NPPES file of Aug 9, 2026

Andrea Khue-Tu Nguyen, MD

Sleep Medicine (Internal Medicine) Physician · Redwood City, CA

Andrea Khue-Tu Nguyen, MD is a sleep medicine (internal medicine) physician with a practice address in Redwood City, California, and NPI 1417698929, issued on Apr 6, 2022. Check the license (California A203772, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1417698929
Name
Andrea Khue-Tu Nguyen
Credential
MD
Primary taxonomy
Sleep Medicine (Internal Medicine) Physician 207RS0012X
License number
A203772 CA
Self-reported in NPPES; status is on the state search
Practice location
450 Broadway St FL 2, Redwood City, CA 94063
Phone
(650) 723-6601
Enumerated
Apr 6, 2022
Record last updated
Jul 2, 2026
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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8 nearest sleep medicine (internal medicine) physician records → All 129 in California → Look up another NPI →

Also registered at 450 Broadway St FL 2

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

  1. Christine Brennan, MDSleep Medicine (Internal Medicine) Physician1629657473
  2. Luis Gasca, MDSleep Medicine (Internal Medicine) Physician1740920784
  3. Shantha Gowda, PSYDPsychologist1992367882
  4. Krystal Jin, MDStudent in an Organized Health Care Education/Training Program1821618018
  5. Hope Wang, MDStudent in an Organized Health Care Education/Training Program1225615636

Verify Andrea Khue-Tu Nguyen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A203772    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
Open the California license search

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45% fewer Medicare Part D claims than the average sleep medicine (internal medicine) physician in 2024

319 Medicare Part D claims for 57 beneficiaries, against an average of 585 among the 852 providers of this specialty who prescribed in Part D.

  1. Andrea Nguyen319
  2. Specialty average585

Most prescribed

  1. Atorvastatin Calcium34 claims
  2. Levothyroxine Sodium25 claims
  3. Amlodipine Besylate20 claims
  4. Metformin Hcl14 claims
  5. Tamsulosin Hcl13 claims
  6. Gabapentin11 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $16.72

1 payment: food and beverage; the largest payer was Csl Behring. The 664 providers of this specialty with any payment received $3,724.37 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Andrea Nguyen$16.72
  2. Specialty average$3,724.37

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Andrea Khue-Tu Nguyen among 129 sleep medicine (internal medicine) physician records in California

Andrea Khue-Tu Nguyen, MD is one of 129 sleep medicine (internal medicine) physician records with a practice address in California. 95% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 95% of them.

  • NPI issued2022 · 95% of these records are older, 2% newer
  • In a Medicare fileYes · 95% of these records are
  • In the CMS Doctors and Clinicians fileNo · 82% of these records are
  • Record last updated2026 · 35% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RS0012X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Sleep Medicine (Internal Medicine) Physician providers in California

There are 129 sleep medicine (internal medicine) physician records in California.

All 129 in California → Every provider in Redwood City → Sleep Medicine (Internal Medicine) Physician nationwide →

The 8 sleep medicine (internal medicine) physician records with the nearest ZIP codes

  1. Christine Brennan, MDRedwood City, CA 940631629657473
  2. Luis Gasca, MDRedwood City, CA 940631740920784
  3. Joshua Lo, DOSan Carlos, CA 940701295313880
  4. Mahesh Shetty, MDSunnyvale, CA 940851295954121
  5. Kin Yuen, MDMountain View, CA 940401881759660
  6. Robert Ang, MDSunnyvale, CA 940871225219025
  7. Vadim Kagramanov, MDSunnyvale, CA 940871396792552
  8. Fan Mo, DOSunnyvale, CA 940871083111405

Common questions

What is Andrea Khue-Tu Nguyen, MD's NPI number?

Andrea Khue-Tu Nguyen, MD's National Provider Identifier (NPI) is 1417698929, issued on Apr 6, 2022. An NPI identifies a provider in billing; it is not a license.

Where is Andrea Khue-Tu Nguyen, MD located?

The NPPES record lists a practice address at 450 Broadway St FL 2, Redwood City, CA, 94063. Phone: (650) 723-6601. Providers update this record themselves, so call before visiting.

How can I verify Andrea Khue-Tu Nguyen, MD's license?

NPPES lists California license number A203772, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Andrea Khue-Tu Nguyen, MD prescribe under Medicare Part D?

In 2024, Andrea Khue-Tu Nguyen, MD had 319 Medicare Part D claims for 57 beneficiaries; the average among sleep medicine (internal medicine) physician prescribers was 585. Part D covers Medicare prescriptions 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.