Derek Wei-Feng Leong, MD
Cardiovascular Disease Physician · Los Angeles, CA
Derek Wei-Feng Leong, MD is a cardiovascular disease physician with a practice address in Los Angeles, California, and NPI 1194102921, issued on Apr 30, 2015. Check the license (California A146264, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Derek Wei-Feng Leong
- Credential
- MD
- Primary taxonomy
- Cardiovascular Disease Physician 207RC0000X
- License number
- A146264 CA
Self-reported in NPPES; status is on the state search - Practice location
- 4733 W Sunset Blvd FL 3, Los Angeles, CA 90027
- Phone
- (833) 574-2273
- Enumerated
- Apr 30, 2015
- Record last updated
- Dec 4, 2022
- Medicare enrollment
- Enrolled (PECOS I20220726001684); accepts Medicare assignment
- Medical or professional school
- Georgetown University School Of Medicine, 2015
- Entity
- Type 1 · individual
8 nearest cardiovascular disease physician records → All 2,574 in California → Look up another NPI →
Also registered at 4733 W Sunset Blvd FL 3
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Andrew AbayanStudent in an Organized Health Care Education/Training Program1912589391
- Riad Abdulmoniem, MDStudent in an Organized Health Care Education/Training Program1215730841
- Dishan AbeydeeraStudent in an Organized Health Care Education/Training Program1265291413
- Alyssa AbramStudent in an Organized Health Care Education/Training Program1508626300
- Max Abramson, MDStudent in an Organized Health Care Education/Training Program1093579286
- Shalini Agrawal, DOStudent in an Organized Health Care Education/Training Program1316707888
Verify Derek Wei-Feng Leong in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A146264Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
71% fewer Medicare Part D claims than the average cardiovascular disease physician in 2024
886 Medicare Part D claims for 320 beneficiaries, against an average of 3,078 among the 20,728 providers of this specialty who prescribed in Part D. Brand-name drugs were 22% of claims.
Most prescribed
- Metoprolol Tartrate70 claims
- Furosemide69 claims
- Bisoprolol Fumarate65 claims
- Jardiance60 claims
- Clopidogrel55 claims
- Pradaxa52 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: $283.55
2 payments; by number, the most common kind was food and beverage; the largest payer was Edwards Lifesciences Corporation. The 16,686 providers of this specialty with any payment received $3,819.56 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
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
- Southern California Permanente Medical GroupLos Angeles, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Derek Wei-Feng Leong among 2,574 cardiovascular disease physician records in California
Derek Wei-Feng Leong, MD is one of 2,574 cardiovascular disease physician records with a practice address in California. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 86% of them.
- NPI issued2015 · 86% of these records are older, 12% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated2015 · median 1999 among the 1,742 with a school on file
- Record last updated2022 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Cardiovascular Disease Physician providers in California
There are 2,574 cardiovascular disease physician records in California.
All 2,574 in California → Every provider in Los Angeles → Cardiovascular Disease Physician nationwide →
The 8 cardiovascular disease physician records with the nearest ZIP codes
- Raed Bargout, MDLos Angeles, CA 900271962498410
- Somjot Brar, MDLos Angeles, CA 900271013076751
- Myunghae Choi, MDLos Angeles, CA 900271023117413
- Timothy Degner, MDLos Angeles, CA 900271356412324
- Joseph Ghazal, M.D.Los Angeles, CA 900271275558330
- Shahid Khan, MDLos Angeles, CA 900271528139581
- Prakash Mansukhani, MDLos Angeles, CA 900271043387863
- Ronald Rosengart, MDLos Angeles, CA 900271568539401
Common questions
What is Derek Wei-Feng Leong, MD's NPI number?
Derek Wei-Feng Leong, MD's National Provider Identifier (NPI) is 1194102921, issued on Apr 30, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Derek Wei-Feng Leong, MD located?
The NPPES record lists a practice address at 4733 W Sunset Blvd FL 3, Los Angeles, CA, 90027. Phone: (833) 574-2273. Providers update this record themselves, so call before visiting.
How can I verify Derek Wei-Feng Leong, MD's license?
NPPES lists California license number A146264, 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 Derek Wei-Feng Leong, MD prescribe under Medicare Part D?
In 2024, Derek Wei-Feng Leong, MD had 886 Medicare Part D claims for 320 beneficiaries; the average among cardiovascular disease physician prescribers was 3,078. 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.