Quick answers
- Which hospitals does Patrick Greiffenstein work at?
- Medicare's official clinician data lists Patrick Greiffenstein at 1 hospital: University Medical Center New Orleans. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Patrick Greiffenstein see patients?
- Medicare's clinician data lists 2 practice locations, including New Orleans, LA. Call before your visit to confirm the address.
- What is Patrick Greiffenstein's specialty?
- Medicare lists General Surgery as the primary specialty.
- Does Patrick Greiffenstein accept Medicare assignment?
- Yes. Medicare's clinician data says Patrick Greiffenstein 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 Patrick Greiffenstein?
- (504) 702-3000, as listed in official Medicare / NPI Registry data.
- What is Patrick Greiffenstein's NPI number?
- 1013108174. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Patrick Greiffenstein works
Medicare's Facility Affiliation Data lists Patrick Greiffenstein at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- University Medical Center New OrleansNew Orleans, LA · Acute Care Hospital · CCN 190005
Practice locations
Addresses where Patrick Greiffenstein is enrolled with Medicare (CMS data updated 2026-10-02).
- 2000 Canal StNew Orleans, LA 70112 (504) 702‑3000
- 2832 Burdette StNew Orleans, LA 70125 (504) 866‑2741
Group practices
Medicare enrollment lists Patrick Greiffenstein as a member of this group (CMS data updated 2026-10-02).
- Louisiana State University School of Medicine in New Orleans Faculty G447 clinicians in the group
Specialties
- General Surgeryprimary
Other general surgeons in New Orleans
Clinicians with the same Medicare primary specialty in New Orleans, LA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2003 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1013108174 |
| 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