Catherine Liu, MSPAC
Physician Assistant · Monterey Park, CA
Catherine Liu, MSPAC is a physician assistant with a practice address in Monterey Park, California, and NPI 1285960070, issued on Oct 28, 2009. Check the license (California PA20306, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Catherine Liu
- Credential
- MSPAC
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- PA20306 CA
Self-reported in NPPES; status is on the state search - Practice location
- 616 N Garfield Ave, Monterey Park, CA 91754
- Phone
- (626) 280-1181
- Enumerated
- Oct 28, 2009
- Record last updated
- Oct 28, 2009 (not updated in 17 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20110216000920); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 14,451 in California → Look up another NPI →
Also registered at 616 N Garfield Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Bruno Hsu, D.D.S.General Practice Dentistry1841488731
- Antranig Kelleyan, D.D.S.General Practice Dentistry1568472991
- En Ming Lai, D.O.Family Medicine Physician1316105554
- Kyle Punzalan, MDInternal Medicine Physician1154908804
- Glenna Shih, O.D.Optometrist1447452420
- Irene Wong, L.ACAcupuncturist1457419335
Verify Catherine Liu in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license PA20306Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average physician assistant in 2024
20 Medicare Part D claims, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D.
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: $918.04
11 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 64,719 providers of this specialty with any payment received $841.65 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
- American Current Care OF California A Medical CorporationSan Marcos, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Catherine Liu among 14,451 physician assistant records in California
Catherine Liu, MSPAC 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 2009, is newer than 25% of them.
- NPI issued2009 · 25% of these records are older, 73% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 50% of these records are
- Graduated2008 · median 2018 among the 7,214 with a school on file
- Record last updated2009 · 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).
21 physician assistant records list a practice address in Monterey Park
They are 21 of the 948 NPPES records with a practice address in Monterey Park, and 14,451 physician assistant records in California.
All 14,451 in California → Every provider in Monterey Park → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Freddy Chan, P.A.Monterey Park, CA 917541639289614
- Renee Chong, P.A.Monterey Park, CA 917541629014873
- Oi Chung, P.A.,N.P.Monterey Park, CA 917541104085893
- Coleman Ho, PA-CMonterey Park, CA 917541245580273
- Christine HuynhMonterey Park, CA 917541386365344
- Jason Lam, PA-CMonterey Park, CA 917541770346371
- Xiuhua Liang, MSPA-CMonterey Park, CA 917541710175625
- Levi Newman, PA-CMonterey Park, CA 917541710429048
Common questions
What is Catherine Liu, MSPAC's NPI number?
Catherine Liu, MSPAC's National Provider Identifier (NPI) is 1285960070, issued on Oct 28, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Catherine Liu, MSPAC located?
The NPPES record lists a practice address at 616 N Garfield Ave, Monterey Park, CA, 91754. Phone: (626) 280-1181. Providers update this record themselves, so call before visiting.
How can I verify Catherine Liu, MSPAC's license?
NPPES lists California license number PA20306, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Catherine Liu, MSPAC prescribe under Medicare Part D?
In 2024, Catherine Liu, MSPAC had 20 Medicare Part D claims; 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.