KARI DIANE CHRZANOWSKI CRNA
NPI 1639443484
Nurse Anesthetist, Certified Registered in Saint Louis, MO
About Kari Diane Chrzanowski Crna NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KARI DIANE CHRZANOWSKI CRNA (NPI 1639443484) is an individual nurse anesthetist, certified registered in Saint Louis, Missouri, licensed in Missouri (2012005554) and active in the NPI registry since February 2012. She is a graduate of Other (2011).
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
Kari Diane Chrzanowski 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 Reassignments
2Medicare enrollment records show Kari Chrzanowski reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Saint Louis, MO 63110
- Reassigned Medicare billing, Missouri enrollment
- 142 clinicians in this Medicare group
Addison, TX 75001
- Reassigned Medicare billing, Missouri enrollment
- 175 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
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 63110 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.
SAINT LOUIS, MO 63110
SAINT LOUIS, MO 63110
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 Kari Chrzanowski's NPI number?
The NPI number for Kari Chrzanowski is 1639443484. It was assigned to this individual provider in the NPPES registry on February 25, 2012.
Where is Kari Chrzanowski located?
Kari Chrzanowski practices at 3635 Vista Ave, Saint Louis, MO 63110. The listed phone number is (314) 577-8000.
What is Kari Chrzanowski's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is Kari Chrzanowski enrolled in Medicare?
Yes. Kari Chrzanowski 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 Kari Chrzanowski's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Kari Chrzanowski reassigns Medicare benefits to 2 organizations: Ssm Health Slu Hospital Anesthesia Physician Billing, LLC (Saint Louis, MO) and Orthomed Staffing LLC (Addison, 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 Kari Chrzanowski's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Kari Chrzanowski accept?
Health plans from Anthem Blue Cross and Blue Shield and Blue Cross and Blue Shield of Kansas City list Kari Chrzanowski 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.
When was this NPI record last updated?
The NPPES record for Kari Chrzanowski was last updated on January 26, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.
# Kari Diane Chrzanowski, CRNA · NPI 1639443484
Nurse Anesthetist, Certified Registered physician in Saint Louis, Missouri. Individual provider, active in the CMS NPPES registry since February 25, 2012.
## Identity
- **NPI:** 1639443484 (Entity type: Individual)
- **Enumerated:** February 25, 2012
- **Primary specialty:** Nurse Anesthetist, Certified Registered · taxonomy 367500000X
- **State license:** 2012005554 (Missouri)
- **Sole proprietor:** No
## Practice location
- **Address:** 3635 VISTA AVE, Saint Louis, MO 63110-2539
- **Phone:** (314) 577-8000
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Ssm Health Slu Hospital Anesthesia Physician Billing, LLC (NPI 1407232804, Saint Louis, MO); Orthomed Staffing LLC (NPI 1225514276, Addison, TX) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2011
## Record status
- **NPPES last updated:** January 26, 2016
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Source: [NPI Profile](https://npiprofile.com/npi/1639443484) · Data from the CMS NPPES public registry.