DR. HSU-HSIEN SHELLY LWU MD, FRCSC
NPI 1922422518
Neurological Surgery in La Crosse, WI
About Dr. Hsu-hsien Shelly Lwu Md, Frcsc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. HSU-HSIEN SHELLY LWU MD, FRCSC (NPI 1922422518) is an individual neurological surgery provider in La Crosse, Wisconsin, licensed in Wisconsin (70304) and active in the NPI registry since February 2014. She is enrolled in Medicare PECOS, is affiliated with Chi St Alexius Health, and maintains a secondary practice location in Bismarck.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Accepted Insurance
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
Dr. Hsu-hsien Shelly Lwu Md, Frcsc 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 Hsu-hsien Lwu reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Bismarck, ND 58501
- Reassigned Medicare billing, North Dakota enrollment
- 616 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 4
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.
Hospital Affiliations CMS Care Compare 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Chi St Alexius Health
Acute Care Hospitals · Bismarck, NDChi St Alexius Health Dickinson
Critical Access Hospitals · Dickinson, NDMobridge Regional Hospital - Cah
Critical Access Hospitals · Mobridge, SDPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 54601 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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.
LA CROSSE, WI 54601
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 Hsu-hsien Lwu's NPI number?
The NPI number for Hsu-hsien Lwu is 1922422518. It was assigned to this individual provider in the NPPES registry on February 18, 2014.
Where is Hsu-hsien Lwu located?
Hsu-hsien Lwu practices at 800 West Ave S, La Crosse, WI 54601. The listed phone number is (608) 785-0940.
What is Hsu-hsien Lwu's specialty?
The primary specialty registered for this NPI is Neurological Surgery with taxonomy code 207T00000X.
Is Hsu-hsien Lwu enrolled in Medicare?
Yes. Hsu-hsien Lwu 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 Hsu-hsien Lwu's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Hsu-hsien Lwu reassigns Medicare benefits to St. Alexius Medical Center (Bismarck, ND). 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 Hsu-hsien Lwu's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Hsu-hsien Lwu accept?
Health plans from Blue Cross Blue Shield of North Dakota list Hsu-hsien Lwu as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Hsu-hsien Lwu affiliated with any hospitals?
According to CMS data, Hsu-hsien Lwu is affiliated with Chi St Alexius Health, Chi St Alexius Health Dickinson and Mobridge Regional Hospital - Cah.
When was this NPI record last updated?
The NPPES record for Hsu-hsien Lwu was last updated on June 24, 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.
# Dr. Hsu-Hsien Shelly Lwu, MD, FRCSC · NPI 1922422518
Neurological Surgery physician in La Crosse, Wisconsin. Individual provider, active in the CMS NPPES registry since February 18, 2014.
## Identity
- **NPI:** 1922422518 (Entity type: Individual)
- **Enumerated:** February 18, 2014
- **Primary specialty:** Neurological Surgery · taxonomy 207T00000X
- **State license:** 70304 (Wisconsin)
- **Sole proprietor:** No
## Practice location
- **Address:** 800 WEST AVE S, La Crosse, WI 54601
- **Phone:** (608) 785-0940
## 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:** St. Alexius Medical Center (NPI 1629121074, Bismarck, ND), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2004
## Record status
- **NPPES last updated:** June 24, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1922422518) · Data from the CMS NPPES public registry.