NPPES file of Aug 9, 2026

Leilani O. Oster, CRNA

Certified Registered Nurse Anesthetist · Oroville, CA

Leilani O. Oster, CRNA is a certified registered nurse anesthetist with a practice address in Oroville, California, and NPI 1982791034, issued on Oct 9, 2006. Check the license with the California board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1982791034
Name
Leilani O. Oster
Credential
CRNA
Primary taxonomy
Certified Registered Nurse Anesthetist 367500000X
License number
RN-56426 HI
Self-reported in NPPES; status is on the state search
Practice location
2767 Olive Hwy, Oroville, CA 95966
Phone
(530) 532-8000
Enumerated
Oct 9, 2006
Record last updated
May 6, 2016 (not updated in 10 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20140107001164); accepts Medicare assignment
Medical or professional school
Kaiser Permanente School Of Medicine, 2005
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 2767 Olive Hwy

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Robert Abbott, DOInternal Medicine Physician1477015329
  2. Samuel Acebo, MSN, CRNACertified Registered Nurse Anesthetist1083131445
  3. Natashya Adams, FNP-CFamily Nurse Practitioner1063979110
  4. Yesong AhnStudent in an Organized Health Care Education/Training Program1881532810
  5. Vanessa Akines, FNPNurse Practitioner1790417434
  6. Phillip Anderson, MDStudent in an Organized Health Care Education/Training Program1811835572

Verify Leilani O. Oster in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this professionCheck the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

The practice group's MIPS final score for 2023 (Medicare payment program): 73.3 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score36.9
  2. Costout of 100 · 30%57.8
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Bills Medicare through one group practice

  1. Orohealth Corporation A Non Profit Healthcare SystemOroville, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Leilani O. Oster among 2,943 certified registered nurse anesthetist records in California

Leilani O. Oster, CRNA is one of 2,943 certified registered nurse anesthetist records with a practice address in California. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 2% of them.

  • NPI issued2006 · 2% of these records are older, 77% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 71% of these records are
  • Graduated2005 · median 2016 among the 2,089 with a school on file
  • Record last updated2016 · 51% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 367500000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

18 certified registered nurse anesthetist records list a practice address in Oroville

They are 18 of the 916 NPPES records with a practice address in Oroville, and 2,943 certified registered nurse anesthetist records in California.

The 8 certified registered nurse anesthetist records with the nearest ZIP codes

  1. Samuel Acebo, MSN, CRNAOroville, CA 959661083131445
  2. Davis CamenOroville, CA 959661134703564
  3. Omar Carbajal, CRNAOroville, CA 959661275251944
  4. Eva CsillagOroville, CA 959661154838654
  5. James Gibson, DNPOroville, CA 959661437719168
  6. Sebastian Boy Maderazo, CRNAOroville, CA 959661508437823
  7. Jeremy May, CRNA, MSNOroville, CA 959661831387810
  8. Arash NikookarOroville, CA 959661417670415

Common questions

What is Leilani O. Oster, CRNA's NPI number?

Leilani O. Oster, CRNA's National Provider Identifier (NPI) is 1982791034, issued on Oct 9, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Leilani O. Oster, CRNA located?

The NPPES record lists a practice address at 2767 Olive Hwy, Oroville, CA, 95966. Phone: (530) 532-8000. Providers update this record themselves, so call before visiting.

How can I verify Leilani O. Oster, CRNA's license?

Search the California board that licenses this profession; the NPPES record confirms identity only.

What is Leilani O. Oster, CRNA's MIPS final score?

The 2023 MIPS final score is 73.3 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.