NPPES file of Aug 9, 2026

William Hung-Liang Tu, M.D.

Student in an Organized Health Care Education/Training Program · Stanford, CA

William Hung-Liang Tu, M.D. is a student in an organized health care education/training program with a practice address in Stanford, California, and NPI 1962699421, issued on Sep 28, 2007. Check the license (California A96696, 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 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1962699421
Name
William Hung-Liang Tu
Credential
M.D.
Primary taxonomy
Student in an Organized Health Care Education/Training Program 390200000X
License number
A96696 CA
Self-reported in NPPES; status is on the state search
Practice location
300 Pasteur Dr, Stanford, CA 94305
Phone
(650) 723-6661
Enumerated
Sep 28, 2007
Record last updated
Dec 20, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20110817000688); accepts Medicare assignment
Medical or professional school
Vanderbilt University School Of Medicine, 2005
Telehealth
Offers telehealth (CMS)
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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Also registered at 300 Pasteur Dr

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

  1. Cooper Aakhus, MDEmergency Medicine Physician1194351007
  2. Oliver Aalami, M.D.Vascular Surgery Physician1225229024
  3. Alistair Aaronson, MDInternal Medicine Physician1457628760
  4. Sumaira Aasi, MDMOHS-Micrographic Surgery Physician1780675181
  5. Fahim Abbasi, M.D.Internal Medicine Physician1841484037
  6. Mohamad Abbass, MDNeurological Surgery Physician1679492151

Verify William Hung-Liang Tu 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 A96696
    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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10.5 times the Medicare Part D claims of the average student in an organized health care education/training program in 2024

1,936 Medicare Part D claims for 661 beneficiaries, against an average of 185 among the 59,748 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 60 claims were for opioids.

  1. William Tu1,936
  2. Specialty average185

Most prescribed

  1. Tamsulosin Hcl598 claims
  2. Finasteride515 claims
  3. Myrbetriq182 claims
  4. Tadalafil81 claims
  5. Mirabegron Er76 claims
  6. Cefadroxil61 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: $112.40

1 payment: food and beverage; the largest payer was Bayer Healthcare Pharmaceuticals Inc. The 13,278 providers of this specialty with any payment received $608.08 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. William Tu$112.40
  2. Specialty average$608.08

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

Bills Medicare through one group practice

  1. Permanente Medical Group IncSan Leandro, CA

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

William Hung-Liang Tu among 40,652 student in an organized health care education/training program records in California

William Hung-Liang Tu, M.D. is one of 40,652 student in an organized health care education/training program records with a practice address in California. 16% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than under 1% of them.

  • NPI issued2007 · under 1% of these records are older, 99% newer
  • In a Medicare fileYes · 16% of these records are
  • In the CMS Doctors and Clinicians fileYes · 6% of these records are
  • Graduated2005 · median 2017 among the 2,409 with a school on file
  • Record last updated2021 · 26% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 390200000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

671 student in an organized health care education/training program records list a practice address in Stanford

They are 671 of the 5,606 NPPES records with a practice address in Stanford, and 40,652 student in an organized health care education/training program records in California.

The 8 student in an organized health care education/training program records with the nearest ZIP codes

  1. Stacy Banks, M.D.Stanford, CA 943051265613822
  2. Sundeep Bhat, M.D.Stanford, CA 943051821322108
  3. Paula Borges, M.D.Stanford, CA 943051689808008
  4. Frederick Dewey, M.D.Stanford, CA 943051457501884
  5. Melissa Dunagan, M.D.Stanford, CA 943051407044456
  6. Trish Ma, M.D.Stanford, CA 943051578695144
  7. Mary Mendoza-Newman, PH.D.Stanford, CA 943051912026246
  8. Lisa Pate, M.D., J.D.Stanford, CA 943051427246438

Common questions

What is William Hung-Liang Tu, M.D.'s NPI number?

William Hung-Liang Tu, M.D.'s National Provider Identifier (NPI) is 1962699421, issued on Sep 28, 2007. An NPI identifies a provider in billing; it is not a license.

Where is William Hung-Liang Tu, M.D. located?

The NPPES record lists a practice address at 300 Pasteur Dr, Stanford, CA, 94305. Phone: (650) 723-6661. Providers update this record themselves, so call before visiting.

How can I verify William Hung-Liang Tu, M.D.'s license?

NPPES lists California license number A96696, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does William Hung-Liang Tu, M.D. prescribe under Medicare Part D?

In 2024, William Hung-Liang Tu, M.D. had 1,936 Medicare Part D claims for 661 beneficiaries; the average among student in an organized health care education/training program prescribers was 185. 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.

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.