Four Rivers Anesthesia PC
NPI 1801097407 · Certified Registered Nurse Anesthetist · Ontario, OR
Four Rivers Anesthesia PC is a Certified Registered Nurse Anesthetist organization in Ontario, OR (NPI 1801097407).
Provider details
- NPI number
- 1801097407
- Entity type
- Organization
- Primary specialty
- Certified Registered Nurse AnesthetistPhysician Assistants & Advanced Practice Nursing Providers
- Organization subpart
- No
- Authorized official
- Michael Ohara, Owner(208) 642-9293
- License
- 096007764CRNA (OR)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-05-30
- Last updated
- 2010-11-01
Frequently asked questions
- What is Four Rivers Anesthesia PC's NPI number?
- Four Rivers Anesthesia PC's National Provider Identifier (NPI) is 1801097407, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Four Rivers Anesthesia PC?
- Four Rivers Anesthesia PC is classified in the NPPES registry as Certified Registered Nurse Anesthetist (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Four Rivers Anesthesia PC located?
- Four Rivers Anesthesia PC's practice location on file with NPPES is 351 Sw 9th St, Ontario, OR 97914.
- What is Four Rivers Anesthesia PC's phone number?
- The practice phone number listed in the NPPES registry for Four Rivers Anesthesia PC is (541) 889-5331.
- Who is the authorized official for Four Rivers Anesthesia PC?
- The authorized official listed on Four Rivers Anesthesia PC's NPPES record is Michael Ohara, Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Four Rivers Anesthesia PC's NPI active?
- Yes — Four Rivers Anesthesia PC's NPI (1801097407) is active in the NPPES registry as of the last update on 2010-11-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.