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Search › Washington › Gastroenterology Physician

Johannes Koch, MD

NPI 1396716148 · on the registry since 2006

Practice

Address
1100 9th Ave
Seattle, WA 98101
Phone
(206) 223-2319
Organisation at this address
Seattle Extracorporeal Llc
Virginia Mason Medical Center
Virginia Mason Medical Center
Virginia Mason Medical Center
Virginia Mason Medical Center
Inferred from a shared address, not stated in the registry.
Clinicians at this address
1,099

Additional practice sites

  • 100 Hospital Dr, Suite 201, Ketchum, ID

Registry record

Primary taxonomy
Gastroenterology Physician
207RG0100X
Also registered as
Gastroenterology Physician
Licence states on file
ID, WA
From the registry's licence fields, which are often incomplete.
Sex
Male
Record last updated
2026-06-18

Source: CMS National Plan and Provider Enumeration System. Registration is not the same as practising, and the registry records no retirement — some people listed here no longer practise. More in Washington