Ivan Wai Yau Leung
Family Medicine Physician · Los Angeles, CA
Ivan Wai Yau Leung is a family medicine physician with a practice address in Los Angeles, California, and NPI 1194341438, issued on Jun 23, 2020. Check the license (California A183983, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Ivan Wai Yau Leung
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- A183983 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1400 S Grand Ave Ste 801, Los Angeles, CA 90015
- Phone
- (213) 741-9727
- Enumerated
- Jun 23, 2020
- Record last updated
- May 6, 2024
- Medicare enrollment
- Enrolled (PECOS I20230710002918); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 1400 S Grand Ave Ste 801
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Mahshid Aalam, PHARMDPharmacist1659086155
- Einar Joshua Banares, MSN, RN, AGACNP-BCAcute Care Nurse Practitioner1053192971
- Kimberly Charlton, M.D.Psychiatry Physician1447317771
- Rachel Cooper, MDInternal Medicine Physician1851820419
- Norma Ramirez, ACSWClinical Social Worker1295506384
- Gabriela VargasClinical Social Worker1437303716
Verify Ivan Wai Yau Leung in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A183983Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
32% fewer Medicare Part D claims than the average family medicine physician in 2024
2,424 Medicare Part D claims for 125 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 34% of claims.
Most prescribed
- Biktarvy353 claims
- Atorvastatin Calcium170 claims
- Losartan Potassium109 claims
- Lisinopril104 claims
- Gabapentin76 claims
- Amlodipine Besylate58 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 87.8 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $1,860.27
51 payments; by number, the most common kind was food and beverage; the largest payer was ViiV Healthcare Company. The 55,478 providers of this specialty with any payment received $902.55 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
- Aids Healthcare FoundationLos Angeles, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
829 family medicine physician records list a practice address in Los Angeles
They are 829 of the 69,537 NPPES records with a practice address in Los Angeles, and 17,133 family medicine physician records in California.
All 829 in Los Angeles → All 17,133 in California → Every provider in Los Angeles →
Other family medicine physician records in California
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- Anna Tzeitel Abalos, MDRoseville, CA1720200017
- Adan Abarca, MDAnaheim, CA1760553689
- Vanessa Abarca, DOVentura, CA1952040859
- Lorraine Abate, M.D.Sacramento, CA1104840008
- Robert Abatecola, MDCastro Valley, CA1669551719
- Romeo Abaya, M.D.Cottonwood, CA1598053506
- Effiem Abbah, MD, MPHSan Francisco, CA1821185133
- Khuzeman Abbasi, MDSanta Rosa, CA1841979952
Common questions
What is Ivan Wai Yau Leung's NPI number?
Ivan Wai Yau Leung's National Provider Identifier (NPI) is 1194341438, issued on Jun 23, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Ivan Wai Yau Leung located?
The NPPES record lists a practice address at 1400 S Grand Ave Ste 801, Los Angeles, CA, 90015. Phone: (213) 741-9727. Providers update this record themselves, so call before visiting.
How can I verify Ivan Wai Yau Leung's license?
NPPES lists California license number A183983, 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 Ivan Wai Yau Leung prescribe under Medicare Part D?
In 2024, Ivan Wai Yau Leung had 2,424 Medicare Part D claims for 125 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
What is Ivan Wai Yau Leung's MIPS final score?
The 2023 MIPS final score is 87.8 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.