NPPES file of Aug 9, 2026

Richard Nguyen, C.P.O.

Orthotist · Pleasanton, CA

Richard Nguyen, C.P.O. is an orthotist with a practice address in Pleasanton, California, and NPI 1578841607, issued on Jul 22, 2011. 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, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1578841607
Name
Richard Nguyen
Credential
C.P.O.
Primary taxonomy
Orthotist 222Z00000X
Practice location
4479 Stoneridge Dr, Pleasanton, CA 94588
Phone
(925) 484-6400
Enumerated
Jul 22, 2011
Record last updated
Jul 22, 2011 (not updated in 15 years: call before relying on the address or phone)
Fax
(925) 484-6497
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 4479 Stoneridge Dr

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

  1. Leslie Cole, COFOrthotic Fitter1518156306
  2. Ray Diaz, CERTIFIED ORTHOTISTSpecialist1245655588
  3. Richard Sire, C.P.OProsthetist1245429976
  4. Kyle Sullivan, C.OOrthotist1669661641

Verify Richard Nguyen 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

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Orthotist providers in California

There are 214 orthotist records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 214 in California → Every provider in Pleasanton →

Other orthotist records in California

  1. Gregory Aaron, C.O.Sacramento, CA1841588092
  2. Bryce Aebi, COFresno, CA1215294210
  3. Rachel Aebi, COFresno, CA1225395221
  4. Lindsay Aguilar, BA, COPomona, CA1073944633
  5. James Akita, CORiverside, CA1750025672
  6. Isagani Alcairo, C.O.Sacramento, CA1679861819
  7. Richard Ali, COOakland, CA1417144528
  8. John Allen, CPOSan Rafael, CA1164005336
  9. Elan AllisonLos Angeles, CA1558810754
  10. Janine Amell, CPO, MSPOEl Centro, CA1275187502

Common questions

What is Richard Nguyen, C.P.O.'s NPI number?

Richard Nguyen, C.P.O.'s National Provider Identifier (NPI) is 1578841607, issued on Jul 22, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Richard Nguyen, C.P.O. located?

The NPPES record lists a practice address at 4479 Stoneridge Dr, Pleasanton, CA, 94588. Phone: (925) 484-6400. Providers update this record themselves, so call before visiting.

How can I verify Richard Nguyen, C.P.O.'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), 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.