Jonathan K. Leung, MD
Specialist · Covina, CA
Jonathan K. Leung, MD is a specialist with a practice address in Covina, California, and NPI 1851349146, issued on May 5, 2006. Check the license (California A46488, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Jonathan K. Leung
- Credential
- MD
- Primary taxonomy
- Specialist 174400000X
- License number
- A46488 CA
Self-reported in NPPES; status is on the state search - Practice location
- 420 W Rowland St, Covina, CA 91723
- Phone
- (626) 331-6411
- Enumerated
- May 5, 2006
- Record last updated
- May 4, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (626) 251-1559
- Medicaid ID
- 00A464880 CA
- Entity
- Type 1 · individual
8 nearest specialist records → All 5,749 in California → Look up another NPI →
Also registered at 420 W Rowland St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Mary Absood, M.D.Internal Medicine Physician1497735906
- Nancy Aceves, RN, FNPFamily Nurse Practitioner1235171703
- Joseph Alonzo, M.D.Internal Medicine Physician1225077050
- Sarah Anh, M.D.Emergency Medicine Physician1104037159
- Travis Boyer, FNPFamily Nurse Practitioner1265901870
- Annamari Cabrera, MDPediatrics Physician1881653434
Verify Jonathan K. Leung in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license A46488Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
21% more Medicare Part D claims than the average specialist in 2024
1,669 Medicare Part D claims for 363 beneficiaries, against an average of 1,380 among the 8,233 providers of this specialty who prescribed in Part D. Brand-name drugs were 51% of claims.
Most prescribed
- Trelegy Ellipta407 claims
- Montelukast Sodium308 claims
- Albuterol Sulfate Hfa175 claims
- Breo Ellipta136 claims
- Anoro Ellipta84 claims
- Fluticasone Propionate75 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: $351.10
3 payments; by number, the most common kind was food and beverage; the largest payer was Bayer Healthcare Pharmaceuticals Inc. The 5,844 providers of this specialty with any payment received $4,760.79 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.
Jonathan K. Leung among 5,749 specialist records in California
Jonathan K. Leung, MD is one of 5,749 specialist records with a practice address in California. 30% 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 7% of them.
- NPI issued2006 · 7% of these records are older, 60% newer
- In a Medicare fileYes · 30% of these records are
- In the CMS Doctors and Clinicians fileNo · 19% of these records are
- Record last updated2021 · 77% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 174400000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Specialist providers in California
There are 5,749 specialist records in California.
All 5,749 in California → Every provider in Covina → Specialist nationwide →
The 8 specialist records with the nearest ZIP codes
- Osvaldo Arenas-Diaz, M.D.Covina, CA 917231043204142
- Arsalan Geula, M.D.Covina, CA 917231881602290
- Heather Jantz Garcia, M.S., OTR/LCovina, CA 917231205204765
- Perry Maloff, M.D.Covina, CA 917231033265301
- Ranga Reddy, M.DCovina, CA 917231114987500
- Linda Tsang, M.D.Covina, CA 917231275581001
- Pawan Vermani, M.D.Covina, CA 917221205864451
- Peter Ambrose, M.D.Rancho Cucamonga, CA 917301922175041
Common questions
What is Jonathan K. Leung, MD's NPI number?
Jonathan K. Leung, MD's National Provider Identifier (NPI) is 1851349146, issued on May 5, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Jonathan K. Leung, MD located?
The NPPES record lists a practice address at 420 W Rowland St, Covina, CA, 91723. Phone: (626) 331-6411. Providers update this record themselves, so call before visiting.
How can I verify Jonathan K. Leung, MD's license?
NPPES lists California license number A46488, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Jonathan K. Leung, MD prescribe under Medicare Part D?
In 2024, Jonathan K. Leung, MD had 1,669 Medicare Part D claims for 363 beneficiaries; the average among specialist prescribers was 1,380. 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.