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

Dr. Clayton John Sontheimer, MD

Individual provider Pediatrics Physician · NPI 1679736649

Dr. Clayton John Sontheimer, MD is a Pediatrics Physician in Seattle, Washington. Licensed in Washington. Registered with an NPI since 2008.

Licensed in
WA
In the registry since
2008
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

4800 Sand Point Way NE Mail Stop R-5420
Seattle, WA 98105
Phone: (314) 974-6773
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Pediatric Rheumatology Physician (primary) Taxonomy 2080P0216X · Licence 60207732 (WA)
Pediatrics Physician Taxonomy 208000000X · Licence 60207732 (WA)

Record details

NPI number1679736649
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 9, 2008
Last updated in NPPESMay 23, 2018

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