NPPES file of Aug 9, 2026

Stephen Riggio

Registered Nurse · Discovery Bay, CA

Stephen Riggio is a registered nurse with a practice address in Discovery Bay, California, and NPI 1235700329, issued on Jul 8, 2021. Check the license (California 539862, 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
1235700329
Name
Stephen Riggio
Primary taxonomy
Registered Nurse 163W00000X
License number
539862 CA
Self-reported in NPPES; status is on the state search
Practice location
3913 Lighthouse PL, Discovery Bay, CA 94505
Phone
(408) 656-8085
Enumerated
Jul 8, 2021
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 Stephen Riggio 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 539862    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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2 registered nurse records list a practice address in Discovery Bay

They are 2 of the 47 NPPES records with a practice address in Discovery Bay, and 13,506 registered nurse records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 2 in Discovery Bay → All 13,506 in California → Every provider in Discovery Bay →

Other registered nurse records in California

  1. Patricia A Onyango, RNModesto, CA1780424473
  2. Adelaida A Zavala, RNOntario, CA1235702804
  3. Anu Aaltonen-Bond, RNRancho Cordova, CA1972895696
  4. Victoria AardappelChico, CA1396148698
  5. Denise Aaron, RNSan Diego, CA1497345268
  6. Bernadette Marie Abadilla, RNMillbrae, CA1154970697
  7. Brenda Abalos, RNNational City, CA1497064737
  8. Carla Abalos, RNUnion City, CA1669158523
  9. Caron Faustino Marti AbalosCerritos, CA1811603327
  10. Geraldine Abalos, RNSanta Cruz, CA1073456109

Common questions

What is Stephen Riggio's NPI number?

Stephen Riggio's National Provider Identifier (NPI) is 1235700329, issued on Jul 8, 2021. An NPI identifies a provider in billing; it is not a license.

Where is Stephen Riggio located?

The NPPES record lists a practice address at 3913 Lighthouse PL, Discovery Bay, CA, 94505. Phone: (408) 656-8085. Providers update this record themselves, so call before visiting.

How can I verify Stephen Riggio's license?

NPPES lists California license number 539862, 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.