TRANQUILITY SLEEP SPECIALISTS PLC
NPI 1346543568
Psychiatry & Neurology - Sleep Medicine in Powell, TN
About Tranquility Sleep Specialists Plc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
TRANQUILITY SLEEP SPECIALISTS PLC (NPI 1346543568) is a healthcare organization registered as a sleep medicine in Powell, Tennessee and active in the NPI registry since December 2010. The organization maintains a secondary practice location in Knoxville and lists Dewey Y. Mcwhirter, Owner, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Group Practice 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Tranquility Sleep Specialists Plc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
9Medicare enrollment records show 9 clinicians reassign Medicare billing to Tranquility Sleep Specialists Plc, which bills Medicare for the services they deliver. Of these, 3 practice at this address and 7 within 10 miles. They are listed nearest first.
Clinicians, nearest first (9)
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
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 Tranquility Sleep Specialists Plc's NPI number?
The NPI number for Tranquility Sleep Specialists Plc is 1346543568. It was assigned to this organization in the NPPES registry on December 9, 2010.
Where is Tranquility Sleep Specialists Plc located?
Tranquility Sleep Specialists Plc is located at 7557 Dannaher Dr Ste 240, Powell, TN 37849. The listed phone number is (865) 859-7800.
What is Tranquility Sleep Specialists Plc's specialty?
The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Sleep Medicine, with taxonomy code 2084S0012X.
Is Tranquility Sleep Specialists Plc enrolled in Medicare?
Yes. Tranquility Sleep Specialists Plc is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Tranquility Sleep Specialists Plc?
According to the CMS Revalidation Reassignment List (October 2026 release), 9 clinicians in 2 Medicare specialties reassign their Medicare billing to Tranquility Sleep Specialists Plc. A 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 the clinician's services. The largest specialties are Nurse Practitioner (8) and Sleep Medicine (1). Of these, 3 practice at this address and 7 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
What insurance does Tranquility Sleep Specialists Plc accept?
Health plans from Ambetter Health, Ambetter from Arkansas Health & Wellness, Ambetter of Alabama, Ambetter of North Carolina and Ambetter of Tennessee list Tranquility Sleep Specialists Plc 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 Tranquility Sleep Specialists Plc was last updated on September 6, 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.
# Tranquility Sleep Specialists Plc · NPI 1346543568
Sleep Medicine organization in Powell, Tennessee. Organization record, active in the CMS NPPES registry since December 9, 2010.
## Identity
- **NPI:** 1346543568 (Entity type: Organization)
- **Enumerated:** December 9, 2010
- **Primary specialty:** Psychiatry & Neurology - Sleep Medicine · taxonomy 2084S0012X
- **Organization subpart:** No
- **Authorized official:** Dewey Mcwhirter, OWNER
## Practice location
- **Address:** 7557 DANNAHER DR STE 240, Powell, TN 37849-3563
- **Phone:** (865) 859-7800 · **Fax:** (865) 859-7809
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 9 clinicians in 2 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Nurse Practitioner (8), Sleep Medicine (1); 3 practice at this address and 7 within 10 miles · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** September 6, 2024
---
Source: [NPI Profile](https://npiprofile.com/npi/1346543568) · Data from the CMS NPPES public registry.