GRAHAM CARR CALVERT M.D.
NPI 1861695264
Orthopaedic Surgery - Orthopaedic Surgery of the Spine in Jackson, MS
About Graham Carr Calvert M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
GRAHAM CARR CALVERT M.D. (NPI 1861695264) is an individual orthopaedic surgery of the spine provider in Jackson, Mississippi, licensed in Mississippi (22486) and active in the NPI registry since June 2007. He is enrolled in Medicare PECOS, is affiliated with Merit Health River Oaks, and is a graduate of University Of Mississippi School Of Medicine (2007).
NPPES Registry Identity
Specialties & Licenses 2
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
Graham Carr Calvert M.d. 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 Graham Calvert reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Jackson, MS 39202
- Reassigned Medicare billing, Mississippi enrollment
- 107 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 20
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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Merit Health River Oaks
Acute Care Hospitals · Flowood, MSMedicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Referred Medical Equipment & Supplies CMS DME claims
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.
JACKSON, MS 39202
JACKSON, MS 39202
JACKSON, MS 39202
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 Graham Calvert's NPI number?
The NPI number for Graham Calvert is 1861695264. It was assigned to this individual provider in the NPPES registry on June 6, 2007.
Where is Graham Calvert located?
Graham Calvert practices at 1325 E Fortification St, Jackson, MS 39202. The listed phone number is (601) 354-4488.
What is Graham Calvert's specialty?
The primary specialty registered for this NPI is Orthopaedic Surgery, specializing in Orthopaedic Surgery of the Spine, with taxonomy code 207XS0117X.
Is Graham Calvert enrolled in Medicare?
Yes. Graham Calvert 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 Graham Calvert's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Graham Calvert reassigns Medicare benefits to Mississippi Sports Medicine & Orthopaedic Center (Jackson, 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 Graham Calvert's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Graham Calvert 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 Graham Calvert 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 Graham Calvert affiliated with any hospitals?
According to CMS data, Graham Calvert is affiliated with Merit Health River Oaks.
When was this NPI record last updated?
The NPPES record for Graham Calvert was last updated on June 10, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.