Tristine Leigh Onuski
Acute Care Nurse Practitioner · Los Angeles, CA
Tristine Leigh Onuski is an acute care nurse practitioner with a practice address in Los Angeles, California, and NPI 1639841018, issued on Oct 4, 2021. Check the license (California 95018649, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Tristine Leigh Onuski
- Primary taxonomy
- Acute Care Nurse Practitioner 363LA2100X
- License number
- 95018649 CA
Self-reported in NPPES; status is on the state search - Practice location
- 757 Westwood Plz # 7ICU, Los Angeles, CA 90095
- Phone
- (310) 267-7741
- Enumerated
- Oct 4, 2021
- Record last updated
- May 8, 2023
- Medicare enrollment
- Enrolled (PECOS I20220715002428); accepts Medicare assignment
- Entity
- Type 1 · individual
Also registered at 757 Westwood Plz # 7ICU
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Megan Brenner, M.D.Surgery Physician1831373851
- Sirisha Rao, M.D.Critical Care Medicine (Anesthesiology) Physician1902160914
- Andrew Young, MDAnesthesiology Physician1336415934
Verify Tristine Leigh Onuski in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 95018649Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average acute care nurse practitioner in 2024
14 Medicare Part D claims, against an average of 594 among the 13,133 providers of this specialty who prescribed in Part D.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 87.7 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.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
One hospital affiliation
- Cedars-Sinai Medical CenterWest Hollywood, CA · Acute Care Hospitals5 of 5 stars
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Acute Care Nurse Practitioner providers in California
There are 1,810 acute care nurse practitioner records in California.
Other acute care nurse practitioner records in California
- Jessica AaronsonLynwood, CA1407355571
- Shahrin Abdalian, NPFresno, CA1043716186
- Naima Abdirahman, NPLong Beach, CA1215640560
- Jenna Abeloe, NPVentura, CA1679090393
- Rhonald AbitonaSan Francisco, CA1164993473
- Tara Abrams, NPLos Angeles, CA1114536679
- Andrea Abramson, RN, CNS, NPRancho Mirage, CA1548187784
- Sherrell Abriam, ARNPSacramento, CA1457695132
- Christopher Acebedo, NPSan Francisco, CA1104085109
- Veronica Acevedo, ACNP-BCLos Angeles, CA1588214795
Common questions
What is Tristine Leigh Onuski's NPI number?
Tristine Leigh Onuski's National Provider Identifier (NPI) is 1639841018, issued on Oct 4, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Tristine Leigh Onuski located?
The NPPES record lists a practice address at 757 Westwood Plz # 7ICU, Los Angeles, CA, 90095. Phone: (310) 267-7741. Providers update this record themselves, so call before visiting.
How can I verify Tristine Leigh Onuski's license?
NPPES lists California license number 95018649, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Tristine Leigh Onuski prescribe under Medicare Part D?
In 2024, Tristine Leigh Onuski had 14 Medicare Part D claims; the average among acute care nurse practitioner prescribers was 594. Part D covers Medicare prescriptions only.
What is Tristine Leigh Onuski's MIPS final score?
The 2023 MIPS final score is 87.7 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.