Quick answers
- Which hospitals does Gregory Allen work at?
- Medicare's official clinician data lists Gregory Allen at 2 hospitals: Cypress Pointe Surgical Hospital and North Oaks Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Gregory Allen see patients?
- Medicare's clinician data lists 2 practice locations, including Ponchatoula, LA. Call before your visit to confirm the address.
- What is Gregory Allen's specialty?
- Medicare lists Family Practice as the primary specialty.
- Does Gregory Allen accept Medicare assignment?
- Yes. Medicare's clinician data says Gregory Allen 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 Gregory Allen's NPI number?
- 1952398356. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Gregory Allen works
Medicare's Facility Affiliation Data lists Gregory Allen at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Cypress Pointe Surgical HospitalHammond, LA · Acute Care Hospital · CCN 190303
- North Oaks Medical CenterHammond, LA · Acute Care Hospital · CCN 190015
Practice locations
Addresses where Gregory Allen is enrolled with Medicare (CMS data updated 2026-10-02).
- 105 E Oak StPonchatoula, LA 70454
- P O Box, Suite 129Ponchatoula, LA 70454
Specialties
- Family Practiceprimary
Other family doctors in Louisiana
Clinicians with the same Medicare primary specialty in Louisiana — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Louisiana State University School Of Medicine In New Orleans |
| Graduation year | 1985 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1952398356 |
| 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