KATHLEEN MARIE CALLAHAN CRNA
NPI 1528172020
Nurse Anesthetist, Certified Registered in Greenville, SC
About Kathleen Marie Callahan Crna NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KATHLEEN MARIE CALLAHAN CRNA (NPI 1528172020) is an individual nurse anesthetist, certified registered in Greenville, South Carolina, licensed in South Carolina (26030) and active in the NPI registry since August 2006. She is affiliated with Carolinas Medical Center/behav Health, maintains a secondary practice location in Asheville, and is a graduate of Other (2001).
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
Other Identifiers 1
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
Kathleen Marie Callahan 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
7Medicare enrollment records show Kathleen Callahan reassigns Medicare billing to 7 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Greenville, SC 29615
- Reassigned Medicare billing, South Carolina enrollment
- 814 clinicians in this Medicare group
Greer, SC 29651
- Reassigned Medicare billing, South Carolina enrollment
- 179 clinicians in this Medicare group
Charlotte, NC 28208
- Reassigned Medicare billing, North Carolina enrollment
- Medicare enrollment name: Providence Anesthesiology Associates PA
- 483 clinicians in this Medicare group
Hayesville, NC 28904
- Reassigned Medicare billing, North Carolina enrollment
- 151 clinicians in this Medicare group
Charlotte, NC 28262
- Reassigned Medicare billing, North Carolina enrollment
- 1,212 clinicians in this Medicare group
Leesburg, VA 20176
- Reassigned Medicare billing, Virginia and District of Columbia enrollments
- Also billed through NPI 1417994872 (District of Columbia)
- 1,217 clinicians in this Medicare group
Richardson, TX 75082
- Reassigned Medicare billing, North Carolina enrollment
- 493 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.
Carolinas Medical Center/Behav Health
Acute Care Hospitals · Charlotte, NCSpartanburg Medical Center
Acute Care Hospitals · Spartanburg, SCPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 29615 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.
GREENVILLE, SC 29615
GREENVILLE, SC 29615
GREENVILLE, SC 29615
GREENVILLE, SC 29615
GREENVILLE, SC 29615
GREENVILLE, SC 29615
GREENVILLE, SC 29615
GREENVILLE, SC 29615
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 Kathleen Callahan's NPI number?
The NPI number for Kathleen Callahan is 1528172020. It was assigned to this individual provider in the NPPES registry on August 19, 2006.
Where is Kathleen Callahan located?
Kathleen Callahan practices at 7 Independence Pt Ste 300, Greenville, SC 29615. The listed phone number is (864) 522-3700.
What is Kathleen Callahan's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is Kathleen Callahan enrolled in Medicare?
Yes. Kathleen Callahan 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 Kathleen Callahan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Kathleen Callahan reassigns Medicare benefits to 7 organizations: Spartanburg Medical Center (Greenville, SC), Pelham Medical Center (Greer, SC), Providence Anesthesiology Associates, P.A. (Charlotte, NC), Murphy Medical Center, Inc. (Hayesville, NC), Chs Anesthesia Services Group Inc (Charlotte, NC) and 2 more organizations, 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 Kathleen Callahan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Kathleen Callahan accept?
Health plans from Ambetter Health, Ambetter from Absolute Total Care, Ambetter of North Carolina, CareSource and Cigna Healthcare and 1 other insurer list Kathleen Callahan 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 Kathleen Callahan affiliated with any hospitals?
According to CMS data, Kathleen Callahan is affiliated with Carolinas Medical Center/Behav Health and Spartanburg Medical Center.
When was this NPI record last updated?
The NPPES record for Kathleen Callahan was last updated on April 28, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.