Verified 2026 Physician Ranking

Top Internal Medicine Doctors in Maine, 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 Maine. Sources: NPPES Registry, ABMS, state medical boards, aggregated public review data. Last reviewed May 2026.

  1. #1

    George Batty, MD

    Addiction MedicineIndiana, IN19+ years in practice

    George Batty, MD, practices addiction medicine in Indiana, IN. NPI-verified active practice since 2007.

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  2. #2

    Jennifer Lewis, MD

    Concierge MedicineCalifornia, CA18+ years in practice

    Jennifer Lewis, MD, practices obstetrics & gynecology in California, CA. NPI-verified active practice since 2008.

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  3. #3

    Marshall Chamberlin, MD

    Addiction MedicineMaine, ME17+ years in practice

    Marshall Chamberlin, MD, practices addiction medicine in Maine, ME. NPI-verified active practice since 2009.

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  4. #4

    Fnu Kaleemullah, MD

    Addiction MedicineMassachusetts, MA9+ years in practice

    Fnu Kaleemullah, MD, practices hospital medicine in Massachusetts, MA. NPI-verified active practice since 2017.

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  5. #5

    Asha Mohamud, MD

    Addiction MedicineMaine, ME5+ years in practice

    Asha Mohamud, MD, practices addiction medicine in Maine, ME. NPI-verified active practice since 2021.

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  6. #6

    Jamal Choudhary, MD

    Addiction MedicineMaine, ME4+ years in practice

    Jamal Choudhary, MD, practices addiction medicine in Maine, ME. NPI-verified active practice since 2022.

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  7. #7

    Rebecca Lightman, MD

    Addiction MedicineMaine, ME3+ years in practice

    Rebecca Lightman, MD, practices addiction medicine in Maine, ME. NPI-verified active practice since 2023.

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