KAREN LEAH MCCALLUM CRNA
NPI 1083006613
Nurse Anesthetist, Certified Registered in Austin, TX
About Karen Leah Mccallum Crna NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KAREN LEAH MCCALLUM CRNA (NPI 1083006613) is an individual nurse anesthetist, certified registered in Austin, Texas, licensed in Texas (756254) and active in the NPI registry since February 2015. She is enrolled in Medicare PECOS, is affiliated with St David's Medical Center, and is a graduate of Other (2015).
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
Karen Leah Mccallum 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 Mccallum reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Austin, TX 78759
- Reassigned Medicare billing, Texas enrollment
- 840 clinicians in this Medicare group
Edwards, CO 81632
- Reassigned Medicare billing, Colorado enrollment
- 128 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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
St David's Medical Center
Acute Care Hospitals · Austin, TXNorth Austin Medical Center
Acute Care Hospitals · Austin, TXPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 78759 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.
AUSTIN, TX 78759
AUSTIN, TX 78759
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 Mccallum's NPI number?
The NPI number for Karen Mccallum is 1083006613. It was assigned to this individual provider in the NPPES registry on February 18, 2015.
Where is Karen Mccallum located?
Karen Mccallum practices at 8140 N Mopac Expy Ste 3-210, Austin, TX 78759. The listed phone number is (512) 343-2292.
What is Karen Mccallum's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is Karen Mccallum enrolled in Medicare?
Yes. Karen Mccallum 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 Mccallum's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Karen Mccallum reassigns Medicare benefits to 2 organizations: Austin Anesthesiology Group, PLLC (Austin, TX) and Anesthesia Partners Of Colorado (Edwards, CO). 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 Mccallum's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Karen Mccallum accept?
Health plans from Blue Cross and Blue Shield of Texas and Sendero Health Plans, Local Nonprofit list Karen Mccallum 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 Mccallum affiliated with any hospitals?
According to CMS data, Karen Mccallum is affiliated with St David's Medical Center and North Austin Medical Center.
When was this NPI record last updated?
The NPPES record for Karen Mccallum was last updated on February 18, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.