MR. MARK ALLEN GRAVES FNP-BC
NPI 1881977684
Nurse Practitioner - Family in Lyles, TN
About Mr. Mark Allen Graves Fnp-bc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MR. MARK ALLEN GRAVES FNP-BC (NPI 1881977684) is an individual family provider in Lyles, Tennessee, licensed in Tennessee (16146) and active in the NPI registry since September 2011. He is enrolled in Medicare PECOS, is affiliated with Rainy Lake Medical Center, and is a graduate of Vanderbilt University School Of Medicine (2011).
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
Mr. Mark Allen Graves Fnp-bc 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
6Medicare enrollment records show Mark Graves reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Columbia, TN 38401
- Reassigned Medicare billing, Tennessee enrollment
- Medicare enrollment name: Maury Regional Medical Group, Inc
- 228 clinicians in this Medicare group
Mt Pleasant, TN 38474
- Reassigned Medicare billing, Tennessee enrollment
- 91 clinicians in this Medicare group
Waynesboro, TN 38485
- Reassigned Medicare billing, Tennessee enrollment
- 20 clinicians in this Medicare group
Lawrenceburg, TN 38464
- Reassigned Medicare billing, Tennessee enrollment
- Medicare enrollment name: Apogee Medical Group Tennessee PC
- 146 clinicians in this Medicare group
Winner, SD 57580
- Reassigned Medicare billing, South Dakota enrollment
- 41 clinicians in this Medicare group
International Falls, MN 56649
- Reassigned Medicare billing, Minnesota enrollment
- 39 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 9
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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Rainy Lake Medical Center
Critical Access Hospitals · International Falls, MNMaury Regional Hospital
Acute Care Hospitals · Columbia, TNPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 37098 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 7
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 9
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
LYLES, TN 37098
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 Mark Graves's NPI number?
The NPI number for Mark Graves is 1881977684. It was assigned to this individual provider in the NPPES registry on September 28, 2011.
Where is Mark Graves located?
Mark Graves practices at 7723 Clearview Church Ln, Lyles, TN 37098. The listed phone number is (931) 670-5520.
What is Mark Graves's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Mark Graves enrolled in Medicare?
Yes. Mark Graves 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 Mark Graves's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mark Graves reassigns Medicare benefits to 6 organizations: Family Health Group Inc (Columbia, TN), Amg-Crockett LLC (Mt Pleasant, TN), Southland Tn Emergency Medical Services LLC (Waynesboro, TN), Apogee Medical Group, Tennessee, P.C. (Lawrenceburg, TN), Winner Regional Healthcare Center (Winner, SD) and 1 more organization, listed in the Medicare section above. 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 Mark Graves's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Mark Graves 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 Mark Graves 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 Mark Graves affiliated with any hospitals?
According to CMS data, Mark Graves is affiliated with Rainy Lake Medical Center and Maury Regional Hospital.
When was this NPI record last updated?
The NPPES record for Mark Graves was last updated on September 28, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.