MS. MARY CATHERINE GRAY
NPI 1023855863
Nurse Practitioner - Family in Gallatin, TN
About Ms. Mary Catherine Gray NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MS. MARY CATHERINE GRAY (NPI 1023855863) is an individual family provider in Gallatin, Tennessee, licensed in Tennessee (36748) and active in the NPI registry since July 2024. She is enrolled in Medicare PECOS, is affiliated with Sumner Regional Medical Center, and is a graduate of Other (2024).
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
Ms. Mary Catherine Gray 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
2Medicare enrollment records show Mary Gray reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Gallatin, TN 37066
- Reassigned Medicare billing, Tennessee enrollment
- 195 clinicians in this Medicare group
White House, TN 37188
- Reassigned Medicare billing, Tennessee enrollment
- 341 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 3
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.
Sumner Regional Medical Center
Acute Care Hospitals · Gallatin, TNMacon Community Hospital
Critical Access Hospitals · Lafayette, TNPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 37066 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 9
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
GALLATIN, TN 37066
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 Mary Gray's NPI number?
The NPI number for Mary Gray is 1023855863. It was assigned to this individual provider in the NPPES registry on July 10, 2024.
Where is Mary Gray located?
Mary Gray practices at 2011 Nashville Pike, Gallatin, TN 37066. The listed phone number is (615) 575-1130.
What is Mary Gray's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Mary Gray enrolled in Medicare?
Yes. Mary Gray 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 Mary Gray's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mary Gray reassigns Medicare benefits to 2 organizations: Anova Medical Associates, Plc (Gallatin, TN) and The Little Clinic Of Tennessee LLC (White House, TN). 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 Mary Gray's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Mary Gray 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 Mary Gray 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 Mary Gray affiliated with any hospitals?
According to CMS data, Mary Gray is affiliated with Sumner Regional Medical Center and Macon Community Hospital.
When was this NPI record last updated?
The NPPES record for Mary Gray was last updated on July 10, 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.
# Ms. Mary Catherine Gray · NPI 1023855863
Family physician in Gallatin, Tennessee. Individual provider, active in the CMS NPPES registry since July 10, 2024.
## Identity
- **NPI:** 1023855863 (Entity type: Individual)
- **Enumerated:** July 10, 2024
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** 36748 (Tennessee)
- **Sole proprietor:** No
## Practice location
- **Address:** 2011 NASHVILLE PIKE, Gallatin, TN 37066-3162
- **Phone:** (615) 575-1130
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Anova Medical Associates, Plc (NPI 1659849537, Gallatin, TN); The Little Clinic Of Tennessee LLC (NPI 1487848800, White House, TN) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2024
## Record status
- **NPPES last updated:** July 10, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1023855863) · Data from the CMS NPPES public registry.