MS. KATHERINE MARIE SIMS CRNA
NPI 1205808201
Nurse Anesthetist, Certified Registered in Saint Louis, MO
About Ms. Katherine Marie Sims Crna NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MS. KATHERINE MARIE SIMS CRNA (NPI 1205808201) is an individual nurse anesthetist, certified registered in Saint Louis, Missouri, licensed in Missouri (151610) and active in the NPI registry since February 2006. She is affiliated with Barnes-jewish West County Hospital and is a graduate of Other (2004).
NPPES Registry Identity
Specialties & Licenses
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
Ms. Katherine Marie Sims Crna 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 Katherine Sims reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Saint Louis, MO 63110
- Reassigned Medicare billing, Missouri enrollment
- 264 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 5
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.
Barnes-Jewish West County Hospital
Acute Care Hospitals · Creve Coeur, MOPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 63141 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.
SAINT LOUIS, MO 63141
SAINT LOUIS, MO 63141
CREVE COEUR, MO 63141
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 Katherine Sims's NPI number?
The NPI number for Katherine Sims is 1205808201. It was assigned to this individual provider in the NPPES registry on February 3, 2006.
Where is Katherine Sims located?
Katherine Sims practices at 12634 Olive Blvd Dept Anesthesiology, Saint Louis, MO 63141. The listed phone number is (800) 862-9980.
What is Katherine Sims's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is Katherine Sims enrolled in Medicare?
Yes. Katherine Sims 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 Katherine Sims's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Katherine Sims reassigns Medicare benefits to Washington University (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 Katherine Sims's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Katherine Sims affiliated with any hospitals?
According to CMS data, Katherine Sims is affiliated with Barnes-Jewish West County Hospital.
When was this NPI record last updated?
The NPPES record for Katherine Sims was last updated on April 17, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.
# Ms. Katherine Marie Sims, CRNA · NPI 1205808201
Nurse Anesthetist, Certified Registered physician in Saint Louis, Missouri. Individual provider, active in the CMS NPPES registry since February 3, 2006.
## Identity
- **NPI:** 1205808201 (Entity type: Individual)
- **Enumerated:** February 3, 2006
- **Primary specialty:** Nurse Anesthetist, Certified Registered · taxonomy 367500000X
- **State license:** 151610 (Missouri)
- **Sole proprietor:** No
## Practice location
- **Address:** 12634 OLIVE BLVD, DEPT ANESTHESIOLOGY, Saint Louis, MO 63141-6337
- **Phone:** (800) 862-9980 · **Fax:** (314) 362-1185
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** Washington University (NPI 1528005642, Saint Louis, MO), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2004
## Record status
- **NPPES last updated:** April 17, 2025
- **Other identifiers:** Medicaid 914064100 (MO)
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Source: [NPI Profile](https://npiprofile.com/npi/1205808201) · Data from the CMS NPPES public registry.