LARISSA S KOLL CRNA
NPI 1275865271
Nurse Anesthetist, Certified Registered in Bossier City, LA
About Larissa S Koll Crna NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
LARISSA S KOLL CRNA (NPI 1275865271) is an individual nurse anesthetist, certified registered in Bossier City, Louisiana, licensed in Louisiana (AP06033) and active in the NPI registry since February 2010. She is enrolled in Medicare PECOS, is affiliated with Ochsner Lsu Health Shreveport-st Mary Medical Cent, and maintains a secondary practice location in Shreveport.
NPPES Registry Identity
Specialties & Licenses
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
Larissa S Koll 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
8Medicare enrollment records show Larissa Koll reassigns Medicare billing to 8 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Shreveport, LA 71103
- Reassigned Medicare billing, Louisiana enrollment
- 174 clinicians in this Medicare group
Shreveport, LA 71103
- Reassigned Medicare billing, Louisiana enrollment
- 146 clinicians in this Medicare group
Shreveport, LA 71105
- Reassigned Medicare billing, Louisiana enrollment
- 73 clinicians in this Medicare group
Natchitoches, LA 71457
- Reassigned Medicare billing, Louisiana enrollment
- 27 clinicians in this Medicare group
Nashville, TN 37203
- Reassigned Medicare billing, Tennessee enrollment
- Medicare enrollment name: Anesthesia Medical Group, P.C.
- 757 clinicians in this Medicare group
Montgomery, OH 45242
- Reassigned Medicare billing, Kentucky enrollment
- 211 clinicians in this Medicare group
Greenwood Village, CO 80111
- Reassigned Medicare billing, Colorado enrollment
- 971 clinicians in this Medicare group
Miles City, MT 59301
- Reassigned Medicare billing, Montana enrollment
- 1,264 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.
Ochsner Lsu Health Shreveport-St Mary Medical Cent
Acute Care Hospitals · Shreveport, LABillings Clinic
Acute Care Hospitals · Billings, MTPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 71111 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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.
BOSSIER CITY, LA 71111
BOSSIER CITY, LA 71111
BOSSIER CITY, LA 71111
BOSSIER CITY, LA 71111
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 Larissa Koll's NPI number?
The NPI number for Larissa Koll is 1275865271. It was assigned to this individual provider in the NPPES registry on February 2, 2010.
Where is Larissa Koll located?
Larissa Koll practices at 2400 Hospital Dr, Bossier City, LA 71111. The listed phone number is (318) 212-7000.
What is Larissa Koll's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is Larissa Koll enrolled in Medicare?
Yes. Larissa Koll 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 Larissa Koll's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Larissa Koll reassigns Medicare benefits to 8 organizations: University Health Shreveport LLC (Shreveport, LA), Willis Knighton Medical Center Inc. Crna Group (Shreveport, LA), Christus Health Northern Louisiana (Shreveport, LA), Natchitoches Anesthesia Associates LLC (Natchitoches, LA), Anesthesia Medical Group, PC (Nashville, TN) and 3 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 Larissa Koll's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Larissa Koll accept?
Health plans from HMO Louisiana list Larissa Koll 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 Larissa Koll affiliated with any hospitals?
According to CMS data, Larissa Koll is affiliated with Ochsner Lsu Health Shreveport-St Mary Medical Cent and Billings Clinic.
When was this NPI record last updated?
The NPPES record for Larissa Koll was last updated on December 3, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 23 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.
# Larissa S Koll, CRNA · NPI 1275865271
Nurse Anesthetist, Certified Registered physician in Bossier City, Louisiana. Individual provider, active in the CMS NPPES registry since February 2, 2010.
## Identity
- **NPI:** 1275865271 (Entity type: Individual)
- **Enumerated:** February 2, 2010
- **Primary specialty:** Nurse Anesthetist, Certified Registered · taxonomy 367500000X
- **State license:** AP06033 (Louisiana)
- **Sole proprietor:** No
## Practice location
- **Address:** 2400 HOSPITAL DR, Bossier City, LA 71111-2385
- **Phone:** (318) 212-7000
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging
- **Bills Medicare through:** 8 organizations under Medicare reassignment (form CMS-855R): University Health Shreveport LLC (NPI 1619443611, Shreveport, LA); Willis Knighton Medical Center Inc. Crna Group (NPI 1174546097, Shreveport, LA); Christus Health Northern Louisiana (NPI 1255754966, Shreveport, LA); Natchitoches Anesthesia Associates LLC (NPI 1992827182, Natchitoches, LA); Anesthesia Medical Group, PC (NPI 1215932413, Nashville, TN); and 3 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2009
## Record status
- **NPPES last updated:** December 3, 2024
- **Other identifiers:** Medicaid 2100556 (LA)
---
Source: [NPI Profile](https://npiprofile.com/npi/1275865271) · Data from the CMS NPPES public registry.