STEVEN KALLSEN CRNA
NPI 1982658449
Nurse Anesthetist, Certified Registered in Aurora, CO
About Steven Kallsen Crna NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
STEVEN KALLSEN CRNA (NPI 1982658449) is an individual nurse anesthetist, certified registered in Aurora, Colorado, licensed in Colorado (182427) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS and is a graduate of Other (2005).
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
Steven Kallsen 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
6Medicare enrollment records show Steven Kallsen reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Aurora, CO 80014
- Reassigned Medicare billing, Colorado enrollment
- 99 clinicians in this Medicare group
Englewood, CO 80112
- Reassigned Medicare billing, Colorado enrollment
- 22 clinicians in this Medicare group
Lone Tree, CO 80124
- Reassigned Medicare billing, Colorado enrollment
- 21 clinicians in this Medicare group
Littleton, CO 80120
- Reassigned Medicare billing, Colorado enrollment
Littleton, CO 80122
- Reassigned Medicare billing, Colorado enrollment
- 9 clinicians in this Medicare group
Sedalia, CO 80135
- Reassigned Medicare billing, Colorado enrollment
- 79 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 80014 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 4
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
AURORA, CO 80014
AURORA, CO 80014
AURORA, CO 80014
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 Steven Kallsen's NPI number?
The NPI number for Steven Kallsen is 1982658449. It was assigned to this individual provider in the NPPES registry on May 20, 2006.
Where is Steven Kallsen located?
Steven Kallsen practices at 14272 E Evans Ave, Aurora, CO 80014. The listed phone number is (303) 745-5510.
What is Steven Kallsen's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is Steven Kallsen enrolled in Medicare?
Yes. Steven Kallsen 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 Steven Kallsen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Steven Kallsen reassigns Medicare benefits to 6 organizations: Cpr Anesthesia, Inc (Aurora, CO), Metro Denver Pain Management PLLC (Englewood, CO), Spineone, PLLC (Lone Tree, CO), Sweet Dreams Anesthesia, LLC (Littleton, CO), Nice Nap Anesthesia LLC (Littleton, CO) and 1 more organization, listed in the Medicare section above. 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 Steven Kallsen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Steven Kallsen was last updated on June 11, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.