NPI Central

Colonoscopy Providers in Oregon

Ranked by documented Medicare service volume (2024).

263 providers in Oregon have Medicare claims for colonoscopy. Ordering reflects documented Medicare service volume — a transparency signal, not a quality or "best" ranking. Open any provider for their full profile, map, and the procedures they bill Medicare.

Providers in OR
263
Data year
2024
Registry vintage
June 2026

Colonoscopy providers in Oregon

Ranked by Medicare service volume.
  1. 1
    Oregon Endoscopy Center, LLC

    Ambulatory Surgical Clinic/Center · Springfield, OR

    1,751 Medicare services (2024)

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  2. 2
    West Hills Gastroenterology Equipment Corp

    Endoscopy Clinic/Center · Portland, OR

    1,648 Medicare services (2024)

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  3. 3
    Portland Gastroenterology Equipment

    Endoscopy Clinic/Center · Portland, OR

    1,389 Medicare services (2024)

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  4. 4
    Bend Surgery Center LLC

    Ambulatory Surgical Clinic/Center · Bend, OR

    1,253 Medicare services (2024)

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  5. 5
    Salem Endoscopy Center, LLC

    Ambulatory Surgical Clinic/Center · Salem, OR

    1,153 Medicare services (2024)

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  6. 6
    Surgery Center of Southern Oregon, LLC

    Ambulatory Surgical Clinic/Center · Medford, OR

    1,071 Medicare services (2024)

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  7. 7
    Samaritan Endoscopy LLC

    Ambulatory Surgical Clinic/Center · Corvallis, OR

    920 Medicare services (2024)

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  8. 8
    Ngc Endoscopy Services LLC

    Ambulatory Surgical Clinic/Center · Portland, OR

    778 Medicare services (2024)

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  9. 9
    Nbmc Day Surgery Inc

    Ambulatory Surgical Clinic/Center · Coos Bay, OR

    629 Medicare services (2024)

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  10. 10
    Gso Equipment Corp

    Endoscopy Clinic/Center · Tualatin, OR

    622 Medicare services (2024)

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  11. 11
    Gregory WintersMD

    Gastroenterology Physician · Medford, OR

    531 Medicare services (2024)

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  12. 12
    Laurel HartwellM.D.

    Gastroenterology Physician · Bend, OR

    490 Medicare services (2024)

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  13. 13
    Adam MougeyM.D.

    Gastroenterology Physician · Medford, OR

    489 Medicare services (2024)

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  14. 14
    Matthew Weed

    Gastroenterology Physician · Bend, OR

    441 Medicare services (2024)

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  15. 15
    Cascade Endoscopy Center, LLC

    Ambulatory Surgical Clinic/Center · Springfield, OR

    412 Medicare services (2024)

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  16. 16
    Gregory SchwartzMD

    Specialist · Corvallis, OR

    409 Medicare services (2024)

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  17. 17
    Central Oregon Surgery Center, LLC

    Endoscopy Clinic/Center · Bend, OR

    401 Medicare services (2024)

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  18. 18
    The Corvallis Clinic P C

    Ambulatory Surgical Clinic/Center · Corvallis, OR

    401 Medicare services (2024)

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  19. 19
    Peter AdesmanMD

    Gastroenterology Physician · Medford, OR

    391 Medicare services (2024)

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  20. 20
    Phuong NguyenM.D.

    Colon & Rectal Surgery Physician · Redmond, OR

    353 Medicare services (2024)

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  21. 21
    Robert AndrewsM.D.

    Gastroenterology Physician · Bend, OR

    324 Medicare services (2024)

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  22. 22
    Matthew WaltonM.D.

    Gastroenterology Physician · Corvallis, OR

    320 Medicare services (2024)

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  23. 23
    Harry ParkMD

    Gastroenterology Physician · Springfield, OR

    300 Medicare services (2024)

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  24. 24
    Gso Equipment Corp

    Endoscopy Clinic/Center · Newberg, OR

    293 Medicare services (2024)

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  25. 25
    Nazmul HoqueMD

    Gastroenterology Physician · Newport, OR

    276 Medicare services (2024)

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  26. 26
    Gso Equipment Corp

    Endoscopy Clinic/Center · Oregon City, OR

    274 Medicare services (2024)

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  27. 27
    Richard NelsonD.O.

    Surgery Physician · Grants Pass, OR

    268 Medicare services (2024)

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  28. 28
    Katherine HodaMD

    Gastroenterology Physician · Salem, OR

    254 Medicare services (2024)

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  29. 29
    Meghan GilroyM.D.

    Gastroenterology Physician · Bend, OR

    248 Medicare services (2024)

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  30. 30
    Robert PonecMD

    Gastroenterology Physician · Salem, OR

    247 Medicare services (2024)

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  31. 31
    Chad MorseM.D.

    Gastroenterology Physician · Corvallis, OR

    246 Medicare services (2024)

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  32. 32
    Peter KayMD

    Gastroenterology Physician · Springfield, OR

    246 Medicare services (2024)

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  33. 33
    Portland Clinic

    Ambulatory Surgical Clinic/Center · Tigard, OR

    241 Medicare services (2024)

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  34. 34
    Paul EvansM.D.

    Gastroenterology Physician · Springfield, OR

    239 Medicare services (2024)

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  35. 35
    Abhinav TiwariMD

    Gastroenterology Physician · Springfield, OR

    237 Medicare services (2024)

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  36. 36
    Grants Pass Surgery Center, LLC

    Ambulatory Surgical Clinic/Center · Grants Pass, OR

    225 Medicare services (2024)

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  37. 37
    Jubeen MoavenMD

    Gastroenterology Physician · Springfield, OR

    222 Medicare services (2024)

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  38. 38
    Raphael El YoussefMBBS

    Surgery Physician · Coos Bay, OR

    221 Medicare services (2024)

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  39. 39
    Jonathan HattenhauerD.O.

    Gastroenterology Physician · Milwaukie, OR

    215 Medicare services (2024)

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  40. 40
    Ryan De LeeMD

    Gastroenterology Physician · Springfield, OR

    208 Medicare services (2024)

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  41. 41
    Charles JamesM.D.

    Surgery Physician · Coos Bay, OR

    208 Medicare services (2024)

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  42. 42
    Nabil ChoueiriM.D.

    Gastroenterology Physician · Salem, OR

    206 Medicare services (2024)

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  43. 43
    Terrence LeeMD

    Gastroenterology Physician · Springfield, OR

    205 Medicare services (2024)

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  44. 44
    Anthony RazzakM.D.

    Gastroenterology Physician · Portland, OR

    204 Medicare services (2024)

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  45. 45
    Davis SimMD PHD

    Gastroenterology Physician · Springfield, OR

    203 Medicare services (2024)

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  46. 46
    Sheeten DoshiM.D.

    Gastroenterology Physician · Tigard, OR

    200 Medicare services (2024)

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  47. 47
    Sandra HollowayMD

    Gastroenterology Physician · Bend, OR

    197 Medicare services (2024)

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  48. 48
    Mark MasonM.D.

    Surgery Physician · Medford, OR

    193 Medicare services (2024)

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  49. 49
    Donald YangMD

    Gastroenterology Physician · Springfield, OR

    182 Medicare services (2024)

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  50. 50
    John GibsonMD

    Internal Medicine Physician · Mcminnville, OR

    178 Medicare services (2024)

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Counts and ordering reflect Medicare fee-for-service claims (2024) from the CMS Medicare Physician & Other Practitioners dataset — a 65+ subset, not all care, and not a quality, outcome, or "best" ranking. Absence from this list does not mean a provider does not perform colonoscopy. Source: CMS NPPES (June 2026).