NPPES file of Aug 9, 2026

Zarathustra L. West, RN

Certified Registered Nurse Anesthetist · San Leandro, CA

Zarathustra L. West, RN is a certified registered nurse anesthetist with a practice address in San Leandro, California, and NPI 1942609714, issued on Aug 18, 2014. Check the license (California 742904, as entered in NPPES) 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
1942609714
Name
Zarathustra L. West
Credential
RN
Primary taxonomy
Certified Registered Nurse Anesthetist 367500000X
License number
742904 CA
Self-reported in NPPES; status is on the state search
Practice location
2500 Merced St, San Leandro, CA 94577
Phone
(510) 454-1000
Enumerated
Aug 18, 2014
Record last updated
Mar 14, 2024
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 2500 Merced St

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

  1. Rabiatu Abdullah, M.D.Emergency Medicine Physician1497833248
  2. Scott Abramson, M.D.Neurology Physician1891873667
  3. Jayaprada Achanta, M.D.Anesthesiology Physician1053463851
  4. Kristi Adachi, PHARMDPharmacist1396456737
  5. Mary Grace Aguayo, CRTCertified Respiratory Therapist1467923730
  6. Jatinder AhluwaliaPharmacist1508391483

Verify Zarathustra L. West in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license 742904
    Check 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.

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The practice group's MIPS final score for 2023 (Medicare payment program): 91 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 score82.1
  2. Costout of 100 · 30%64.1
  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).

Zarathustra L. West among 2,943 certified registered nurse anesthetist records in California

Zarathustra L. West, RN 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 2014, is newer than 52% of them.

  • NPI issued2014 · 52% of these records are older, 45% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileNo · 71% of these records are
  • Record last updated2024 · 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).

Certified Registered Nurse Anesthetist providers in California

There are 2,943 certified registered nurse anesthetist records in California.

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

  1. Jacob Bayani, C.R.N.ASan Leandro, CA 945771285690446
  2. Steven BazanSan Leandro, CA 945771336690387
  3. Jaclyn Cho, CRNASan Leandro, CA 945771407919640
  4. Joseph Janakes, CRNASan Leandro, CA 945771275682635
  5. Cindy Lee, C.R.N.ASan Leandro, CA 945771538407481
  6. Jennifer LimSan Leandro, CA 945771245873520
  7. Rajlakshmi Menon, CRNASan Leandro, CA 945771770645483
  8. Andrew PhanSan Leandro, CA 945771720693054

Common questions

What is Zarathustra L. West, RN's NPI number?

Zarathustra L. West, RN's National Provider Identifier (NPI) is 1942609714, issued on Aug 18, 2014. An NPI identifies a provider in billing; it is not a license.

Where is Zarathustra L. West, RN located?

The NPPES record lists a practice address at 2500 Merced St, San Leandro, CA, 94577. Phone: (510) 454-1000. Providers update this record themselves, so call before visiting.

How can I verify Zarathustra L. West, RN's license?

NPPES lists California license number 742904, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

What is Zarathustra L. West, RN's MIPS final score?

The 2023 MIPS final score is 91 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.