter, MD

    Allergy & ImmunologyArizona, AZ20+ years in practice

    Allan Wachter, MD, practices allergy & immunology in Arizona, AZ. NPI-verified active practice since 2006.

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  5. #5

    Neal Jain, MD

    Allergy & ImmunologyArizona, AZ20+ years in practice

    Neal Jain, MD, practices allergy & immunology in Arizona, AZ. NPI-verified active practice since 2006.

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  6. #6

    Christopher Couch, MD

    Allergy & ImmunologyArizona, AZ15+ years in practice

    Christopher Couch, MD, practices allergy & immunology in Arizona, AZ. NPI-verified active practice since 2011.

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  7. #7

    Claudia Gaefke, MD

    Allergy & ImmunologyArizona, AZ11+ years in practice

    Claudia Gaefke, MD, practices allergy & immunology in Arizona, AZ. NPI-verified active practice since 2015.

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  8. #8

    Reimus Valencia, DO

    Allergy & ImmunologyArizona, AZ10+ years in practice

    Reimus Valencia, DO, practices allergy & immunology in Arizona, AZ. NPI-verified active practice since 2016.

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