Verified 2026 Physician Ranking

Top Orthopedic Surgeons in Oregon, 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 orthopedic surgery physician with active credentialing in Oregon. Sources: NPPES Registry, ABMS, state medical boards, aggregated public review data. Last reviewed May 2026.

  1. #1

    Michael Ivanitsky, MD

    Orthopedic SurgeryOregon, OR20+ years in practice

    Michael Ivanitsky, MD, practices orthopedic surgery in Oregon, OR. NPI-verified active practice since 2006.

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  2. #2

    Ronald Lohman, MD

    Orthopedic SurgeryOregon, OR20+ years in practice

    Ronald Lohman, MD, practices orthopedic surgery in Oregon, OR. NPI-verified active practice since 2006.

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  3. #3

    Howard Frank, MD

    Orthopedic SurgeryOregon, OR20+ years in practice

    Howard Frank, MD, practices orthopedic surgery in Oregon, OR. NPI-verified active practice since 2006.

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  4. #4

    Loren Jenkins, md

    Orthopedic SurgeryOregon, OR20+ years in practice

    Loren Jenkins, md, practices orthopedic surgery in Oregon, OR. NPI-verified active practice since 2006.

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  5. #5

    Tamara Simpson, MD

    Orthopedic SurgeryOregon, OR19+ years in practice

    Tamara Simpson, MD, practices orthopedic surgery in Oregon, OR. NPI-verified active practice since 2007.

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  6. #6

    Cory Carlston, MD

    Orthopedic SurgeryOregon, OR16+ years in practice

    Cory Carlston, MD, practices orthopedic surgery in Oregon, OR. NPI-verified active practice since 2010.

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  7. #7

    Raymond Ray, MD

    Orthopedic SurgeryWashington, WA16+ years in practice

    Raymond Ray, MD, practices pain medicine in Washington, WA. NPI-verified active practice since 2010.

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  8. #8

    Matthew Lilley, MD

    Orthopedic SurgeryOregon, OR14+ years in practice

    Matthew Lilley, MD, practices orthopedic surgery in Oregon, OR. NPI-verified active practice since 2012.

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  9. #9

    Allison Mitchell, MD

    Orthopedic SurgeryOregon, OR10+ years in practice

    Allison Mitchell, MD, practices orthopedic surgery in Oregon, OR. NPI-verified active practice since 2016.

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