DR. JAMES BREVARD HAYNES MD
NPI 1104810274
Internal Medicine - Sleep Medicine in Nashville, TN
About Dr. James Brevard Haynes Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JAMES BREVARD HAYNES MD (NPI 1104810274) is an individual sleep medicine provider in Nashville, Tennessee, licensed in Tennessee (MD9739) and active in the NPI registry since September 2005. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Other Identifiers 4
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)
Dr. James Brevard Haynes Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show James Haynes 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
- 1,304 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 7
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 37203 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 19
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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.
NASHVILLE, TN 37203
NASHVILLE, TN 37203
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 James Haynes's NPI number?
The NPI number for James Haynes is 1104810274. It was assigned to this individual provider in the NPPES registry on September 6, 2005. The provider is also known as Dr. J Brevard Haynes MD.
Where is James Haynes located?
James Haynes practices at 300 20th Ave N Suite G-8, Nashville, TN 37203. The listed phone number is (615) 284-7533.
What is James Haynes's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Sleep Medicine, with taxonomy code 207RS0012X.
Is James Haynes enrolled in Medicare?
Yes. James Haynes is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for James Haynes's services?
According to the CMS Revalidation Reassignment List (October 2026 release), James Haynes reassigns Medicare benefits to Saint Thomas Medical Partners (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 James Haynes's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does James Haynes accept?
Health plans from Cigna Healthcare and Oscar Insurance Company list James Haynes 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 James Haynes was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.