Colonoscopy Providers in California

1. 1
   Monterey Bay Endoscopy Center LLC

   Ambulatory Surgical Clinic/Center · Monterey, CA

   3,674 Medicare services (2024)

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2. 2
   The Endoscopy Center of Santa Maria LLC

   Ambulatory Surgical Clinic/Center · Santa Maria, CA

   3,469 Medicare services (2024)

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3. 3
   Mirage Endoscopy Center, L.p.

   Ambulatory Surgical Clinic/Center · Rancho Mirage, CA

   3,021 Medicare services (2024)

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4. 4
   Fresno Ca Endoscopy Asc, Lp

   Ambulatory Surgical Clinic/Center · Fresno, CA

   2,537 Medicare services (2024)

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5. 5
   Roseville Endoscopy Center, LLC

   Endoscopy Clinic/Center · Roseville, CA

   2,288 Medicare services (2024)

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6. 6
   Sansum Clinic

   Ambulatory Surgical Clinic/Center · Santa Barbara, CA

   2,083 Medicare services (2024)

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7. 7
   Pasadena Endoscopy Center Inc

   Endoscopy Clinic/Center · Pasadena, CA

   2,082 Medicare services (2024)

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8. 8
   Hoag Outpatient Centers, LLC

   Ambulatory Surgical Clinic/Center · Newport Beach, CA

   2,052 Medicare services (2024)

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9. 9
   Sutter Bay Medical Foundation

   Ambulatory Surgical Clinic/Center · Mountain View, CA

   2,015 Medicare services (2024)

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10. 10
    Sutter Bay Medical Foundation

    Ambulatory Surgical Clinic/Center · Palo Alto, CA

    1,984 Medicare services (2024)

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11. 11
    Gastroenterology Associates Endoscopy Center, LLC

    Ambulatory Surgical Clinic/Center · Redding, CA

    1,946 Medicare services (2024)

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12. 12
    San Francisco Endoscopy Center LLC

    Ambulatory Surgical Clinic/Center · San Francisco, CA

    1,844 Medicare services (2024)

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13. 13
    Oakland Ca Endoscopy Asc Lp

    Ambulatory Surgical Clinic/Center · Oakland, CA

    1,801 Medicare services (2024)

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14. 14
    Valley Endoscopy Center Lp

    Ambulatory Surgical Clinic/Center · Tarzana, CA

    1,777 Medicare services (2024)

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15. 15
    Folsom Endoscopy Center LLC

    Ambulatory Surgical Clinic/Center · Folsom, CA

    1,713 Medicare services (2024)

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16. 16
    Sierra Endoscopy Center, LLC

    Ambulatory Surgical Clinic/Center · Grass Valley, CA

    1,698 Medicare services (2024)

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17. 17
    Aspen Surgery Center, LLC

    Ambulatory Surgical Clinic/Center · Walnut Creek, CA

    1,679 Medicare services (2024)

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18. 18
    Premier Surgery Center

    Ambulatory Surgical Clinic/Center · Concord, CA

    1,651 Medicare services (2024)

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19. 19
    Scripps Health

    Ambulatory Surgical Clinic/Center · La Jolla, CA

    1,592 Medicare services (2024)

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20. 20
    Newport Beach Endoscopy Center, LLC

    Ambulatory Surgical Clinic/Center · Newport Beach, CA

    1,566 Medicare services (2024)

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21. 21
    Endoscopy Center of the South Bay Lp

    Ambulatory Surgical Clinic/Center · Torrance, CA

    1,560 Medicare services (2024)

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22. 22
    Glbesc, LLC

    Ambulatory Surgical Clinic/Center · Long Beach, CA

    1,536 Medicare services (2024)

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23. 23
    National Ambulatory Surgery Center, LLC

    Ambulatory Surgical Clinic/Center · Los Gatos, CA

    1,528 Medicare services (2024)

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24. 24
    Central Coast Endoscopy Center Inc

    Ambulatory Surgical Clinic/Center · Freedom, CA

    1,520 Medicare services (2024)

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25. 25
    The Endoscopy Center, Inc.

    Ambulatory Surgical Clinic/Center · Yuba City, CA

    1,518 Medicare services (2024)

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26. 26
    Irvine Endoscopy Partners LLC

    Ambulatory Surgical Clinic/Center · Irvine, CA

    1,508 Medicare services (2024)

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27. 27
    Ventura Endoscopy Center LLC

    Ambulatory Surgical Clinic/Center · Ventura, CA

    1,508 Medicare services (2024)

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28. 28
    Peninsula Endoscopy Center LLC

    Endoscopy Clinic/Center · Burlingame, CA

    1,457 Medicare services (2024)

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29. 29
    Los Robles Surgicenter, LLC

    Ambulatory Surgical Clinic/Center · Thousand Oaks, CA

    1,450 Medicare services (2024)

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30. 30
    Waverley Surgery Center LLC

    Ambulatory Surgical Clinic/Center · Palo Alto, CA

    1,450 Medicare services (2024)

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31. 31
    Truxtun Surgery Center Inc

    Ambulatory Surgical Clinic/Center · Bakersfield, CA

    1,399 Medicare services (2024)

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32. 32
    Cedars-Sinai Endoscopy

    Endoscopy Clinic/Center · Beverly Hills, CA

    1,370 Medicare services (2024)

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33. 33
    Tegpal Atwal

    Gastroenterology Physician · Saint Helena, CA

    1,326 Medicare services (2024)

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34. 34
    San Diego Endoscopy Center

    Ambulatory Surgical Clinic/Center · San Diego, CA

    1,283 Medicare services (2024)

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35. 35
    Center for Endoscopy LLC

    Ambulatory Surgical Clinic/Center · Oceanside, CA

    1,267 Medicare services (2024)

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36. 36
    The Arcadia Ca Endoscopy Asc Lp

    Ambulatory Surgical Clinic/Center · Arcadia, CA

    1,232 Medicare services (2024)

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37. 37
    Executive Surgery Center, Inc.

    Ambulatory Surgical Clinic/Center · Danville, CA

    1,226 Medicare services (2024)

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38. 38
    Golden Gate Endoscopy Center, LLC

    Ambulatory Surgical Clinic/Center · San Francisco, CA

    1,202 Medicare services (2024)

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39. 39
    Advanced Diagnostic and Surgical Center Inc.

    Ambulatory Surgical Clinic/Center · Alhambra, CA

    1,201 Medicare services (2024)

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40. 40
    Apollo Surgery Center LLC

    Ambulatory Surgical Clinic/Center · Lancaster, CA

    1,199 Medicare services (2024)

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41. 41
    Fort Sutter Surgery Center a California Limited Partnership

    Ambulatory Surgical Clinic/Center · Sacramento, CA

    1,198 Medicare services (2024)

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42. 42
    Endoscopy Center of Santa Monica LLC

    Endoscopy Clinic/Center · Los Angeles, CA

    1,181 Medicare services (2024)

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43. 43
    Alameda Surgery Center LLC

    Clinic/Center · Burbank, CA

    1,143 Medicare services (2024)

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44. 44
    Endoscopy Center of Southern California LLC

    Endoscopy Clinic/Center · Santa Monica, CA

    1,139 Medicare services (2024)

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45. 45
    Pavilion Surgery Center LLC

    Ambulatory Surgical Clinic/Center · Orange, CA

    1,121 Medicare services (2024)

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46. 46
    Marin Endoscopy Center, LLC

    Ambulatory Surgical Clinic/Center · Greenbrae, CA

    1,080 Medicare services (2024)

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47. 47
    Coastal Surgical Specialists, Inc.

    Ambulatory Surgical Clinic/Center · Pismo Beach, CA

    1,078 Medicare services (2024)

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48. 48
    Encinitas Endoscopy Center, LLC

    Ambulatory Surgical Clinic/Center · Encinitas, CA

    1,033 Medicare services (2024)

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49. 49
    Steven JohnsonM.D

    Gastroenterology Physician · Salinas, CA

    1,012 Medicare services (2024)

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50. 50
    Santa Rosa Surgery Center L P

    Ambulatory Surgical Clinic/Center · Santa Rosa, CA

    990 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).