NPPES file of Aug 9, 2026

Don T. Bui, M.D.

Urology Physician · Laguna Hills, CA

Don T. Bui, M.D. is a urology physician with a practice address in Laguna Hills, California, and NPI 1932313483, issued on May 10, 2007. Check the license (California A127053, 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
1932313483
Name
Don T. Bui
Credential
M.D.
Primary taxonomy
Urology Physician 208800000X
License number
A127053 CA
Self-reported in NPPES; status is on the state search
Practice location
23961 Calle DE LA Magdalena Ste 500, Laguna Hills, CA 92653
Phone
(949) 855-1011
Enumerated
May 10, 2007
Record last updated
Oct 15, 2025
Fax
(949) 289-9171
Medicare enrollment
Enrolled (PECOS I20131112000265); may accept Medicare assignment
Medical or professional school
Northeastern Ohio University College Of Medicine, 2006
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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8 nearest urology physician records → All 1,524 in California → Look up another NPI →

Also registered at 23961 Calle DE LA Magdalena Ste 500

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

  1. Paul Brower, M.D.Urology Physician1437114766
  2. Michael Bui, FNPFamily Nurse Practitioner1740919398
  3. Daniel Cabanero, PA-CPhysician Assistant1801525472
  4. Olivia Carr, PAPhysician Assistant1730810490
  5. Daniel Jiang, MDUrology Physician1164051496
  6. Taralyn Johnson, PA-CPhysician Assistant1730784745

Verify Don T. 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 A127053    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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2.7 times the Medicare Part D claims of the average urology physician in 2024

3,570 Medicare Part D claims for 1,155 beneficiaries, against an average of 1,340 among the 10,782 providers of this specialty who prescribed in Part D. 37 claims were for opioids.

  1. Don Bui3,570
  2. Specialty average1,340

Most prescribed

  1. Tamsulosin Hcl1,393 claims
  2. Finasteride455 claims
  3. Trospium Chloride205 claims
  4. Dutasteride204 claims
  5. Gemtesa147 claims
  6. Alfuzosin Hcl Er106 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: $4,599.46

75 payments; by number, the most common kind was food and beverage; the largest payer was Intuitive Surgical, Inc. The 9,340 providers of this specialty with any payment received $3,800.04 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Don Bui$4,599.46
  2. Specialty average$3,800.04

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

Bills Medicare through 3 group practices

  1. Adventist Health Physicians NetworkHanford, CA
  2. Central Valley General HospitalHanford, CA
  3. Orange County Urology Associates Inc A Medical GroupHuntington Beach, CA

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

Don T. Bui among 1,524 urology physician records in California

Don T. Bui, M.D. is one of 1,524 urology physician records with a practice address in California. 82% 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 49% of them.

  • NPI issued2007 · 49% of these records are older, 40% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileYes · 69% of these records are
  • Graduated2006 · median 2003 among the 1,049 with a school on file
  • Record last updated2025 · 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 208800000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Urology Physician providers in California

There are 1,524 urology physician records in California.

All 1,524 in California → Every provider in Laguna Hills → Urology Physician nationwide →

The 8 urology physician records with the nearest ZIP codes

  1. Paul Brower, M.D.Laguna Hills, CA 926531437114766
  2. Daniel Jiang, MDLaguna Hills, CA 926531164051496
  3. Moses Kim, MDLaguna Hills, CA 926531972773604
  4. James Meaglia, M.D.Laguna Hills, CA 926531740245919
  5. Paul Oh, MDLaguna Hills, CA 926531740843077
  6. Christopher Pellegrino, MDLaguna Hills, CA 926531477189330
  7. Josh Randall, MDLaguna Hills, CA 926531912962614
  8. Ronald Rosenquist, MDLaguna Hills, CA 926531770580649

Common questions

What is Don T. Bui, M.D.'s NPI number?

Don T. Bui, M.D.'s National Provider Identifier (NPI) is 1932313483, issued on May 10, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Don T. Bui, M.D. located?

The NPPES record lists a practice address at 23961 Calle DE LA Magdalena Ste 500, Laguna Hills, CA, 92653. Phone: (949) 855-1011. Providers update this record themselves, so call before visiting.

How can I verify Don T. Bui, M.D.'s license?

NPPES lists California license number A127053, 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 Don T. Bui, M.D. prescribe under Medicare Part D?

In 2024, Don T. Bui, M.D. had 3,570 Medicare Part D claims for 1,155 beneficiaries; the average among urology physician prescribers was 1,340. 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.