Verified 2026 Physician Ranking

Top Pulmonologists in Hawaii, 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 pulmonology physician with active credentialing in Hawaii. Sources: NPPES Registry, ABMS, state medical boards, aggregated public review data. Last reviewed May 2026.

  1. #1

    Thomas Gallacher, MD

    PulmonologyHawaii, HI20+ years in practice

    Thomas Gallacher, MD, practices pulmonology in Hawaii, HI. NPI-verified active practice since 2006.

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  2. #2

    David Hafermann, MD

    PulmonologyHawaii, HI20+ years in practice

    David Hafermann, MD, practices pulmonology in Hawaii, HI. NPI-verified active practice since 2006.

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  3. #3

    Poh Leng, MD

    Addiction MedicineHawaii, HI20+ years in practice

    Poh Leng, MD, practices addiction medicine in Hawaii, HI. NPI-verified active practice since 2006.

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  4. #4

    Roger Yim, MD

    PulmonologyHawaii, HI20+ years in practice

    Roger Yim, MD, practices pulmonology in Hawaii, HI. NPI-verified active practice since 2006.

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  5. #5

    Renee Nelson, MD

    Addiction MedicineCalifornia, CA20+ years in practice

    Renee Nelson, MD, practices addiction medicine in California, CA. NPI-verified active practice since 2006.

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  6. #6

    Sheri Shimizu-Saito, MD

    Addiction MedicineHawaii, HI17+ years in practice

    Sheri Shimizu-Saito, MD, practices addiction medicine in Hawaii, HI. NPI-verified active practice since 2009.

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  7. #7

    Halley Tsai, MD

    Addiction MedicineCalifornia, CA15+ years in practice

    Halley Tsai, MD, practices addiction medicine in California, CA. NPI-verified active practice since 2011.

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  8. #8

    Chad Tao, MD

    Addiction MedicineHawaii, HI15+ years in practice

    Chad Tao, MD, practices addiction medicine in Hawaii, HI. NPI-verified active practice since 2011.

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