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

Individual provider Internal Medicine Physician · NPI 1669834768

Antonette Kanishka Karrthik, MD is a Hospitalist in Kirkland, Washington. Qualified in 2012, 14 years ago. Practices with King County Public Hospital District No 2, a 585-clinician group and accepts Medicare assignment. Licensed in Washington.

Years since qualifying
14
Licensed in
WA
In the registry since
2016
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

12040 NE 128th St # MS -105
Kirkland, WA 98034-3013
Phone: (425) 899-2560
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Hospitalist Physician (primary) Taxonomy 208M00000X · Licence MD60944831 (WA)
Internal Medicine Physician Taxonomy 207R00000X · Licence MD60944831 (WA)

Record details

NPI number1669834768
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorYes
NPI enumeratedMarch 28, 2016
Last updated in NPPESFebruary 18, 2025
Certification dateFebruary 18, 2025

Medicare enrollment

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

Medicare specialtyHOSPITALIST
Medical schoolOTHER
Graduated 2012 (14 years in practice)
Group practice King County Public Hospital District No 2 — 585 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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