Quick answers
- Where does John E. Marsh see patients?
- Medicare's clinician data lists 3 practice locations, including Hattiesburg, MS. Call before your visit to confirm the address.
- What is John E. Marsh's specialty?
- Medicare lists Nurse Practitioner as the primary specialty.
- Does John E. Marsh accept Medicare assignment?
- Yes. Medicare's clinician data says John E. Marsh 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 John E. Marsh?
- (601) 268-1734, as listed in official Medicare / NPI Registry data.
- What is John E. Marsh's NPI number?
- 1699064659. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where John E. Marsh is enrolled with Medicare (CMS data updated 2026-10-02).
- 415 S 28th AveHattiesburg, MS 39401
- 415 S 28th Ave 3rd Floor, Ambulatory Cardiovascular Center of MississHattiesburg, MS 39401 (601) 268‑1734
- 415 S 28th Ave FlHattiesburg, MS 39401 (601) 264‑6000
Group practices
Medicare enrollment lists John E. Marsh as a member of this group (CMS data updated 2026-10-02).
- Hattiesburg Clinic PA537 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Hattiesburg
Clinicians with the same Medicare primary specialty in Hattiesburg, MS — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2010 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1699064659 |
| 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
- 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