NPPES file of Aug 9, 2026

Brian Nam Bui

Hospitalist Physician · Redlands, CA

Brian Nam Bui is a hospitalist physician with a practice address in Redlands, California, and NPI 1407435159, issued on Apr 7, 2021. Check the license (California 20A21207, 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
1407435159
Name
Brian Nam Bui
Primary taxonomy
Hospitalist Physician 208M00000X
License number
20A21207 CA
Self-reported in NPPES; status is on the state search
Practice location
245 Terracina Blvd, Redlands, CA 92373
Phone
(909) 792-2605
Enumerated
Apr 7, 2021
Record last updated
Dec 6, 2025
Medicare enrollment
Enrolled (PECOS I20240722003191); 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.
Download card Updates feed

Also registered at 245 Terracina Blvd

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

  1. Stacye Basye, PTPhysical Medicine & Rehabilitation Physician1063441897
  2. Melisa Beckley, D.D.S.General Practice Dentistry1962697516
  3. Marilyn Bunnell, P.T.Physical Therapist1427002328
  4. Arnel Cadiz, NURSE PRACTITIONERFamily Nurse Practitioner1861168551
  5. Elizabeth Cavazos, P.T.Physical Therapist1003069360
  6. Sunji ChiRegistered Nurse1679979181

Verify Brian Nam 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 20A21207
    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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

23% fewer Medicare Part D claims than the average hospitalist physician in 2024

401 Medicare Part D claims for 102 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D.

  1. Brian Bui401
  2. Specialty average521

Most prescribed

  1. Atorvastatin Calcium41 claims
  2. Metformin Hcl21 claims
  3. Amlodipine Besylate17 claims
  4. Farxiga15 claims
  5. Losartan Potassium14 claims
  6. Lisinopril13 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: $191.77

3 payments; by number, the most common kind was food and beverage; the largest payer was Penumbra, Inc. The 7,324 providers of this specialty with any payment received $494.84 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Brian Bui$191.77
  2. Specialty average$494.84

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. Beaver Medical Group P CRedlands, CA

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

Brian Nam Bui among 3,099 hospitalist physician records in California

Brian Nam Bui is one of 3,099 hospitalist physician records with a practice address in California. 90% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 90% of them.

  • NPI issued2021 · 90% of these records are older, 6% newer
  • In a Medicare fileYes · 90% of these records are
  • In the CMS Doctors and Clinicians fileYes · 81% of these records are
  • Graduated2021 · median 2010 among the 2,505 with a school on file
  • Record last updated2025 · 49% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208M00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Hospitalist Physician providers in California

There are 3,099 hospitalist physician records in California.

The 8 hospitalist physician records with the nearest ZIP codes

  1. Marvin Brauer, M.D.Redlands, CA 923731043219314
  2. Liana Diants, M.D.Redlands, CA 923731619105608
  3. Linh Khuu, M.D.Redlands, CA 923731568751584
  4. Jin Hee Kim, M.D.Redlands, CA 923731124310263
  5. John Lee, M.D.Redlands, CA 923731477870186
  6. Jose Makalinao, MDRedlands, CA 923731659460327
  7. Feras Naeem, M.D.Redlands, CA 923731356517288
  8. Sameh Naseib, M.D.Redlands, CA 923731124076344

Common questions

What is Brian Nam Bui's NPI number?

Brian Nam Bui's National Provider Identifier (NPI) is 1407435159, issued on Apr 7, 2021. An NPI identifies a provider in billing; it is not a license.

Where is Brian Nam Bui located?

The NPPES record lists a practice address at 245 Terracina Blvd, Redlands, CA, 92373. Phone: (909) 792-2605. Providers update this record themselves, so call before visiting.

How can I verify Brian Nam Bui's license?

NPPES lists California license number 20A21207, 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 Brian Nam Bui prescribe under Medicare Part D?

In 2024, Brian Nam Bui had 401 Medicare Part D claims for 102 beneficiaries; the average among hospitalist physician prescribers was 521. 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.