Verified 2026 Physician Ranking

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

  1. #1

    Delwyn Miller, MD

    PsychiatryIowa, IA21+ years in practice
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  2. #2

    Andrew Peterson, MD

    Ketamine TreatmentNorth Carolina, NC21+ years in practice
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  3. #3

    Christopher Okiishi, MD

    PsychiatryIowa, IA21+ years in practice
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  4. #4

    Nancy Andreasen, MD

    PsychiatryIowa, IA21+ years in practice
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  5. #5

    Matthew Horvath, DO

    PsychiatryIowa, IA20+ years in practice
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  6. #6

    Mark Pithan, MD

    Ketamine TreatmentIowa, IA20+ years in practice
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  7. #7

    Mark Walter, MD

    PsychiatryIowa, IA20+ years in practice
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  8. #8

    Sundara Rameshwar Munagala Venkata, MD

    PsychiatryIowa, IA20+ years in practice
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  9. #9

    James Owens, MD

    Ketamine TreatmentIowa, IA20+ years in practice
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