MRS. MARTINA DIANNA GILLIAM FNP-C
NPI 1497560718
Nurse Practitioner - Family in Tupelo, MS
About Mrs. Martina Dianna Gilliam Fnp-c NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MRS. MARTINA DIANNA GILLIAM FNP-C (NPI 1497560718) is an individual family provider in Tupelo, Mississippi, licensed in Mississippi (F02250347) and active in the NPI registry since February 2025. She is enrolled in Medicare PECOS, is affiliated with North Mississippi 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
Mrs. Martina Dianna Gilliam Fnp-c 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 Martina Gilliam reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Tupelo, MS 38801
- Reassigned Medicare billing, Mississippi enrollment
- 581 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 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
North Mississippi Medical Center
Acute Care Hospitals · Tupelo, MSWebster General Hospital/ Swing Bed
Acute Care Hospitals · Eupora, MSPontotoc Health Service Inc Cah
Critical Access Hospitals · Pontotoc, MSPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 38801 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
TUPELO, MS 38801
TUPELO, MS 38801
TUPELO, MS 38801
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 Martina Gilliam's NPI number?
The NPI number for Martina Gilliam is 1497560718. It was assigned to this individual provider in the NPPES registry on February 12, 2025.
Where is Martina Gilliam located?
Martina Gilliam practices at 4381 S Eason Blvd, Tupelo, MS 38801. The listed phone number is (662) 377-5199.
What is Martina Gilliam's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Martina Gilliam enrolled in Medicare?
Yes. Martina Gilliam 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 Martina Gilliam's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Martina Gilliam reassigns Medicare benefits to North Mississippi Medical Center Inc. (Tupelo, MS). 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 Martina Gilliam's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Martina Gilliam accept?
Health plans from Ambetter Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter of Alabama and Ambetter of Tennessee and 3 other insurers list Martina Gilliam 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 Martina Gilliam affiliated with any hospitals?
According to CMS data, Martina Gilliam is affiliated with North Mississippi Medical Center, Webster General Hospital/ Swing Bed and Pontotoc Health Service Inc Cah.
When was this NPI record last updated?
The NPPES record for Martina Gilliam was last updated on March 24, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.