Ariel Hsintzu Wu, MD
Emergency Medicine Physician · Torrance, CA
Ariel Hsintzu Wu, MD is an emergency medicine physician with a practice address in Torrance, California, and NPI 1174100143, issued on Mar 25, 2021. Check the license (California A182710, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Ariel Hsintzu Wu
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- A182710 CA
Self-reported in NPPES; status is on the state search - Practice location
- 3330 Lomita Blvd, Torrance, CA 90505
- Phone
- (310) 325-9110
- Enumerated
- Mar 25, 2021
- Record last updated
- Apr 13, 2026
- Medicare enrollment
- Enrolled (PECOS I20240809003579); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 7,751 in California → Look up another NPI →
Also registered at 3330 Lomita Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Ariel Hsintzu Wu in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A182710Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
47% fewer Medicare Part D claims than the average emergency medicine physician in 2024
119 Medicare Part D claims for 74 beneficiaries, against an average of 226 among the 54,106 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
- Torrance Emergency Physicians IncTorrance, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ariel Hsintzu Wu among 7,751 emergency medicine physician records in California
Ariel Hsintzu Wu, MD is one of 7,751 emergency medicine physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 92% of them.
- NPI issued2021 · 92% of these records are older, 5% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated2021 · median 2011 among the 4,560 with a school on file
- Record last updated2026 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
197 emergency medicine physician records list a practice address in Torrance
They are 197 of the 8,901 NPPES records with a practice address in Torrance, and 7,751 emergency medicine physician records in California.
All 7,751 in California → Every provider in Torrance → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Elisa Anhalt, MDTorrance, CA 905051194773424
- Ellen BakerTorrance, CA 905051588612477
- Michael Baker, MDTorrance, CA 905051922030238
- Darren Bedolla, MDTorrance, CA 905051114956299
- Mark Gellman, DOTorrance, CA 905051669493375
- Robert Gibbs, MDTorrance, CA 905051043326366
- Kane Kuo, M.D.Torrance, CA 905051588600993
- Brett Lorber, MDTorrance, CA 905051225148042
Common questions
What is Ariel Hsintzu Wu, MD's NPI number?
Ariel Hsintzu Wu, MD's National Provider Identifier (NPI) is 1174100143, issued on Mar 25, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Ariel Hsintzu Wu, MD located?
The NPPES record lists a practice address at 3330 Lomita Blvd, Torrance, CA, 90505. Phone: (310) 325-9110. Providers update this record themselves, so call before visiting.
How can I verify Ariel Hsintzu Wu, MD's license?
NPPES lists California license number A182710, 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 Ariel Hsintzu Wu, MD prescribe under Medicare Part D?
In 2024, Ariel Hsintzu Wu, MD had 119 Medicare Part D claims for 74 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.