Quick answers
- Does Melissa A. McNaull accept Medicare assignment?
- Yes. Medicare's clinician data says Melissa A. McNaull accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- What is Melissa A. McNaull's NPI number?
- 1558458695. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Melissa A. McNaull works
Medicare's Facility Affiliation Data lists Melissa A. McNaull at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- University of Mississippi Medical CenterJackson, MS · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 250001
Practice locations
Addresses where Melissa A. McNaull is enrolled with Medicare (CMS data updated October 2, 2026).
- 2500 N State StJackson, MS 39216
Group practices
Medicare enrollment lists Melissa A. McNaull as a member of this group (CMS data updated October 2, 2026).
- State of Mississippi - University of Mississippi Medical Center965 clinicians in the group
Specialties
- Hematology/Oncologyprimary
- Pediatric Medicinealso
Other hematologist-oncologists in Jackson
Clinicians with the same Medicare primary specialty in Jackson, MS — not a recommendation.
Other clinicians in State of Mississippi - University of Mississippi Medical Center
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Eastern Virginia Medical School |
| Graduation year | 1999 (27 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1558458695 |
| 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 October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- 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