Verified 2026 Physician Ranking

Top Internal Medicine Doctors in Utah, 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 internal medicine physician with active credentialing in Utah. Sources: NPPES Registry, ABMS, state medical boards, aggregated public review data. Last reviewed May 2026.

  1. #1

    Ewa Gniado, MD

    Addiction MedicineOhio, OH12+ years in practice

    Ewa Gniado, MD, practices endocrinology in Ohio, OH. NPI-verified active practice since 2014.

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  2. #2

    Willard Dere, MD

    Addiction MedicineUtah, UT11+ years in practice

    Willard Dere, MD, practices internal medicine in Utah, UT. NPI-verified active practice since 2015.

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  3. #3

    Shawn Allman, DO

    Addiction MedicineUtah, UT10+ years in practice

    Shawn Allman, DO, practices internal medicine in Utah, UT. NPI-verified active practice since 2016.

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  4. #4

    Megan Meier, MD

    Addiction MedicineUtah, UT8+ years in practice

    Megan Meier, MD, practices internal medicine in Utah, UT. NPI-verified active practice since 2018.

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  5. #5

    Siddharth Iyengar, MD

    Addiction MedicineUtah, UT7+ years in practice

    Siddharth Iyengar, MD, practices internal medicine in Utah, UT. NPI-verified active practice since 2019.

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  6. #6

    David Haak, MD

    Addiction MedicineUtah, UT6+ years in practice

    David Haak, MD, practices hospital medicine in Utah, UT. NPI-verified active practice since 2020.

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  7. #7

    Therese Lange, MD

    Addiction MedicineWisconsin, WI6+ years in practice

    Therese Lange, MD, practices endocrinology in Wisconsin, WI. NPI-verified active practice since 2020.

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  8. #8

    Katherine Erickson, MD

    Addiction MedicineOregon, OR5+ years in practice

    Katherine Erickson, MD, practices addiction medicine in Oregon, OR. NPI-verified active practice since 2021.

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