Chen Liang
Physician Assistant · Upland, CA
Chen Liang is a physician assistant with a practice address in Upland, California, and NPI 1942843511, issued on Oct 25, 2019. Check the license with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Chen Liang
- Primary taxonomy
- Physician Assistant 363A00000X
- Practice location
- 999 San Bernardino RD, Upland, CA 91786
- Phone
- (909) 985-2811
- Enumerated
- Oct 25, 2019
- Record last updated
- Aug 6, 2020 (not updated in 6 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 14,451 in California → Look up another NPI →
Also registered at 999 San Bernardino RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- James Akamine, M.D.Diagnostic Radiology Physician1497790125
- Ahmed Al-WaisiInternal Medicine Physician1871115709
- Donald Alpiner, DOSurgery Physician1811086952
- Alexander ArzooStudent in an Organized Health Care Education/Training Program1891635629
- Liezl Avila, D.O.Emergency Medicine Physician1487064515
Verify Chen Liang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
70% fewer Medicare Part D claims than the average physician assistant in 2024
248 Medicare Part D claims for 130 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. 18 claims were for opioids.
Most prescribed
- Ondansetron Odt55 claims
- Naproxen37 claims
- Cephalexin31 claims
- Cyclobenzaprine Hcl15 claims
- Hydrocodone-Acetaminophen13 claims
- Dicyclomine Hcl11 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.
Chen Liang among 14,451 physician assistant records in California
Chen Liang is one of 14,451 physician assistant records with a practice address in California. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 56% of them.
- NPI issued2019 · 56% of these records are older, 38% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileNo · 50% of these records are
- Record last updated2020 · 40% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
33 physician assistant records list a practice address in Upland
They are 33 of the 1,846 NPPES records with a practice address in Upland, and 14,451 physician assistant records in California.
All 14,451 in California → Every provider in Upland → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- James Allred, OPA-CUpland, CA 917861114179454
- Anthony Antenorcruz, PA-CUpland, CA 917861376722884
- Frank Canavan, PA-CUpland, CA 917861194811984
- Frantz Despas, PA-CUpland, CA 917861417288275
- Ian Donahue, PA-CUpland, CA 917861023406725
- Amanda Ingalls, PA-CUpland, CA 917861134522501
- Erin Jensen, P.AUpland, CA 917861730413816
- Shannon Lambert, MPAS, PA-CUpland, CA 917861548406952
Common questions
What is Chen Liang's NPI number?
Chen Liang's National Provider Identifier (NPI) is 1942843511, issued on Oct 25, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Chen Liang located?
The NPPES record lists a practice address at 999 San Bernardino RD, Upland, CA, 91786. Phone: (909) 985-2811. Providers update this record themselves, so call before visiting.
How can I verify Chen Liang's license?
Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Chen Liang prescribe under Medicare Part D?
In 2024, Chen Liang had 248 Medicare Part D claims for 130 beneficiaries; the average among physician assistant prescribers was 830. 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.