Verified 2026 Physician Ranking

Top Gastroenterologists in Illinois, 2026

Published by Palm Beach County Medical Media Group · Last updated April 30, 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 gastroenterology physician with active credentialing in Illinois. Sources: NPPES Registry, ABMS, state medical boards, aggregated public review data. Last reviewed April 2026.

  1. #1

    Fred Rosenberg, MD

    GastroenterologyIllinois, IL21+ years in practice

    Fred Rosenberg, MD, practices gastroenterology in Illinois, IL. NPI-verified active practice since 2005.

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  2. #2

    James Rosenberg, MD

    GastroenterologyIllinois, IL21+ years in practice

    James Rosenberg, MD, practices gastroenterology in Illinois, IL. NPI-verified active practice since 2005.

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  3. #3

    Mahesh Vadali, MD

    GastroenterologyIllinois, IL20+ years in practice

    Mahesh Vadali, MD, practices gastroenterology in Illinois, IL. NPI-verified active practice since 2006.

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  4. #4

    Melissa Martinez Mateo, MD

    GastroenterologyIllinois, IL16+ years in practice

    Melissa Martinez Mateo, MD, practices gastroenterology in Illinois, IL. NPI-verified active practice since 2010.

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  5. #5

    Kumkum Patel, MD, MPH

    GastroenterologyIllinois, IL14+ years in practice

    Kumkum Patel, MD, MPH, practices gastroenterology in Illinois, IL. NPI-verified active practice since 2012.

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  6. #6

    Kartikeya Tripathi, MD

    GastroenterologyIllinois, IL10+ years in practice

    Kartikeya Tripathi, MD, practices gastroenterology in Illinois, IL. NPI-verified active practice since 2016.

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  7. #7

    Chelsea Hartzell, MD

    GastroenterologyIllinois, IL7+ years in practice

    Chelsea Hartzell, MD, practices gastroenterology in Illinois, IL. NPI-verified active practice since 2019.

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  8. #8

    Gerard Cerniak, MD

    GastroenterologyIllinois, IL5+ years in practice

    Gerard Cerniak, MD, practices gastroenterology in Illinois, IL. NPI-verified active practice since 2021.

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  9. #9

    Ashley Robinson, DO

    GastroenterologyIllinois, IL3+ years in practice

    Ashley Robinson, DO, practices gastroenterology in Illinois, IL. NPI-verified active practice since 2023.

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