DALTON RIELLY GRAYSON APRN
NPI 1801788021
Nurse Practitioner - Family in Signal Mountain, TN
About Dalton Rielly Grayson Aprn NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DALTON RIELLY GRAYSON APRN (NPI 1801788021) is an individual family provider in Signal Mountain, Tennessee, licensed in Tennessee (39249) and active in the NPI registry since July 2025. He is enrolled in Medicare PECOS, is affiliated with Parkridge Medical Center, and is a graduate of Other (2025).
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
Dalton Rielly Grayson Aprn 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 Dalton Grayson reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Nashville, TN 37203
- Reassigned Medicare billing, Tennessee enrollment
- 420 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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Parkridge Medical Center
Acute Care Hospitals · Chattanooga, TNPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 37377 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 Dalton Grayson's NPI number?
The NPI number for Dalton Grayson is 1801788021. It was assigned to this individual provider in the NPPES registry on July 21, 2025.
Where is Dalton Grayson located?
Dalton Grayson practices at 1185 Hall Rd, Signal Mountain, TN 37377. The listed phone number is (423) 637-6709.
What is Dalton Grayson's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Dalton Grayson enrolled in Medicare?
Yes. Dalton Grayson 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 Dalton Grayson's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Dalton Grayson reassigns Medicare benefits to Hospital Medicine Services Of Tn, LLC (Nashville, 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 Dalton Grayson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Dalton Grayson accept?
Health plans from Oscar Insurance Company list Dalton 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.
Is Dalton Grayson affiliated with any hospitals?
According to CMS data, Dalton Grayson is affiliated with Parkridge Medical Center.
When was this NPI record last updated?
The NPPES record for Dalton Grayson was last updated on August 3, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.
# Dalton Rielly Grayson, APRN · NPI 1801788021
Family physician in Signal Mountain, Tennessee. Individual provider, active in the CMS NPPES registry since July 21, 2025.
## Identity
- **NPI:** 1801788021 (Entity type: Individual)
- **Enumerated:** July 21, 2025
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** 39249 (Tennessee)
- **Sole proprietor:** No
## Practice location
- **Address:** 1185 HALL RD, Signal Mountain, TN 37377-7653
- **Phone:** (423) 637-6709
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Hospital Medicine Services Of Tn, LLC (NPI 1982301065, Nashville, 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:** August 3, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1801788021) · Data from the CMS NPPES public registry.