Rosalyne Leong, PA-C
Medical Physician Assistant · Covina, CA
Rosalyne Leong, PA-C is a medical physician assistant with a practice address in Covina, California, and NPI 1306186101, issued on Feb 15, 2013. Check the license (California PA22789, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Rosalyne Leong
- Credential
- PA-C
- Primary taxonomy
- Medical Physician Assistant 363AM0700X
- License number
- PA22789 CA
Self-reported in NPPES; status is on the state search - Practice location
- 236 W College St, Covina, CA 91723
- Phone
- (626) 938-1080
- Enumerated
- Feb 15, 2013
- Record last updated
- Feb 15, 2013 (not updated in 13 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest medical physician assistant records → All 3,376 in California → Look up another NPI →
Also registered at 236 W College St
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Verify Rosalyne Leong in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license PA22789Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
46% more Medicare Part D claims than the average medical physician assistant in 2024
1,671 Medicare Part D claims for 255 beneficiaries, against an average of 1,148 among the 23,801 providers of this specialty who prescribed in Part D. 80 claims were for opioids.
Most prescribed
- Atorvastatin Calcium105 claims
- Levothyroxine Sodium87 claims
- Amlodipine Besylate63 claims
- Losartan Potassium58 claims
- Hydrocodone-Acetaminophen51 claims
- Lisinopril39 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.
Rosalyne Leong among 3,376 medical physician assistant records in California
Rosalyne Leong, PA-C is one of 3,376 medical physician assistant records with a practice address in California. 69% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 54% of them.
- NPI issued2013 · 54% of these records are older, 42% newer
- In a Medicare fileYes · 69% of these records are
- In the CMS Doctors and Clinicians fileNo · 40% of these records are
- Record last updated2013 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363AM0700X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Medical Physician Assistant providers in California
There are 3,376 medical physician assistant records in California.
All 3,376 in California → Every provider in Covina → Medical Physician Assistant nationwide →
The 8 medical physician assistant records with the nearest ZIP codes
- Antonious Abraham, PA-CCovina, CA 917231003434275
- Sachi Ezaki, PA-CCovina, CA 917231821177254
- Catherine Harris, PA-CCovina, CA 917231447360979
- Blair Johnson, PACovina, CA 917231124082292
- Arturo Martinez, PACovina, CA 917231235154568
- Erin Prieto, PA-CCovina, CA 917231225410129
- Michael Ross, PACovina, CA 917231508820648
- Lauren Tatum, P.ACovina, CA 917231740601509
Common questions
What is Rosalyne Leong, PA-C's NPI number?
Rosalyne Leong, PA-C's National Provider Identifier (NPI) is 1306186101, issued on Feb 15, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Rosalyne Leong, PA-C located?
The NPPES record lists a practice address at 236 W College St, Covina, CA, 91723. Phone: (626) 938-1080. Providers update this record themselves, so call before visiting.
How can I verify Rosalyne Leong, PA-C's license?
NPPES lists California license number PA22789, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Rosalyne Leong, PA-C prescribe under Medicare Part D?
In 2024, Rosalyne Leong, PA-C had 1,671 Medicare Part D claims for 255 beneficiaries; the average among medical physician assistant prescribers was 1,148. 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.