NPPES file of Aug 9, 2026

Winifred Hwang

Registered Nurse · Santa Clara, CA

Winifred Hwang is a registered nurse with a practice address in Santa Clara, California, and NPI 1376113944, issued on Jun 28, 2021. Check the license (California 95135400, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1376113944
Name
Winifred Hwang
Primary taxonomy
Registered Nurse 163W00000X
License numbers
95135400 CA
322258 NC
Self-reported in NPPES; status is on the state search
Practice location
700 Lawrence Expy, Santa Clara, CA 95051
Phone
(408) 851-1000
Enumerated
Jun 28, 2021
Record last updated
Jun 23, 2023
Medicare enrollment
Enrolled (PECOS I20240228003766); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest registered nurse records → All 13,506 in California → Look up another NPI →

Also registered at 700 Lawrence Expy

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

  1. Rose Abendroth, P.A-C PHDPhysician Assistant1568471126
  2. Joseph Adams, PHARMD.Pharmacist1851625024
  3. Netali AdielDoula1003770652
  4. Abdallah Al-ObaidiStudent in an Organized Health Care Education/Training Program1255133781
  5. Andrea Mae AlafrizPharmacist1770450967
  6. Andria AlbertStudent in an Organized Health Care Education/Training Program1992565493

Verify Winifred Hwang 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 95135400    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Bills Medicare through one group practice

  1. Permanente Medical Group IncSanta Clara, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Winifred Hwang among 13,506 registered nurse records in California

Winifred Hwang is one of 13,506 registered nurse records with a practice address in California. 3% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 53% of them.

  • NPI issued2021 · 53% of these records are older, 40% newer
  • In a Medicare fileYes · 3% of these records are
  • In the CMS Doctors and Clinicians fileYes · 1% of these records are
  • Graduated2023 · median 2018 among the 146 with a school on file
  • Record last updated2023 · 54% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 163W00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Registered Nurse providers in California

There are 13,506 registered nurse records in California.

All 13,506 in California → Every provider in Santa Clara → Registered Nurse nationwide →

The 8 registered nurse records with the nearest ZIP codes

  1. Vanessa Mae BalcazarSanta Clara, CA 950511679424626
  2. Han BuiSanta Clara, CA 950511376803783
  3. Jayne Callegan, RNSanta Clara, CA 950511922626134
  4. Spencer CookSanta Clara, CA 950511952135360
  5. Rory Demarco, REGISTERED NURSESanta Clara, CA 950511245936541
  6. Maria Dizon, RNSanta Clara, CA 950511073473070
  7. Mark Kovacic, RNSanta Clara, CA 950511992295950
  8. Jula Overturf Johnson, RNSanta Clara, CA 950511922407428

Common questions

What is Winifred Hwang's NPI number?

Winifred Hwang's National Provider Identifier (NPI) is 1376113944, issued on Jun 28, 2021. An NPI identifies a provider in billing; it is not a license.

Where is Winifred Hwang located?

The NPPES record lists a practice address at 700 Lawrence Expy, Santa Clara, CA, 95051. Phone: (408) 851-1000. Providers update this record themselves, so call before visiting.

How can I verify Winifred Hwang's license?

NPPES lists California license number 95135400, 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. Medicare files from data.cms.gov. 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.