CASSIE LEE BIVENS
NPI 1235852401
Nurse Anesthetist, Certified Registered in Knoxville, TN
About Cassie Lee Bivens NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CASSIE LEE BIVENS (NPI 1235852401) is an individual nurse anesthetist, certified registered in Knoxville, Tennessee, licensed in Tennessee (139540) and active in the NPI registry since September 2022. She is a graduate of Other (2022).
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
Cassie Lee Bivens 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 Reassignment
Medicare enrollment records show Cassie Bivens reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Knoxville, TN 37920
- Reassigned Medicare billing, Tennessee enrollment
- 208 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 37920 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.
KNOXVILLE, TN 37920
KNOXVILLE, TN 37920
KNOXVILLE, TN 37920
KNOXVILLE, TN 37920
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 Cassie Bivens's NPI number?
The NPI number for Cassie Bivens is 1235852401. It was assigned to this individual provider in the NPPES registry on September 22, 2022.
Where is Cassie Bivens located?
Cassie Bivens practices at 1924 Alcoa Hwy, Knoxville, TN 37920. The listed phone number is (865) 305-9000.
What is Cassie Bivens's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is Cassie Bivens enrolled in Medicare?
Yes. Cassie Bivens 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 organization bills Medicare for Cassie Bivens's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Cassie Bivens reassigns Medicare benefits to University Anesthesiologists, PLLC (Knoxville, TN). The 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 Cassie Bivens's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Cassie Bivens accept?
Health plans from Cigna Healthcare list Cassie Bivens 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.
When was this NPI record last updated?
The NPPES record for Cassie Bivens was last updated on September 22, 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.
# Cassie Lee Bivens · NPI 1235852401
Nurse Anesthetist, Certified Registered physician in Knoxville, Tennessee. Individual provider, active in the CMS NPPES registry since September 22, 2022.
## Identity
- **NPI:** 1235852401 (Entity type: Individual)
- **Enumerated:** September 22, 2022
- **Primary specialty:** Nurse Anesthetist, Certified Registered · taxonomy 367500000X
- **State license:** 139540 (Tennessee)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 1924 ALCOA HWY, Knoxville, TN 37920-1511
- **Phone:** (865) 305-9000
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** University Anesthesiologists, PLLC (NPI 1073619466, Knoxville, TN), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2022
## Record status
- **NPPES last updated:** September 22, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1235852401) · Data from the CMS NPPES public registry.