Tu Anh Nguyen, MD
Gastroenterology Physician · Menlo Park, CA
Tu Anh Nguyen, MD is a gastroenterology physician with a practice address in Menlo Park, California, and NPI 1497841969, issued on Oct 4, 2006. Check the license (California A89328, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Tu Anh Nguyen
- Credential
- MD
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- A89328 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1300 Crane St, Menlo Park, CA 94025
- Phone
- (650) 498-6500
- Enumerated
- Oct 4, 2006
- Record last updated
- Apr 15, 2024
- Medicare enrollment
- Enrolled (PECOS I20061116000406); accepts Medicare assignment
- Medical or professional school
- University Of California, Irvine, California College Of Medicine, 2003
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 2,140 in California → Look up another NPI →
Also registered at 1300 Crane St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Hui Chen, M.D.Diagnostic Radiology Physician1275704371
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Verify Tu Anh Nguyen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A89328Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
61% more Medicare Part D claims than the average gastroenterology physician in 2024
1,302 Medicare Part D claims for 536 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D.
Most prescribed
- Sod Sulf-Potass Sulf-Mag Sulf259 claims
- Pantoprazole Sodium204 claims
- Famotidine133 claims
- Omeprazole120 claims
- Creon45 claims
- Mesalamine27 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: $239.26
2 payments; by number, the most common kind was food and beverage; the largest payer was Phathom Pharmaceuticals, Inc. The 13,350 providers of this specialty with any payment received $5,015.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
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
- University Healthcare AllianceMenlo Park, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Tu Anh Nguyen among 2,140 gastroenterology physician records in California
Tu Anh Nguyen, MD is one of 2,140 gastroenterology physician records with a practice address in California. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 7% of them.
- NPI issued2006 · 7% of these records are older, 48% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated2003 · median 2002 among the 1,538 with a school on file
- Record last updated2024 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in California
There are 2,140 gastroenterology physician records in California.
All 2,140 in California → Every provider in Menlo Park → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Mary Chan, MDMenlo Park, CA 940251790749430
- Sinda Mein, MDMenlo Park, CA 940251376657734
- Harvey Young, M.D.Menlo Park, CA 940251093768483
- John Selling, MDPortola Valley, CA 940281386608024
- Stefan Chin, MDDaly City, CA 940151891794152
- John Fisher, M.D.Daly City, CA 940151639179799
- Rowena Garcia Chuapoco, MDDaly City, CA 940151578563789
- Mark Tsuchiyose, M.D.Daly City, CA 940151063412195
Common questions
What is Tu Anh Nguyen, MD's NPI number?
Tu Anh Nguyen, MD's National Provider Identifier (NPI) is 1497841969, issued on Oct 4, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Tu Anh Nguyen, MD located?
The NPPES record lists a practice address at 1300 Crane St, Menlo Park, CA, 94025. Phone: (650) 498-6500. Providers update this record themselves, so call before visiting.
How can I verify Tu Anh Nguyen, MD's license?
NPPES lists California license number A89328, 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 Tu Anh Nguyen, MD prescribe under Medicare Part D?
In 2024, Tu Anh Nguyen, MD had 1,302 Medicare Part D claims for 536 beneficiaries; the average among gastroenterology physician prescribers was 811. 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.