Margaret Tsai, PA-C
Physician Assistant · City Of Industry, CA
Margaret Tsai, PA-C is a physician assistant with a practice address in City Of Industry, California, and NPI 1619328291, issued on Jun 25, 2016. Check the license (California 53484, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Margaret Tsai
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- 53484 CA
Self-reported in NPPES; status is on the state search - Practice location
- 18575 Gale Ave Ste 128, City Of Industry, CA 91748
- Phone
- (626) 912-5335
- Enumerated
- Jun 25, 2016
- Record last updated
- Aug 19, 2025
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 14,451 in California → Look up another NPI →
Also registered at 18575 Gale Ave Ste 128
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Yuan-Fei Chang, M.D.Family Medicine Physician1194739128
Verify Margaret Tsai in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 53484Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.9 times the Medicare Part D claims of the average physician assistant in 2024
2,375 Medicare Part D claims for 497 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium237 claims
- Amlodipine Besylate190 claims
- Omeprazole154 claims
- Lorazepam120 claims
- Losartan Potassium108 claims
- Levocetirizine Dihydrochloride81 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.
Industry payments in 2024: $1,059.43
30 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.
Margaret Tsai among 14,451 physician assistant records in California
Margaret Tsai, PA-C 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 2016, is newer than 44% of them.
- NPI issued2016 · 44% of these records are older, 53% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileNo · 50% of these records are
- Record last updated2025 · 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).
6 physician assistant records list a practice address in City Of Industry
They are 6 of the 716 NPPES records with a practice address in City Of Industry, and 14,451 physician assistant records in California.
All 14,451 in California → Every provider in City Of Industry → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Tyler Gachett, PA-CCity Of Industry, CA 917481245107432
- Xinyuan Hu, PACity Of Industry, CA 917481508522426
- Roland KamachiRowland Heights, CA 917481235745415
- Sohyun LimRowland Heights, CA 917481821506775
- Chun Ng, D.C., PA-CCity Of Industry, CA 917481598967507
- Jessica QuijadaRowland Heights, CA 917481700709730
- Alda Shi, PARowland Heights, CA 917481750856720
- Luhong Tan, PA-CCity Of Industry, CA 917481891424370
Common questions
What is Margaret Tsai, PA-C's NPI number?
Margaret Tsai, PA-C's National Provider Identifier (NPI) is 1619328291, issued on Jun 25, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Margaret Tsai, PA-C located?
The NPPES record lists a practice address at 18575 Gale Ave Ste 128, City Of Industry, CA, 91748. Phone: (626) 912-5335. Providers update this record themselves, so call before visiting.
How can I verify Margaret Tsai, PA-C's license?
NPPES lists California license number 53484, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Margaret Tsai, PA-C prescribe under Medicare Part D?
In 2024, Margaret Tsai, PA-C had 2,375 Medicare Part D claims for 497 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.