Stephanie Knabe Bui, MD
Internal Medicine Physician · Los Angeles, CA
Stephanie Knabe 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.
- Name
- Stephanie Knabe 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
- Record last updated
- Jul 1, 2026
- Medicaid ID
- 001956270001 PA
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
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.
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Verify Stephanie Knabe Bui in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license C54228Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
79% 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 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims.
Most prescribed
- Atorvastatin Calcium57 claims
- Rosuvastatin Calcium56 claims
- Levothyroxine Sodium47 claims
- Losartan Potassium39 claims
- Amlodipine Besylate31 claims
- 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.
Stephanie Knabe Bui among 17,696 internal medicine physician records in California
Stephanie Knabe Bui, MD is one of 17,696 internal medicine physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 5% of them.
- NPI issued2006 · 5% of these records are older, 56% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileNo · 63% of these records are
- Record last updated2026 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
1,423 internal medicine physician records list a practice address in Los Angeles
They are 1,423 of the 69,537 NPPES records with a practice address in Los Angeles, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Los Angeles → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
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- Michael Farzam, M.D.Los Angeles, CA 900491619295474
- Denise Garvey, MDLos Angeles, CA 900491265457436
- Abdulrahman Khaledy Sultan, MDLos Angeles, CA 900491679682652
- Sid Kohan, M.D.Los Angeles, CA 900491881698132
Common questions
What is Stephanie Knabe Bui, MD's NPI number?
Stephanie Knabe 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 Knabe 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 Knabe 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 Knabe Bui, MD prescribe under Medicare Part D?
In 2024, Stephanie Knabe Bui, MD had 672 Medicare Part D claims for 148 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.