DEBORAH CHIUNG WEN HSU MD
NPI 1639259997
Pediatrics - Pediatric Emergency Medicine in Stanford, CA
About Deborah Chiung Wen Hsu Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DEBORAH CHIUNG WEN HSU MD (NPI 1639259997) is an individual pediatric emergency medicine provider in Stanford, California, licensed in California (C191942) and active in the NPI registry since October 2006. She is enrolled in Medicare PECOS, maintains a secondary practice location in Houston, and is a graduate of University Of North Carolina At Chapel Hill School Of Medicine (1994).
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
Other Identifiers 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
Deborah Chiung Wen 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 Reassignments
3Medicare enrollment records show Deborah Hsu reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Stanford, CA 94305
- Reassigned Medicare billing, California enrollment
- 4,258 clinicians in this Medicare group
Palo Alto, CA 94304
- Reassigned Medicare billing, California enrollment
- 3,617 clinicians in this Medicare group
Houston, TX 77030
- Reassigned Medicare billing, Texas enrollment
- 2,296 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.
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.
STANFORD, CA 94305
STANFORD, CA 94305
STANFORD, CA 94305
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 Deborah Hsu's NPI number?
The NPI number for Deborah Hsu is 1639259997. It was assigned to this individual provider in the NPPES registry on October 17, 2006.
Where is Deborah Hsu located?
Deborah Hsu practices at 300 Pasteur Dr, Stanford, CA 94305. The listed phone number is (650) 723-4000.
What is Deborah Hsu's specialty?
The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Emergency Medicine, with taxonomy code 2080P0204X.
Is Deborah Hsu enrolled in Medicare?
Yes. Deborah 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 organizations bill Medicare for Deborah Hsu's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Deborah Hsu reassigns Medicare benefits to 3 organizations: Stanford Health Care (Stanford, CA), Lpch Medical Group Div Of Lucile (Palo Alto, CA) and Baylor College Of Medicine (Houston, TX). Each 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 Deborah 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 Deborah Hsu was last updated on March 22, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Deborah Chiung Wen Hsu, MD · NPI 1639259997
Pediatric Emergency Medicine physician in Stanford, California. Individual provider, active in the CMS NPPES registry since October 17, 2006.
## Identity
- **NPI:** 1639259997 (Entity type: Individual)
- **Enumerated:** October 17, 2006
- **Primary specialty:** Pediatrics - Pediatric Emergency Medicine · taxonomy 2080P0204X
- **State license:** C191942 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 300 PASTEUR DR, Stanford, CA 94305-2200
- **Phone:** (650) 723-4000
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): Stanford Health Care (NPI 1437292927, Stanford, CA); Lpch Medical Group Div Of Lucile (NPI 1417907940, Palo Alto, CA); Baylor College Of Medicine (NPI 1104867175, Houston, TX) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of North Carolina At Chapel Hill School Of Medicine, class of 1994
## Record status
- **NPPES last updated:** March 22, 2024
- **Other identifiers:** Medicaid 124242201 (TX)
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Source: [NPI Profile](https://npiprofile.com/npi/1639259997) · Data from the CMS NPPES public registry.