NPPES file of Aug 9, 2026

Trung D. Bui, MD

Surgery Physician · Thousand Oaks, CA

Trung D. Bui, MD is a surgery physician with a practice address in Thousand Oaks, California, and NPI 1225219702, issued on Nov 26, 2007. Check the license (California A85488, 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
1225219702
Name
Trung D. Bui
Credential
MD
Primary taxonomy
Surgery Physician 208600000X
License number
A85488 CA
Self-reported in NPPES; status is on the state search
Practice location
2220 Lynn RD, Thousand Oaks, CA 91360
Phone
(805) 496-9727
Enumerated
Nov 26, 2007
Record last updated
Apr 3, 2026
Fax
(805) 496-9148
Medicare enrollment
Enrolled (PECOS I20110126000349); accepts Medicare assignment
Medical or professional school
Medical College Of Wisconsin, 2002
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 2220 Lynn RD

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

  1. David Aliabadi, M.D.Interventional Cardiology Physician1962404723
  2. Karen Brousseau, RPHPharmacist Clinician (PhC)/ Clinical Pharmacy Specialist1336593334
  3. Amy Carter, FNP-CFamily Nurse Practitioner1316550452
  4. Sujay Dutta, MDInfectious Disease Physician1184712168
  5. Joy Edwards-Beckett, PHD, DNSC, FNP.C, CWFamily Nurse Practitioner1093838583
  6. Richard Green, M.D.Cardiovascular Disease Physician1225221187

Verify Trung D. Bui in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A85488
    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

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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2.1 times the Medicare Part D claims of the average surgery physician in 2024

308 Medicare Part D claims for 128 beneficiaries, against an average of 147 among the 20,115 providers of this specialty who prescribed in Part D. Brand-name drugs were 39% of claims. 31 claims were for opioids.

  1. Trung Bui308
  2. Specialty average147

Most prescribed

  1. Eliquis92 claims
  2. Cilostazol40 claims
  3. Clopidogrel31 claims
  4. Hydrocodone-Acetaminophen26 claims
  5. Diazepam18 claims
  6. Xarelto18 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; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $1,435.91

31 payments; by number, the most common kind was food and beverage; the largest payer was W. L. Gore & Associates, Inc. The 17,103 providers of this specialty with any payment received $3,513.80 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Trung Bui$1,435.91
  2. Specialty average$3,513.80

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

Trung D. Bui among 3,118 surgery physician records in California

Trung D. Bui, MD is one of 3,118 surgery physician records with a practice address in California. 75% 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 45% of them.

  • NPI issued2007 · 45% of these records are older, 42% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 61% of these records are
  • Graduated2002 · median 2003 among the 1,901 with a school on file
  • Record last updated2026 · 59% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208600000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Surgery Physician providers in California

There are 3,118 surgery physician records in California.

The 8 surgery physician records with the nearest ZIP codes

  1. Ifeanyi Amuzie, MDThousand Oaks, CA 913601316917065
  2. Makrouhi Kademian, MDThousand Oaks, CA 913601932218781
  3. John Matrisciano, MDThousand Oaks, CA 913601649389495
  4. Tom Measles, M.D.Thousand Oaks, CA 913601063417301
  5. Amir-Hossein Mehran, MDThousand Oaks, CA 913601154343242
  6. Mehran Mirkazemi, D.O.Thousand Oaks, CA 913601811967268
  7. Lauren Poliakin, MDThousand Oaks, CA 913601790162733
  8. Nishant Sharma, MDThousand Oaks, CA 913601366979395

Common questions

What is Trung D. Bui, MD's NPI number?

Trung D. Bui, MD's National Provider Identifier (NPI) is 1225219702, issued on Nov 26, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Trung D. Bui, MD located?

The NPPES record lists a practice address at 2220 Lynn RD, Thousand Oaks, CA, 91360. Phone: (805) 496-9727. Providers update this record themselves, so call before visiting.

How can I verify Trung D. Bui, MD's license?

NPPES lists California license number A85488, 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 Trung D. Bui, MD prescribe under Medicare Part D?

In 2024, Trung D. Bui, MD had 308 Medicare Part D claims for 128 beneficiaries; the average among surgery physician prescribers was 147. Part D covers Medicare prescriptions only.

What is Trung D. Bui, 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.