KAREN S CALDWELL CRNA
NPI 1447226923
Nurse Anesthetist, Certified Registered in Chattanooga, TN
About Karen S Caldwell Crna NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KAREN S CALDWELL CRNA (NPI 1447226923) is an individual nurse anesthetist, certified registered in Chattanooga, Tennessee, licensed in Tennessee (RN74896) and active in the NPI registry since February 2006. She is affiliated with Memorial Healthcare System, Inc and is a graduate of Other (1985).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 2
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
Karen S Caldwell 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 Karen Caldwell reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Chattanooga, TN 37411
- Reassigned Medicare billing, Tennessee enrollment
- 570 clinicians in this Medicare group
Knoxville, TN 37916
- Reassigned Medicare billing, Tennessee enrollment
- Medicare enrollment name: American Anesthesiology Of Tennessee PC
- 959 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 2
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.
Memorial Healthcare System, Inc
Acute Care Hospitals · Chattanooga, TNPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 37404 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.
CHATTANOOGA, TN 37404
CHATTANOOGA, TN 37404
CHATTANOOGA, TN 37404
CHATTANOOGA, TN 37404
CHATTANOOGA, TN 37404
CHATTANOOGA, TN 37404
CHATTANOOGA, TN 37404
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 Karen Caldwell's NPI number?
The NPI number for Karen Caldwell is 1447226923. It was assigned to this individual provider in the NPPES registry on February 24, 2006.
Where is Karen Caldwell located?
Karen Caldwell practices at 2341 Mccallie Ave Suite 402, Chattanooga, TN 37404. The listed phone number is (423) 698-3309.
What is Karen Caldwell's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is Karen Caldwell enrolled in Medicare?
Yes. Karen Caldwell 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 Karen Caldwell's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Karen Caldwell reassigns Medicare benefits to 2 organizations: Memorial Health Partners Foundation, Inc (Chattanooga, TN) and American Anesthesiology Of Tennessee, P.C. (Knoxville, TN). 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 Karen Caldwell's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Karen Caldwell accept?
Health plans from Alliant Health Plans, Inc. list Karen Caldwell 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 Karen Caldwell affiliated with any hospitals?
According to CMS data, Karen Caldwell is affiliated with Memorial Healthcare System, Inc.
When was this NPI record last updated?
The NPPES record for Karen Caldwell was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.