Registry data as of Aug 27, 2026

Darlene Sierra

Technician · Los Angeles, CA

Darlene Sierra is a technician with a practice address in Los Angeles, California, and NPI 1497945927, issued on Jul 31, 2007. Check the license with the California board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, loaded Aug 27, 2026 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1497945927
Name
Darlene Sierra
Primary taxonomy
Technician 374700000X
Practice location
450 Bauchet St, Los Angeles, CA 90012
Phone
(213) 473-6153
Enumerated
Jul 31, 2007
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 450 Bauchet St

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

  1. Rey Abejar, R.N.Psychiatric/Mental Health Registered Nurse1194977819
  2. Salvador AcevedoPsychiatric/Mental Health Registered Nurse1740634765
  3. Prince Acquah, NPFamily Nurse Practitioner1902415623
  4. Samer Al Haddadin, PHARMD, J.D.Pharmacist1023392107
  5. Aknesa AnanikyanCase Manager/Care Coordinator1548625452
  6. Vincent AnguloAddiction (Substance Use Disorder) Counselor1154676013

Verify Darlene Sierra 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.

Statewide context: the Medical Board of California reported 374 disciplinary actions in FY 2022-23. California discipline data →

Technician providers in California

There are 616 technician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 616 in California → Every provider in Los Angeles →

Other technician records in California

  1. Kasandra AbarcaGrass Valley, CA1487532347
  2. Alin Abedian, CPT 1/ PHLEBOTOMISTGlendale, CA1487435988
  3. Jessica AcevedoModesto, CA1831748565
  4. Jasmine Acocella, CPT1Sacramento, CA1033859582
  5. Cathya AcunaDublin, CA1528538998
  6. Adrienne AguayoSun Valley, CA1982369104
  7. Arely Aguayo RamosSacramento, CA1609690692
  8. Maria AguilarTulare, CA1548044720
  9. Gerard AguirreSanta Ana, CA1235187782
  10. Johnathan AguirreSan Diego, CA1609574748

Common questions

What is Darlene Sierra's NPI number?

Darlene Sierra's National Provider Identifier (NPI) is 1497945927, issued on Jul 31, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Darlene Sierra located?

The NPPES record lists a practice address at 450 Bauchet St, Los Angeles, CA, 90012. Phone: (213) 473-6153. Providers update this record themselves, so call before visiting.

How can I verify Darlene Sierra's license?

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

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Compiled from official public sources by the editorial process.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.