MRS. CASSIOPEIA M CALLENS FNP
NPI 1548046998
Nurse Practitioner - Family in Knoxville, TN
About Mrs. Cassiopeia M Callens Fnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MRS. CASSIOPEIA M CALLENS FNP (NPI 1548046998) is an individual family provider in Knoxville, Tennessee, licensed in Kentucky (4009267) and active in the NPI registry since September 2023. She is enrolled in Medicare PECOS, is affiliated with Baptist Health Hardin, and is a graduate of Other (2021).
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
Mrs. Cassiopeia M Callens Fnp 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 Cassiopeia Callens reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Williamsburg, KY 40769
- Reassigned Medicare billing, Kentucky enrollment
- 1,441 clinicians in this Medicare group
Dallas, TX 75244
- Reassigned Medicare billing, Kentucky enrollment
- 390 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 6
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.
Baptist Health Hardin
Acute Care Hospitals · Elizabethtown, KYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 37909 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 8
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
KNOXVILLE, TN 37909
KNOXVILLE, TN 37909
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 Cassiopeia Callens's NPI number?
The NPI number for Cassiopeia Callens is 1548046998. It was assigned to this individual provider in the NPPES registry on September 1, 2023.
Where is Cassiopeia Callens located?
Cassiopeia Callens practices at 3904 Lonas Dr, Knoxville, TN 37909. The listed phone number is (270) 219-9065.
What is Cassiopeia Callens's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Cassiopeia Callens enrolled in Medicare?
Yes. Cassiopeia Callens 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 Cassiopeia Callens's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Cassiopeia Callens reassigns Medicare benefits to 2 organizations: Baptist Health Medical Group Inc (Williamsburg, KY) and Signify Health, LLC (Dallas, TX). 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 Cassiopeia Callens's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Cassiopeia Callens accept?
Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter of Tennessee and Anthem Blue Cross and Blue Shield list Cassiopeia Callens 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 Cassiopeia Callens affiliated with any hospitals?
According to CMS data, Cassiopeia Callens is affiliated with Baptist Health Hardin.
When was this NPI record last updated?
The NPPES record for Cassiopeia Callens was last updated on April 23, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.