LIBBY ROSE WESTMAN
NPI 1386149466
Nurse Anesthetist, Certified Registered in Sioux Falls, SD
About Libby Rose Westman NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
LIBBY ROSE WESTMAN (NPI 1386149466) is an individual nurse anesthetist, certified registered in Sioux Falls, South Dakota, licensed in South Dakota (120491) and active in the NPI registry since March 2018. She is affiliated with Avera Mckennan Hospital & University Health Center and is a graduate of Other (2018).
NPPES Registry Identity
Specialties & Licenses
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
Libby Rose Westman 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
2Medicare enrollment records show Libby Westman reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Sioux Falls, SD 57105
- Reassigned Medicare billing, South Dakota enrollment
- 1,277 clinicians in this Medicare group
Pierre, SD 57501
- Reassigned Medicare billing, South Dakota enrollment
- Medicare enrollment name: Avera St Marys
- 197 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 3
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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Avera Mckennan Hospital & University Health Center
Acute Care Hospitals · Sioux Falls, SDPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 57105 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.
SIOUX FALLS, SD 57105
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 Libby Westman's NPI number?
The NPI number for Libby Westman is 1386149466. It was assigned to this individual provider in the NPPES registry on March 29, 2018.
Where is Libby Westman located?
Libby Westman practices at 1325 S Cliff Ave, Sioux Falls, SD 57105. The listed phone number is (605) 322-8000.
What is Libby Westman's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is Libby Westman enrolled in Medicare?
Yes. Libby Westman 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 Libby Westman's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Libby Westman reassigns Medicare benefits to 2 organizations: Avera Mckennan (Sioux Falls, SD) and Avera St. Mary's (Pierre, SD). 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 Libby Westman's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Libby Westman accept?
Health plans from Avera Health Plans, Wellmark Health Plan of Iowa, Inc. and Wellmark of South Dakota, Inc. list Libby Westman 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 Libby Westman affiliated with any hospitals?
According to CMS data, Libby Westman is affiliated with Avera Mckennan Hospital & University Health Center.
When was this NPI record last updated?
The NPPES record for Libby Westman was last updated on March 29, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.
# Libby Rose Westman · NPI 1386149466
Nurse Anesthetist, Certified Registered physician in Sioux Falls, South Dakota. Individual provider, active in the CMS NPPES registry since March 29, 2018.
## Identity
- **NPI:** 1386149466 (Entity type: Individual)
- **Enumerated:** March 29, 2018
- **Primary specialty:** Nurse Anesthetist, Certified Registered · taxonomy 367500000X
- **State license:** 120491 (South Dakota)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 1325 S CLIFF AVE, Sioux Falls, SD 57105-1007
- **Phone:** (605) 322-8000
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Avera Mckennan (NPI 1053680678, Sioux Falls, SD); Avera St. Mary's (NPI 1972082683, Pierre, SD) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2018
## Record status
- **NPPES last updated:** March 29, 2018
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Source: [NPI Profile](https://npiprofile.com/npi/1386149466) · Data from the CMS NPPES public registry.