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

Charles Thomas Koon, MD

Individual provider Internal Medicine Physician · NPI 1467815886

Charles Thomas Koon, MD is a Hospitalist in Walla Walla, Washington. Qualified in 2015, 11 years ago. Practices with Providence Health and Services - Washington, a 264-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Washington.

Years since qualifying
11
Licensed in
WA
In the registry since
2016
Specialties on file
3
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

401 W Poplar St
Walla Walla, WA 99362-2846
Phone: (509) 897-3320
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 121 Dekalb Ave, Brooklyn, NY 11201-5425 — (718) 250-6604

Specialties & licences

Hospitalist Physician (primary) Taxonomy 208M00000X · Licence MD61016069 (WA)
Internal Medicine Physician Taxonomy 207R00000X · Licence MD61016069 (WA)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X

Record details

NPI number1467815886
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 2, 2016
Last updated in NPPESFebruary 3, 2021
Certification dateFebruary 3, 2021

Medicare enrollment

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

Medicare specialtyHOSPITALIST
Also practisesINTERNAL MEDICINE
Medical schoolOTHER
Graduated 2015 (11 years in practice)
Group practice Providence Health And Services - Washington — 264 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Walla Walla