NPPES file of Aug 9, 2026

Ngai Xuan Nguyen, MD

Cardiovascular Disease Physician · San Jose, CA

Ngai Xuan Nguyen, MD is a cardiovascular disease physician with a practice address in San Jose, California, and NPI 1205883501, issued on May 30, 2006. Check the license (California A390570, 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1205883501
Name
Ngai Xuan Nguyen
Credential
MD
Primary taxonomy
Cardiovascular Disease Physician 207RC0000X
License number
A390570 CA
Self-reported in NPPES; status is on the state search
Practice location
696 E Santa Clara St, San Jose, CA 95112
Phone
(408) 971-8441
Enumerated
May 30, 2006
Record last updated
Sep 23, 2025
Fax
(408) 295-6547
Medicare enrollment
Enrolled (PECOS I20060323000499); 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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Also registered at 696 E Santa Clara St

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

  1. Viet-Hong Bui, D.O.Family Medicine Physician1407830185
  2. Lisa Chan, O.T.R.Occupational Therapist1770649352
  3. Richard Ferry, M.S.Marriage & Family Therapist1285996546
  4. Hoang Nguyen, D.O.Cardiovascular Disease Physician1790995975
  5. Elisa Rea, PA-CPhysician Assistant1467727651
  6. Noushin SheidaeiPhysician Assistant1417392879

Verify Ngai Xuan 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 A390570
    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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96% more Medicare Part D claims than the average cardiovascular disease physician in 2024

6,043 Medicare Part D claims for 761 beneficiaries, against an average of 3,078 among the 20,728 providers of this specialty who prescribed in Part D. 77 claims were for opioids.

  1. Ngai Nguyen6,043
  2. Specialty average3,078

Most prescribed

  1. Rosuvastatin Calcium489 claims
  2. Metoprolol Succinate445 claims
  3. Amlodipine Besylate335 claims
  4. Atorvastatin Calcium255 claims
  5. Eliquis230 claims
  6. Vascepa207 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.

No measured MIPS final score for 2023

CMS assigned the neutral MIPS final score of 75 without scoring Quality, Cost, Promoting Interoperability or Improvement Activities. It is an administrative threshold, so PlainDoctor does not compare it with measured clinicians.

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $445.91

10 payments; by number, the most common kind was food and beverage; the largest payer was Biotronik Inc. The 16,686 providers of this specialty with any payment received $3,819.56 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Ngai Nguyen$445.91
  2. Specialty average$3,819.56

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

Cardiovascular Disease Physician providers in California

There are 2,574 cardiovascular disease physician records in California.

Other cardiovascular disease physician records in California

  1. Abdul Abbasi, MDLong Beach, CA1710071717
  2. Siddique Abbasi, MDThousand Oaks, CA1528076718
  3. Lillian Abdelmalek, MDSacramento, CA1881343796
  4. Robin Abdelmalik, M.D. FACCTemecula, CA1275656662
  5. Roberto Abdelnur, MDEl Centro, CA1982648606
  6. Sohail Abdi-Moradi, M.D.Moorpark, CA1376862938
  7. Nadia Abelhad, M.D.Chula Vista, CA1619400801
  8. Georges Abou Rjaili, MDRiverside, CA1073896544
  9. Jamil Aboulhosn, MDLos Angeles, CA1356382717
  10. Maria Abraham, M.D.San Francisco, CA1669436960

Common questions

What is Ngai Xuan Nguyen, MD's NPI number?

Ngai Xuan Nguyen, MD's National Provider Identifier (NPI) is 1205883501, issued on May 30, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Ngai Xuan Nguyen, MD located?

The NPPES record lists a practice address at 696 E Santa Clara St, San Jose, CA, 95112. Phone: (408) 971-8441. Providers update this record themselves, so call before visiting.

How can I verify Ngai Xuan Nguyen, MD's license?

NPPES lists California license number A390570, 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 Ngai Xuan Nguyen, MD prescribe under Medicare Part D?

In 2024, Ngai Xuan Nguyen, MD had 6,043 Medicare Part D claims for 761 beneficiaries; the average among cardiovascular disease physician prescribers was 3,078. Part D covers Medicare prescriptions only.

What is Ngai Xuan Nguyen, MD's MIPS final score?

CMS assigned the neutral MIPS final score of 75 for 2023 without scoring any category, so it is not a measured result.

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.