Registry data as of Aug 27, 2026

Stephanie Bui, MD

Internal Medicine Physician · Los Angeles, CA

Stephanie Bui, MD is an internal medicine physician with a practice address in Los Angeles, California, and NPI 1609806744, issued on Jul 4, 2006. Check the license (California C54228, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1609806744
Name
Stephanie Bui
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License numbers
C54228 CA
MD421877 PA
Self-reported in NPPES; status is on the state search
Practice location
11980 San Vicente Blvd Ste 102, Los Angeles, CA 90049
Phone
(310) 208-7777
Enumerated
Jul 4, 2006
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 11980 San Vicente Blvd Ste 102

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

  1. Reem Abu-Libdeh, MDPsychiatry Physician1972985158
  2. Connor Gehris, MDFamily Medicine Physician1073253787
  3. Rhanika Alexandra Neuda, MDPediatrics Physician1164886792
  4. Sara Pousti, M.D.Psychiatry Physician1487274692
  5. Christina Spandler, MDFamily Medicine Physician1396207213

Verify Stephanie 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 C54228
    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.

Statewide context: the Medical Board of California reported 374 disciplinary actions in FY 2022-23. California discipline data →

76% fewer Medicare Part D claims than the average internal medicine physician in 2024

672 Medicare Part D claims for 148 beneficiaries, against an average of 2,785 among the 127,794 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims.

  1. Stephanie Bui672
  2. Specialty average2,785

Most prescribed

  1. Atorvastatin Calcium57 claims
  2. Rosuvastatin Calcium56 claims
  3. Levothyroxine Sodium47 claims
  4. Losartan Potassium39 claims
  5. Amlodipine Besylate31 claims
  6. Alendronate Sodium20 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.

1,665 internal medicine physician records list a Los Angeles practice address

They are 1,665 of the 69,537 NPPES records with a Los Angeles practice address, and 20,403 internal medicine physician records in California.

Other internal medicine physician records in California

  1. Jacob Aaron, MDSan Francisco, CA1407202518
  2. Alistair Aaronson, MDStanford, CA1457628760
  3. Jose Abad., MDSacramento, CA1144607219
  4. Donna Abare, MDOakland, CA1386722155
  5. Marce AbareScotts Valley, CA1457744708
  6. Samuel Abarte, M.D.Chula Vista, CA1578535498
  7. Alexander Abary, MDLong Beach, CA1104995919
  8. Luba Abascal, MDSan Francisco, CA1023180874
  9. Michael Abate, MDSacramento, CA1548248131
  10. Wali Abawi, D.O.Joshua Tree, CA1104362268

Common questions

What is Stephanie Bui, MD's NPI number?

Stephanie Bui, MD's National Provider Identifier (NPI) is 1609806744, issued on Jul 4, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Stephanie Bui, MD located?

The NPPES record lists a practice address at 11980 San Vicente Blvd Ste 102, Los Angeles, CA, 90049. Phone: (310) 208-7777. Providers update this record themselves, so call before visiting.

How can I verify Stephanie Bui, MD's license?

NPPES lists California license number C54228, 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 Stephanie Bui, MD prescribe under Medicare Part D?

In 2024, Stephanie Bui, MD had 672 Medicare Part D claims for 148 beneficiaries; the average among internal medicine physician prescribers was 2,785. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.