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

Calvin H Knapp Jr., MD

Individual provider Otolaryngology Physician · NPI 1841258019

Calvin H Knapp Jr., MD is an Otolaryngology Physician in Seattle, Washington. Licensed in Washington. Registered with an NPI since 2006.

Licensed in
WA
In the registry since
2006
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

515 Minor Ave Ste 140
Seattle, WA 98104-2133
Phone: (206) 838-8345
Fax: (206) 838-8346
Show map & directions

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

Specialties & licences

Otolaryngology Physician (primary) Taxonomy 207Y00000X · Licence MD00027495 (WA)

Record details

NPI number1841258019
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 3, 2006
Last updated in NPPESMarch 31, 2016

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