NPPES file of Aug 9, 2026

Ying Yan Leung, M.D

General Practice Physician · Hacienda Heights, CA

Ying Yan Leung, M.D is a general practice physician with a practice address in Hacienda Heights, California, and NPI 1275612632, issued on Nov 4, 2006. Check the license (California G43055, 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
1275612632
Name
Ying Yan Leung
Credential
M.D
Primary taxonomy
General Practice Physician 208D00000X
License number
G43055 CA
Self-reported in NPPES; status is on the state search
Practice location
3038 S Hacienda Blvd, Hacienda Heights, CA 91745
Phone
(626) 961-5479
Enumerated
Nov 4, 2006
Record last updated
Oct 18, 2023
Fax
(626) 961-5470
Medicaid ID
00G430550 CA
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.
Download card Updates feed

Verify Ying Yan Leung in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G43055
    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.

68% fewer Medicare Part D claims than the average general practice physician in 2024

965 Medicare Part D claims for 99 beneficiaries, against an average of 3,030 among the 8,395 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims.

  1. Ying Yan Leung965
  2. Specialty average3,030

Most prescribed

  1. Atorvastatin Calcium94 claims
  2. Losartan Potassium68 claims
  3. Metformin Hcl59 claims
  4. Amlodipine Besylate39 claims
  5. Omeprazole27 claims
  6. Azithromycin25 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.

General Practice Physician providers in California

There are 1,956 general practice physician records in California.

Other general practice physician records in California

  1. Hessam Aazami, M.D.Canoga Park, CA1144299173
  2. Ali Abaian, M.D.Los Angeles, CA1316061674
  3. Tahira Abbasi, MDLa Jolla, CA1619062346
  4. Ryan Abbott, M.D.Los Angeles, CA1194016030
  5. Adel Abdelsayed, M.D.Huntington Park, CA1922164961
  6. Kashif Abdullah, M.D. , M.P.HSan Jose, CA1164651212
  7. Ilona Abraham, MDEncino, CA1700939576
  8. Jerry Abraham, MD, MPH, CMQLos Angeles, CA1932514874
  9. Azniv Abrahamian, M.D.North Hollywood, CA1033270293
  10. Elliot Abravanel, MDSan Marino, CA1821610114

Common questions

What is Ying Yan Leung, M.D's NPI number?

Ying Yan Leung, M.D's National Provider Identifier (NPI) is 1275612632, issued on Nov 4, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Ying Yan Leung, M.D located?

The NPPES record lists a practice address at 3038 S Hacienda Blvd, Hacienda Heights, CA, 91745. Phone: (626) 961-5479. Providers update this record themselves, so call before visiting.

How can I verify Ying Yan Leung, M.D's license?

NPPES lists California license number G43055, 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 Ying Yan Leung, M.D prescribe under Medicare Part D?

In 2024, Ying Yan Leung, M.D had 965 Medicare Part D claims for 99 beneficiaries; the average among general practice physician prescribers was 3,030. 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.