JIACHIAHN SHELIA HSU MD
NPI 1942478086
Internal Medicine in Torrance, CA
About Jiachiahn Shelia Hsu Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JIACHIAHN SHELIA HSU MD (NPI 1942478086) is an individual internal medicine provider in Torrance, California, licensed in California (A95434) and active in the NPI registry since February 2008. She is enrolled in Medicare PECOS and is a graduate of Loma Linda University School Of Medicine (2004).
NPPES Registry Identity
Specialties & Licenses 2
Other Names 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Jiachiahn Shelia Hsu 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.
Medicare Billing Reassignment
Medicare enrollment records show Jiachiahn Hsu reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Torrance, CA 90503
- Reassigned Medicare billing, California enrollment
- 266 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 2
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 90503 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
TORRANCE, CA 90503
TORRANCE, CA 90503
TORRANCE, CA 90503
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 Jiachiahn Hsu's NPI number?
The NPI number for Jiachiahn Hsu is 1942478086. It was assigned to this individual provider in the NPPES registry on February 12, 2008. The provider is also known as Shelia Hsu MD.
Where is Jiachiahn Hsu located?
Jiachiahn Hsu practices at 4101 Torrance Blvd Providence Lcom Hospitalist Office, Che, Torrance, CA 90503. The listed phone number is (310) 374-8191.
What is Jiachiahn Hsu's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Jiachiahn Hsu enrolled in Medicare?
Yes. Jiachiahn Hsu 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.
Which organization bills Medicare for Jiachiahn Hsu's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Jiachiahn Hsu reassigns Medicare benefits to Providence Medical Institute (Torrance, CA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Jiachiahn Hsu's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Jiachiahn Hsu was last updated on April 14, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years 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.
# Jiachiahn Shelia Hsu, MD · NPI 1942478086
Internal Medicine physician in Torrance, California. Individual provider, active in the CMS NPPES registry since February 12, 2008.
## Identity
- **NPI:** 1942478086 (Entity type: Individual)
- **Enumerated:** February 12, 2008
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** A95434 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 4101 TORRANCE BLVD, PROVIDENCE LCOM HOSPITALIST OFFICE, CHE, Torrance, CA 90503-4607
- **Phone:** (310) 374-8191
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Providence Medical Institute (NPI 1235182569, Torrance, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Loma Linda University School Of Medicine, class of 2004
## Record status
- **NPPES last updated:** April 14, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1942478086) · Data from the CMS NPPES public registry.