Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Dr. Charles Stewart Landis, MD

Individual provider Gastroenterology Physician · NPI 1659512895

Dr. Charles Stewart Landis, MD is a Gastroenterology in Seattle, Washington. Qualified in 2002, 24 years ago. Practices with Kaiser Foundation Health Plan of Washington, a 1,519-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in New York and Washington.

Years since qualifying
24
Licensed in
NY, WA
In the registry since
2009
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

125 16th Ave E
Seattle, WA 98112-5211
Phone: (206) 326-3000
Fax: (877) 515-2975
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • University Of Washington Medical Center, Seattle, WA 98195-2401 — (206) 598-4908

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X · Licence 60082609 (WA)
Gastroenterology Physician Taxonomy 207RG0100X · Licence 237642 (NY)

Record details

NPI number1659512895
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedMarch 18, 2009
Last updated in NPPESDecember 8, 2022
Certification dateDecember 8, 2022

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyGASTROENTEROLOGY
Medical schoolOTHER
Graduated 2002 (24 years in practice)
Group practice Kaiser Foundation Health Plan Of Washington — 1519 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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