NPI Central

Colonoscopy Providers in Frederick, MD

Ranked by documented Medicare service volume (2024).

21 providers in Frederick, Maryland 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 Frederick
21
Data year
2024
Registry vintage
June 2026

Colonoscopy providers in Frederick

Ranked by Medicare service volume.
  1. 1

    Endoscopy Clinic/Center · Frederick, MD

    2,189 Medicare services (2024)

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  2. 2

    Ambulatory Surgical Clinic/Center · Frederick, MD

    515 Medicare services (2024)

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  3. 3

    Gastroenterology Physician · Frederick, MD

    465 Medicare services (2024)

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  4. 4

    Gastroenterology Physician · Frederick, MD

    358 Medicare services (2024)

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  5. 5

    Gastroenterology Physician · Frederick, MD

    345 Medicare services (2024)

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  6. 6

    Endoscopy Clinic/Center · Frederick, MD

    344 Medicare services (2024)

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  7. 7

    Specialist · Frederick, MD

    338 Medicare services (2024)

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  8. 8

    Gastroenterology Physician · Frederick, MD

    335 Medicare services (2024)

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  9. 9

    Gastroenterology Physician · Frederick, MD

    332 Medicare services (2024)

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  10. 10

    Endoscopy Clinic/Center · Frederick, MD

    324 Medicare services (2024)

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  11. 11

    Gastroenterology Physician · Frederick, MD

    323 Medicare services (2024)

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  12. 12

    Gastroenterology Physician · Frederick, MD

    218 Medicare services (2024)

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  13. 13

    Gastroenterology Physician · Frederick, MD

    215 Medicare services (2024)

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  14. 14

    Gastroenterology Physician · Frederick, MD

    211 Medicare services (2024)

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  15. 15

    Gastroenterology Physician · Frederick, MD

    207 Medicare services (2024)

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  16. 16
    Nelson ChuangM.D., M.H.S.

    Gastroenterology Physician · Frederick, MD

    172 Medicare services (2024)

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  17. 17

    Gastroenterology Physician · Frederick, MD

    145 Medicare services (2024)

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  18. 18

    Gastroenterology Physician · Frederick, MD

    120 Medicare services (2024)

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  19. 19

    Gastroenterology Physician · Frederick, MD

    72 Medicare services (2024)

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  20. 20

    Gastroenterology Physician · Frederick, MD

    71 Medicare services (2024)

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  21. 21

    Gastroenterology Physician · Frederick, MD

    61 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).