NPPES file of Aug 9, 2026

Diana Nguyen Lau

Speech-Language Assistant · Granite Bay, CA

Diana Nguyen Lau is a speech-language assistant with a practice address in Granite Bay, California, and NPI 1336771740, issued on Feb 4, 2020. Check the license (California SPA929, 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
1336771740
Name
Diana Nguyen Lau
Primary taxonomy
Speech-Language Assistant 2355S0801X
License number
SPA929 CA
Self-reported in NPPES; status is on the state search
Practice location
5420 Douglas Blvd Ste F, Granite Bay, CA 95746
Phone
(916) 287-1517
Enumerated
Feb 4, 2020
Record last updated
Feb 4, 2020 (not updated in 6 years: call before relying on the address or phone)
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 5420 Douglas Blvd Ste F

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

  1. Angelina CrayneSpeech-Language Pathologist1881368074

Verify Diana Nguyen Lau 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 SPA929    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

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Speech-Language Assistant providers in California

There are 2,532 speech-language assistant records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 2,532 in California → Every provider in Granite Bay →

Other speech-language assistant records in California

  1. Raja AbbasLos Angeles, CA1982482501
  2. Thessa Abellera, SLPAReseda, CA1023628757
  3. Gabriella Abramson, CCC-SLPASan Diego, CA1558109983
  4. Jezika AbrewOntario, CA1669143426
  5. Ula AbsulioEncino, CA1760863815
  6. Escarlet AcabalVan Nuys, CA1396402988
  7. Elizabeth AccomandoRiverside, CA1467170852
  8. Eva AcevedoModesto, CA1962392647
  9. John AcevedoFontana, CA1871228106
  10. Jennifer AcostaEncino, CA1679817407

Common questions

What is Diana Nguyen Lau's NPI number?

Diana Nguyen Lau's National Provider Identifier (NPI) is 1336771740, issued on Feb 4, 2020. An NPI identifies a provider in billing; it is not a license.

Where is Diana Nguyen Lau located?

The NPPES record lists a practice address at 5420 Douglas Blvd Ste F, Granite Bay, CA, 95746. Phone: (916) 287-1517. Providers update this record themselves, so call before visiting.

How can I verify Diana Nguyen Lau's license?

NPPES lists California license number SPA929, 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.