MRS. SAMANTHA GRAYSON APRN
NPI 1427911619
Nurse Practitioner - Psychiatric/Mental Health in Knoxville, TN
About Mrs. Samantha Grayson Aprn NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MRS. SAMANTHA GRAYSON APRN (NPI 1427911619) is an individual psychiatric/mental health provider in Knoxville, Tennessee, licensed in Tennessee (39630) and active in the NPI registry since December 2025. She is enrolled in Medicare PECOS and is a graduate of Other (2025).
NPPES Registry Identity
Specialties & Licenses
Other Names 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 (PECOS)
Mrs. Samantha Grayson Aprn is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Samantha Grayson 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
- 21 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 5
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 Samantha Grayson's NPI number?
The NPI number for Samantha Grayson is 1427911619. It was assigned to this individual provider in the NPPES registry on December 4, 2025. The provider is also known as Samantha Jo Frazier.
Where is Samantha Grayson located?
Samantha Grayson practices at 1930 Alcoa Hwy Ste 435, Knoxville, TN 37920. The listed phone number is (865) 263-2400.
What is Samantha Grayson's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.
Is Samantha Grayson enrolled in Medicare?
Yes. Samantha Grayson is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Samantha Grayson's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Samantha Grayson reassigns Medicare benefits to High Risk Obstetrical Consultants, 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 Samantha Grayson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Samantha Grayson accept?
Health plans from Ambetter Health, Ambetter from Arkansas Health & Wellness, Ambetter of Alabama, Ambetter of North Carolina and Ambetter of Tennessee and 2 other insurers list Samantha Grayson 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 Samantha Grayson was last updated on December 4, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.
# Mrs. Samantha Grayson, APRN · NPI 1427911619
Psychiatric/Mental Health physician in Knoxville, Tennessee. Individual provider, active in the CMS NPPES registry since December 4, 2025.
## Identity
- **NPI:** 1427911619 (Entity type: Individual)
- **Enumerated:** December 4, 2025
- **Primary specialty:** Nurse Practitioner - Psychiatric/Mental Health · taxonomy 363LP0808X
- **State license:** 39630 (Tennessee)
- **Sole proprietor:** No
## Practice location
- **Address:** 1930 ALCOA HWY STE 435, Knoxville, TN 37920-1520
- **Phone:** (865) 263-2400
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** High Risk Obstetrical Consultants, PLLC (NPI 1770724676, Knoxville, TN), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2025
## Record status
- **NPPES last updated:** December 4, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1427911619) · Data from the CMS NPPES public registry.