Verified 2026 Physician Ranking

Top Gastroenterologists in Missouri, 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 Missouri. Sources: NPPES Registry, ABMS, state medical boards, aggregated public review data. Last reviewed April 2026.

  1. #1

    Jack Bragg, DO

    GastroenterologyMissouri, MO20+ years in practice

    Jack Bragg, DO, practices gastroenterology in Missouri, MO. NPI-verified active practice since 2006.

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  2. #2

    Jonathan Horwitz, DO

    GastroenterologyMissouri, MO20+ years in practice

    Jonathan Horwitz, DO, practices gastroenterology in Missouri, MO. NPI-verified active practice since 2006.

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  3. #3

    Muddasani Reddy, DO

    GastroenterologyMissouri, MO20+ years in practice

    Muddasani Reddy, DO, practices gastroenterology in Missouri, MO. NPI-verified active practice since 2006.

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  4. #4

    Scott McGuire, MD

    GastroenterologyMissouri, MO20+ years in practice

    Scott McGuire, MD, practices gastroenterology in Missouri, MO. NPI-verified active practice since 2006.

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  5. #5

    Eldad Bialecki, MD

    GastroenterologyMissouri, MO19+ years in practice

    Eldad Bialecki, MD, practices gastroenterology in Missouri, MO. NPI-verified active practice since 2007.

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  6. #6

    Geoffrey Graham, DO

    GastroenterologyMissouri, MO17+ years in practice

    Geoffrey Graham, DO, practices gastroenterology in Missouri, MO. NPI-verified active practice since 2009.

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  7. #7

    Hillary Bownik, MD

    GastroenterologyMissouri, MO17+ years in practice

    Hillary Bownik, MD, practices gastroenterology in Missouri, MO. NPI-verified active practice since 2009.

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  8. #8

    Soumojit Ghosh, MD

    GastroenterologyMissouri, MO8+ years in practice

    Soumojit Ghosh, MD, practices gastroenterology in Missouri, MO. NPI-verified active practice since 2018.

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  9. #9

    Manar Shmais, MD

    GastroenterologyMissouri, MO4+ years in practice

    Manar Shmais, MD, practices gastroenterology in Missouri, MO. NPI-verified active practice since 2022.

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  10. #10

    Jason Bill, MD

    GastroenterologyMissouri, MO15+ years in practice
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  11. #11

    Swaroop Vitta, MD

    GastroenterologyMissouri, MO10+ years in practice
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  12. #12

    Arvind Rengarajan, MD

    GastroenterologyIllinois, IL11+ years in practice
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  13. #13

    Laura Ulmer, DO

    Addiction MedicineMissouri, MO13+ years in practice
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  14. #14

    John Helzberg, MD

    GastroenterologyMissouri, MO20+ years in practice
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  15. #15

    Scott Grisolano, MD

    GastroenterologyMissouri, MO20+ years in practice
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  16. #16

    Faisal Bukeirat, MD

    GastroenterologyMissouri, MO20+ years in practice
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  17. #17

    Jessica Winn, MD

    GastroenterologyMissouri, MO18+ years in practice
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  18. #18

    Lawrence Tierney, MD

    GastroenterologyMissouri, MO19+ years in practice
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  19. #19

    Nicholas Frederickson, MD

    GastroenterologyMissouri, MO16+ years in practice
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  20. #20

    Mary Burton, MD

    Addiction MedicineFlorida, FL20+ years in practice
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  21. #21

    Christopher Keller, DO

    GastroenterologyMissouri, MO20+ years in practice
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  22. #22

    Kimberly Zibert, DO

    GastroenterologyTexas, TX15+ years in practice
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  23. #23

    Tarek Abu-Rajab Tamimi, MD

    GastroenterologyMissouri, MO18+ years in practice
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  24. #24

    Cassandra Fritz, MD

    GastroenterologyIllinois, IL11+ years in practice
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  25. #25

    Martin Gregory, MD

    GastroenterologyIllinois, IL20+ years in practice
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  26. #26

    Joel Riley, MD

    GastroenterologyMissouri, MO20+ years in practice
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  27. #27

    Nizar Charafeddine, MD

    GastroenterologyTexas, TX20+ years in practice
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  28. #28

    Amin Mahdi, MD

    GastroenterologyMissouri, MO17+ years in practice
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  29. #29

    Donald Thompson, MD

    Depression TreatmentMaryland, MD20+ years in practice
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  30. #30

    James Walden, MD

    Concierge MedicineMissouri, MO20+ years in practice
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  31. #31

    Donald Nelson, MD

    Obstetrics & GynecologyGeorgia, GA20+ years in practice
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  32. #32

    Chase Zeilenga, DO

    GastroenterologyMissouri, MO7+ years in practice
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  33. #33

    Jamal Ibdah, MD

    GastroenterologyMissouri, MO20+ years in practice
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  34. #34

    Alka Hudson, MD

    GastroenterologyMissouri, MO19+ years in practice
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  35. #35

    Michael Bennett, MD

    Obstetrics & GynecologyCalifornia, CA20+ years in practice
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  36. #36

    Richard Geisman, MD

    GastroenterologyMissouri, MO21+ years in practice
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  37. #37

    Marc Bernstein, MD

    CardiologyFlorida, FL20+ years in practice
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  38. #38

    Harith Baharith, MD

    Addiction MedicineNew York, NY15+ years in practice
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  39. #39

    Marc New, MD

    GastroenterologyColorado, CO21+ years in practice
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  40. #40

    Larry Deffenbaugh, DO

    GastroenterologyMissouri, MO20+ years in practice
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  41. #41

    Mazin Kamil, MD

    GastroenterologyMissouri, MO6+ years in practice
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  42. #42

    Krishnavel Chathadi, MD

    GastroenterologyMichigan, MI20+ years in practice
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  43. #43

    John Campbell, MD, MBA

    GastroenterologyMissouri, MO8+ years in practice
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  44. #44

    Gonguntla Naidu, MD

    GastroenterologyMissouri, MO20+ years in practice
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  45. #45

    Qaiser Jawaid, MD

    GastroenterologyMissouri, MO20+ years in practice
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  46. #46

    Darian Fard, MD

    GastroenterologyMissouri, MO5+ years in practice
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  47. #47

    Vivian Ortiz, MD

    Addiction MedicineIllinois, IL10+ years in practice
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  48. #48

    Christine Boumitri, MD

    GastroenterologyIllinois, IL14+ years in practice
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  49. #49

    Michael Flynn, MD

    Concierge MedicineFlorida, FL20+ years in practice
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  50. #50

    Osama Alaradi, MD

    GastroenterologyOhio, OH20+ years in practice
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  51. #51

    Alhareth Al Juboori, MD

    GastroenterologyArizona, AZ13+ years in practice
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  52. #52

    Siyan Cao, MD

    Addiction MedicineIllinois, IL10+ years in practice
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  53. #53

    Jaquelyn Fleckenstein, MD

    GastroenterologyIllinois, IL20+ years in practice
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  54. #54

    Ghulam Siddiqui, MD

    GastroenterologyMissouri, MO18+ years in practice
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  55. #55

    Youssef Assioun, MD

    GastroenterologyMissouri, MO19+ years in practice
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  56. #56

    Rajeev Ramgopal, MD

    GastroenterologyMissouri, MO14+ years in practice
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  57. #57

    Athanasios Desalermos, MD

    GastroenterologyMassachusetts, MA14+ years in practice
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  58. #58

    Michele Diaz-Arias, MD

    GastroenterologyMissouri, MO20+ years in practice
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  59. #59

    Sajidul Ansari, MD

    GastroenterologyMissouri, MO20+ years in practice
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