KIRSTIE HOLTERMANN
NPI 1891371886
Anesthesiology in Saint Louis, MO
About Kirstie Holtermann NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KIRSTIE HOLTERMANN (NPI 1891371886) is an individual anesthesiology provider in Saint Louis, Missouri, licensed in Missouri (2025027335) and active in the NPI registry since March 2021. She is enrolled in Medicare PECOS, is affiliated with Mercy Hospital Washington, and is a graduate of University Of Missouri, Columbia School Of Medicine (2021).
NPPES Registry Identity
Specialties & Licenses
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
Kirstie Holtermann 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 Kirstie Holtermann reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Saint Louis, MO 63141
- Reassigned Medicare billing, Missouri enrollment
- 309 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Mercy Hospital Washington
Acute Care Hospitals · Washington, MOOther Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SAINT LOUIS, MO 63141
SAINT LOUIS, MO 63141
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 Kirstie Holtermann's NPI number?
The NPI number for Kirstie Holtermann is 1891371886. It was assigned to this individual provider in the NPPES registry on March 22, 2021. The provider is also known as Kirstie Leslie.
Where is Kirstie Holtermann located?
Kirstie Holtermann practices at 615 S New Ballas Rd, Saint Louis, MO 63141. The listed phone number is (636) 386-9224.
What is Kirstie Holtermann's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Kirstie Holtermann enrolled in Medicare?
Yes. Kirstie Holtermann 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 Kirstie Holtermann's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Kirstie Holtermann reassigns Medicare benefits to Western Anesthesiology Associates, Inc. (Saint Louis, MO). 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 Kirstie Holtermann's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Kirstie Holtermann affiliated with any hospitals?
According to CMS data, Kirstie Holtermann is affiliated with Mercy Hospital Washington.
When was this NPI record last updated?
The NPPES record for Kirstie Holtermann was last updated on September 23, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.