Quick answers
- Which hospitals does Graham C. Calvert work at?
- Medicare's official clinician data lists Graham C. Calvert at 1 hospital: Merit Health River Oaks. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Graham C. Calvert see patients?
- Medicare's clinician data lists 3 practice locations, including Jackson, MS, Flowood, MS and Madison, MS. Call before your visit to confirm the address.
- What is Graham C. Calvert's specialty?
- Medicare lists Orthopedic Surgery as the primary specialty.
- Does Graham C. Calvert accept Medicare assignment?
- Yes. Medicare's clinician data says Graham C. Calvert accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Graham C. Calvert?
- (601) 354-4488, as listed in official Medicare / NPI Registry data.
- What is Graham C. Calvert's NPI number?
- 1861695264. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Graham C. Calvert works
Medicare's Facility Affiliation Data lists Graham C. Calvert at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Merit Health River OaksFlowood, MS · Acute Care Hospital · CCN 250138
Practice locations
Addresses where Graham C. Calvert is enrolled with Medicare (CMS data updated 2026-10-02).
- 1325 E Fortification StJackson, MS 39202 (601) 354‑4488
- 4506 Lakeland DrFlowood, MS 39232 (601) 354‑4488
- 501 Baptist Dr, Suite 120Madison, MS 39110 (601) 354‑4488
Group practices
Medicare enrollment lists Graham C. Calvert as a member of this group (CMS data updated 2026-10-02).
- Mississippi Sports Medicine and Orthopaedic Center72 clinicians in the group
Specialties
- Orthopedic Surgeryprimary
Other orthopedic surgeons in Jackson
Clinicians with the same Medicare primary specialty in Jackson, MS — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Mississippi School Of Medicine |
| Graduation year | 2007 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1861695264 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians