Quick answers
- Which hospitals does John Renz work at?
- Medicare's official clinician data lists John Renz at 5 hospitals: Ochsner Laird Hospital, Ochsner Medical Center Acute, Ochsner Medical Center-Kenner, Ochsner Rush Hospital and Thomas Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does John Renz see patients?
- Medicare's clinician data lists 5 practice locations, including Covington, LA, New Orleans, LA and Mobile, AL. Call before your visit to confirm the address.
- What is John Renz's specialty?
- Medicare lists Radiation Oncology as the primary specialty.
- Does John Renz accept Medicare assignment?
- Yes. Medicare's clinician data says John Renz 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 Renz?
- (985) 875-2828, as listed in official Medicare / NPI Registry data.
- What is John Renz's NPI number?
- 1104807825. 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 Renz works
Medicare's Facility Affiliation Data lists John Renz at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Ochsner Laird HospitalUnion, MS · Critical Access Hospital · CCN 251322
- Ochsner Medical Center AcuteNew Orleans, LA · Acute Care Hospital · CCN 190036
- Ochsner Medical Center-KennerKenner, LA · Acute Care Hospital · CCN 190274
- Ochsner Rush HospitalMeridian, MS · Acute Care Hospital · CCN 250069
- Thomas HospitalFairhope, AL · Acute Care Hospital · CCN 010100
Practice locations
Addresses where John Renz is enrolled with Medicare (CMS data updated 2026-10-02).
- 1000 Ochsner BlvdCovington, LA 70433 (985) 875‑2828
- 1514 Jefferson HwyNew Orleans, LA 70121 (504) 842‑3000
- 5 Mobile Infirmary CirMobile, AL 36607 (251) 460‑0326
- 750 Morphy AveFairhope, AL 36532 (251) 460‑0326
- 95 Shell RdSaraland, AL 36571 (251) 460‑0326
Group practices
Medicare enrollment lists John Renz as a member of these groups (CMS data updated 2026-10-02).
- Ochsner Clinic LLC2,864 clinicians in the group
- Alabama Coastal Radiology PC24 clinicians in the group
Specialties
- Radiation Oncologyprimary
Other radiation oncologists in Covington
Clinicians with the same Medicare primary specialty in Covington, LA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Ohio State University College Of Medicine |
| Graduation year | 1987 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1104807825 |
| 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