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DR. ARIEL HSINTZU WU MD
NPI 1174100143
Emergency Medicine in Torrance, CA

Active since March 25, 2021PECOS EnrolledAccepts Medicare Assignment
3330 LOMITA BLVD, TORRANCE, CA 90505(310) 325-9110 Get Directions Write a Review

NPPES record last updated: April 13, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Apr 13, 2026, Mar 25, 2021 (2 updates tracked since 2021).

About Dr. Ariel Hsintzu Wu Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. ARIEL HSINTZU WU MD (NPI 1174100143) is an individual emergency medicine provider in Torrance, California, licensed in California (A182710) and active in the NPI registry since March 2021. She is enrolled in Medicare PECOS and is a graduate of Other (2021).

NPPES Registry Identity

NPI1174100143
Entity TypeIndividualFemale
Primary Taxonomy207P00000X
Provider Legal NameDR. ARIEL HSINTZU WUCredential: MD
Location Address3330 LOMITA BLVDTorrance, CA 90505-5002
Mailing Address3330 Lomita BlvdTorrance, CA 90505-5002
Phone(310) 325-9110
Sole ProprietorNo
Medical School CMSOtherGraduated 2021
Enumeration DateMarch 25, 2021
Last NPPES UpdateApril 13, 20262 updates tracked since enumeration
NPPES CertifiedApril 13, 2026
✔ NPI 1174100143 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License✔ Licensed in CA · A182710
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
3330 LOMITA BLVD, Torrance, CA 90505
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Other Names 1

Former Name (1)Dr. Ariel Hsintzu Yang Md

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Ariel Hsintzu Wu Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID8628459633
PECOS Enrollment IDI20240809003579
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 90505 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$96.36 typical visit price
range $62.96 – $187.60
Typical copayment $24.09 (range $15.74 – $46.90)
Most-billed visit code 99203
Established Patient
$109.96 typical visit price
range $20.84 – $153.61
Typical copayment $27.49 (range $5.21 – $38.40)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DANEEN ANN LARECY MSW, LCSW
Social Worker (Clinical)
3330 LOMITA BLVD
TORRANCE, CA 90505
Los Angeles County (310) 784-4983
ALBERT GRABB M.D.
Radiology (Diagnostic Radiology)
3330 LOMITA BLVD
TORRANCE, CA 90505
Los Angeles County (310) 517-4675
DR. GINA L SULMEYER MD
Emergency Medicine
3330 LOMITA BLVD
TORRANCE, CA 90505
Los Angeles County (310) 517-4785
RYAN GLEBER MD, BS
Emergency Medicine
3330 LOMITA BLVD
TORRANCE, CA 90505
Los Angeles County (310) 325-9110
JEANETTE KAYE OKA M.D.
Anesthesiology
3330 LOMITA BLVD
TORRANCE, CA 90505
Los Angeles County (310) 325-9110
DR. RUSSELL DICKERSON M.D.
Radiology (Diagnostic Radiology)
3330 LOMITA BLVD
TORRANCE, CA 90505
Los Angeles County (310) 517-4675
DR. ANDREW SCHUMACHER M.D.
Radiology (Radiation Oncology)
3330 LOMITA BLVD
TORRANCE, CA 90505
Los Angeles County (310) 517-4750
SARAH MCOSKER
Dietitian, Registered
3330 LOMITA BLVD
TORRANCE, CA 90505
Los Angeles County (310) 325-9110

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Ariel Wu's NPI number?

The NPI number for Ariel Wu is 1174100143. It was assigned to this individual provider in the NPPES registry on March 25, 2021. The provider is also known as Dr. Ariel Hsintzu Yang MD.

Where is Ariel Wu located?

Ariel Wu practices at 3330 Lomita Blvd, Torrance, CA 90505. The listed phone number is (310) 325-9110.

What is Ariel Wu's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Ariel Wu enrolled in Medicare?

Yes. Ariel Wu is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Ariel Wu was last updated on April 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.