NPPES file of Aug 9, 2026

Marguerite Sonoda

Certified Respiratory Therapist · Downey, CA

Marguerite Sonoda is a certified respiratory therapist with a practice address in Downey, California, and NPI 1164289369, issued on Mar 4, 2024. Check the license (California 6414, as entered in NPPES) 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, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1164289369
Name
Marguerite Sonoda
Primary taxonomy
Certified Respiratory Therapist 227800000X
License number
6414 CA
Self-reported in NPPES; status is on the state search
Practice location
9333E Imperial Hwy, Downey, CA 90242
Phone
(562) 657-8860
Enumerated
Mar 4, 2024
Record last updated
Mar 4, 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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Verify Marguerite Sonoda 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 6414    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
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Certified Respiratory Therapist providers in California

There are 368 certified respiratory therapist records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 368 in California → Every provider in Downey →

Other certified respiratory therapist records in California

  1. Sunitha AbrahamWoodland Hills, CA1114409679
  2. Thomas Adelman, CRTTVentura, CA1114732666
  3. Shirin AfsharRedondo Beach, CA1386721629
  4. Joel Agacid, RCPCarson, CA1114224797
  5. Jaime Aguayo, RCPLos Angeles, CA1689142101
  6. Mary Grace Aguayo, CRTSan Leandro, CA1467923730
  7. Susan Akopyan, RCPPanorama City, CA1245573617
  8. Brett Albright, RCP CRTMoreno Valley, CA1720252562
  9. Brandi AlbrittonModesto, CA1326503541
  10. Hazel AlibayanSan Leandro, CA1164992046

Common questions

What is Marguerite Sonoda's NPI number?

Marguerite Sonoda's National Provider Identifier (NPI) is 1164289369, issued on Mar 4, 2024. An NPI identifies a provider in billing; it is not a license.

Where is Marguerite Sonoda located?

The NPPES record lists a practice address at 9333E Imperial Hwy, Downey, CA, 90242. Phone: (562) 657-8860. Providers update this record themselves, so call before visiting.

How can I verify Marguerite Sonoda's license?

NPPES lists California license number 6414, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

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

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.