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

Organization Certified Registered Nurse Anesthetist · NPI 1801097407

Four Rivers Anesthesia PC is a Certified Registered Nurse Anesthetist in Ontario, Oregon. Licensed in Oregon. Registered with an NPI since 2007.

Licensed in
OR
In the registry since
2007
What do these letters mean?
PC — Professional corporation
A form of business registration, not a clinical qualification.

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Practice location Address checks out

351 SW 9th St
Ontario, OR 97914
Phone: (541) 889-5331
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Certified Registered Nurse Anesthetist (primary) Taxonomy 367500000X · Licence 096007764CRNA (OR)

Record details

NPI number1801097407
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Michael Ohara — Owner · (208) 642-9293
NPI enumeratedMay 30, 2007
Last updated in NPPESNovember 1, 2010
Mailing address5319 Sw Westgate Dr, 241, Portland, OR 97221-2432

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