Catherine Liu
Psychiatry Physician · Arcadia, CA
Catherine Liu is a psychiatry physician with a practice address in Arcadia, California, and NPI 1346981263, issued on Apr 5, 2022. Check the license (California 20A21909, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Catherine Liu
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- 20A21909 CA
Self-reported in NPPES; status is on the state search - Practice location
- 330 E Live Oak Ave, Arcadia, CA 91006
- Phone
- (626) 254-1400
- Enumerated
- Apr 5, 2022
- Record last updated
- Jun 10, 2026
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 8,673 in California → Look up another NPI →
Also registered at 330 E Live Oak Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Gayane Aghakhanyan, M.DPsychiatry Physician1063793255
- Fatima Agregado, L.C.S.W.Clinical Social Worker1083700892
- Jung AhnClinical Social Worker1396980363
- Mary Lou Alarcon, RNPsychiatric/Mental Health Registered Nurse1750531133
- Maria AlferezDay Training/Habilitation Specialist1053600205
- Diana AlonzoSocial Worker1063133965
Verify Catherine Liu in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A21909Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
94% fewer Medicare Part D claims than the average psychiatry physician in 2024
58 Medicare Part D claims, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Sertraline Hcl12 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.
Catherine Liu among 8,673 psychiatry physician records in California
Catherine Liu is one of 8,673 psychiatry physician records with a practice address in California. 67% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 93% of them.
- NPI issued2022 · 93% of these records are older, 4% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileNo · 38% of these records are
- Record last updated2026 · 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 2084P0800X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Psychiatry Physician providers in California
There are 8,673 psychiatry physician records in California.
All 8,673 in California → Every provider in Arcadia → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Gayane Aghakhanyan, M.DArcadia, CA 910061063793255
- Dwight Bell, M.D.Arcadia, CA 910061396821880
- Chin ChooArcadia, CA 910061649354135
- Marita CristobalArcadia, CA 910061073688628
- Diana Del Carlo, M.D.Arcadia, CA 910061871676734
- Edgar Drew, M.D.Arcadia, CA 910061841351475
- David Gavel, M.D.Arcadia, CA 910061457549693
- Gregory Gorski, M.D.Arcadia, CA 910061780753400
Common questions
What is Catherine Liu's NPI number?
Catherine Liu's National Provider Identifier (NPI) is 1346981263, issued on Apr 5, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Catherine Liu located?
The NPPES record lists a practice address at 330 E Live Oak Ave, Arcadia, CA, 91006. Phone: (626) 254-1400. Providers update this record themselves, so call before visiting.
How can I verify Catherine Liu's license?
NPPES lists California license number 20A21909, 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 Catherine Liu prescribe under Medicare Part D?
In 2024, Catherine Liu had 58 Medicare Part D claims; the average among psychiatry physician prescribers was 1,000. 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.