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

Individual provider Internal Medicine Physician · NPI 1235494105

Dr. Prasit Phowthongkum, MD is an Internal Medicine Physician in Seattle, Washington. Practices as a sole proprietor. Licensed in Pennsylvania and Washington.

Licensed in
PA, WA
In the registry since
2012
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

Health Sciences Bldg K-253 University OF Washington Division OF Medical Genetics
Seattle, WA 98195
Phone: (206) 616-4521
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Specialties & licences

Clinical Genetics (M.D.) Physician (primary) Taxonomy 207SG0201X · Licence ML60566212 (WA)
Internal Medicine Physician Taxonomy 207R00000X · Licence MT201870 (PA)

Record details

NPI number1235494105
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedJuly 6, 2012
Last updated in NPPESJuly 2, 2015

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