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

Timothy Isamu O'Connor, MD

Individual provider Pediatrics Physician · NPI 1073856043

Timothy Isamu O'Connor, MD is a Pediatrics Physician in Walla Walla, Washington. Licensed in Washington. Registered with an NPI since 2013.

Licensed in
WA
In the registry since
2013
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

55 W Tietan St
Walla Walla, WA 99362-4445
Phone: (509) 525-3720
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Pediatrics Physician (primary) Taxonomy 208000000X · Licence MD60658842 (WA)
Pediatrics Physician Taxonomy 208000000X · Licence ML60368579 (WA)

Record details

NPI number1073856043
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 28, 2013
Last updated in NPPESJune 2, 2016

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