Thy Vo-Tsai, D.O.
Student in an Organized Health Care Education/Training Program · La Palma, CA
Thy Vo-Tsai, D.O. is a student in an organized health care education/training program with a practice address in La Palma, California, and NPI 1821359571, issued on May 30, 2012. Check the license with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Thy Vo-Tsai
- Credential
- D.O.
- Primary taxonomy
- Student in an Organized Health Care Education/Training Program 390200000X
- Practice location
- 5 Centerpointe Dr, La Palma, CA 90623
- Phone
- (714) 562-3420
- Enumerated
- May 30, 2012
- Record last updated
- Dec 6, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20151019002399); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest student in an organized health care education/training program records → All 40,652 in California → Look up another NPI →
Also registered at 5 Centerpointe Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Valerie Babisky, NPPsychiatric/Mental Health Nurse Practitioner1992927008
- Steve BuiPharmacist1578001814
- Monica Casoliva, MDFamily Medicine Physician1730495110
- Se Young Cho, MDFamily Medicine Physician1538796222
- Suman Chopra, MDFamily Medicine Physician1407968662
- Tony Do, DOFamily Medicine Physician1942387956
Verify Thy Vo-Tsai 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
20.4 times the Medicare Part D claims of the average student in an organized health care education/training program in 2024
3,771 Medicare Part D claims for 459 beneficiaries, against an average of 185 among the 59,748 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 117 claims were for opioids.
Most prescribed
- Atorvastatin Calcium381 claims
- Levothyroxine Sodium188 claims
- Lisinopril184 claims
- Losartan Potassium177 claims
- Amlodipine Besylate137 claims
- Rosuvastatin Calcium89 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.
Bills Medicare through one group practice
- Southern California Permanente Medical GroupGarden Grove, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Thy Vo-Tsai among 40,652 student in an organized health care education/training program records in California
Thy Vo-Tsai, D.O. is one of 40,652 student in an organized health care education/training program records with a practice address in California. 16% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 5% of them.
- NPI issued2012 · 5% of these records are older, 93% newer
- In a Medicare fileYes · 16% of these records are
- In the CMS Doctors and Clinicians fileYes · 6% of these records are
- Graduated2012 · median 2017 among the 2,409 with a school on file
- Record last updated2021 · 26% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 390200000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
4 student in an organized health care education/training program records list a practice address in La Palma
They are 4 of the 593 NPPES records with a practice address in La Palma, and 40,652 student in an organized health care education/training program records in California.
All 40,652 in California → Every provider in La Palma → Student in an Organized Health Care Education/Training Program nationwide →
The 8 student in an organized health care education/training program records with the nearest ZIP codes
- Jackson KwitnyLa Palma, CA 906231366123242
- Ashley StoneLa Palma, CA 906231902540628
- Jan Loi Christine AlegreBuena Park, CA 906211457279317
- Kayla AminiBuena Park, CA 906211982413795
- Lawrence DimayugaBuena Park, CA 906211518651553
- Reynaldo Flores, MS, ATC.Buena Park, CA 906211114464252
- Lesley GarciaBuena Park, CA 906211720712599
- Alyssa HudkinsBuena Park, CA 906211649164401
Common questions
What is Thy Vo-Tsai, D.O.'s NPI number?
Thy Vo-Tsai, D.O.'s National Provider Identifier (NPI) is 1821359571, issued on May 30, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Thy Vo-Tsai, D.O. located?
The NPPES record lists a practice address at 5 Centerpointe Dr, La Palma, CA, 90623. Phone: (714) 562-3420. Providers update this record themselves, so call before visiting.
How can I verify Thy Vo-Tsai, D.O.'s license?
Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Thy Vo-Tsai, D.O. prescribe under Medicare Part D?
In 2024, Thy Vo-Tsai, D.O. had 3,771 Medicare Part D claims for 459 beneficiaries; the average among student in an organized health care education/training program prescribers was 185. 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.