Quick answers
- Which hospitals does John Henegan work at?
- Medicare's official clinician data lists John Henegan at 5 hospitals: Merit Health Madison, Mississippi Baptist Medical Center, Mississippi Methodist Rehab Ctr, University of Mississippi Med Center and University of Mississippi Medical Center- Grenada. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does John Henegan see patients?
- Medicare's clinician data lists 1 practice location in Jackson, MS. Call before your visit to confirm the address.
- What is John Henegan's specialty?
- Medicare lists Hematology/Oncology as the primary specialty.
- Does John Henegan accept Medicare assignment?
- Yes. Medicare's clinician data says John Henegan 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.
- Does John Henegan offer telehealth?
- Medicare's clinician data says John Henegan offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for John Henegan?
- (601) 898-4404, as listed in official Medicare / NPI Registry data.
- What is John Henegan's NPI number?
- 1114188471. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where John Henegan works
Medicare's Facility Affiliation Data lists John Henegan at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Merit Health MadisonCanton, MS · Acute Care Hospital · CCN 250038
- Mississippi Baptist Medical CenterJackson, MS · Acute Care Hospital · CCN 250102
- Mississippi Methodist Rehab CtrJackson, MS · Acute Care Hospital · CCN 250152
- University of Mississippi Med CenterJackson, MS · Acute Care Hospital · CCN 250001
- University of Mississippi Medical Center- GrenadaGrenada, MS · Acute Care Hospital · CCN 250168
Practice locations
Addresses where John Henegan is enrolled with Medicare (CMS data updated 2026-10-02).
- 2500 N State StJackson, MS 39216 (601) 898‑4404
Group practices
Medicare enrollment lists John Henegan as a member of this group (CMS data updated 2026-10-02).
- State of Mississippi - University of Mississippi Medical Center965 clinicians in the group
Specialties
- Hematology/Oncologyprimary
Other hematologist-oncologists 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 | 2008 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1114188471 |
| 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