Cynthia Tsay
Surgical Physician Assistant · Los Angeles, CA
Cynthia Tsay is a surgical physician assistant with a practice address in Los Angeles, California, and NPI 1477168342, issued on Sep 9, 2020. Check the license (California PA61110, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Cynthia Tsay
- Primary taxonomy
- Surgical Physician Assistant 363AS0400X
- License number
- PA61110 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1500 San Pablo St, Los Angeles, CA 90033
- Phone
- (323) 442-8500
- Enumerated
- Sep 9, 2020
- Record last updated
- Jan 1, 2025
- Medicare enrollment
- Enrolled (PECOS I20220801002632); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest surgical physician assistant records → All 1,075 in California → Look up another NPI →
Also registered at 1500 San Pablo St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Hadi Abou El Hassan, MDNeurology Physician1053995720
- Taaha Adamji, MDStudent in an Organized Health Care Education/Training Program1770414377
- Nikhil AggarwalStudent in an Organized Health Care Education/Training Program1144029596
Verify Cynthia Tsay in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license PA61110Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
92% fewer Medicare Part D claims than the average surgical physician assistant in 2024
23 Medicare Part D claims for 16 beneficiaries, against an average of 304 among the 10,174 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.
Bills Medicare through one group practice
- Usc Care Medical Group IncArcadia, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Cynthia Tsay among 1,075 surgical physician assistant records in California
Cynthia Tsay is one of 1,075 surgical physician assistant records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 84% of them.
- NPI issued2020 · 84% of these records are older, 13% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2021 · median 2012 among the 649 with a school on file
- Record last updated2025 · 53% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363AS0400X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Surgical Physician Assistant providers in California
There are 1,075 surgical physician assistant records in California.
All 1,075 in California → Every provider in Los Angeles → Surgical Physician Assistant nationwide →
The 8 surgical physician assistant records with the nearest ZIP codes
- Nidal AlkafarnaLos Angeles, CA 900331053796136
- Saurabh Ashier, PA-CLos Angeles, CA 900331235340811
- Raafat Attalla, PA-CLos Angeles, CA 900331992720726
- Guadalupe Gonzalez, PA-CLos Angeles, CA 900331700929650
- Leonardo Granados, PA-CLos Angeles, CA 900331972758159
- Christopher Justino, P.A.Los Angeles, CA 900331720370117
- Katherine Katz, PACLos Angeles, CA 900331568622264
- John Ludington, P.A. - CLos Angeles, CA 900331871662213
Common questions
What is Cynthia Tsay's NPI number?
Cynthia Tsay's National Provider Identifier (NPI) is 1477168342, issued on Sep 9, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Cynthia Tsay located?
The NPPES record lists a practice address at 1500 San Pablo St, Los Angeles, CA, 90033. Phone: (323) 442-8500. Providers update this record themselves, so call before visiting.
How can I verify Cynthia Tsay's license?
NPPES lists California license number PA61110, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Cynthia Tsay prescribe under Medicare Part D?
In 2024, Cynthia Tsay had 23 Medicare Part D claims for 16 beneficiaries; the average among surgical physician assistant prescribers was 304. 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.