Quick answers
- Which hospitals does Stefan J. Grenvik work at?
- Medicare's official clinician data lists Stefan J. Grenvik at 1 hospital: Ochsner Lafayette General Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Stefan J. Grenvik see patients?
- Medicare's clinician data lists 1 practice location in Lafayette, LA. Call before your visit to confirm the address.
- What is Stefan J. Grenvik's specialty?
- Medicare lists Anesthesiology as the primary specialty.
- Does Stefan J. Grenvik accept Medicare assignment?
- Yes. Medicare's clinician data says Stefan J. Grenvik 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 Stefan J. Grenvik?
- (337) 289-7991, as listed in official Medicare / NPI Registry data.
- What is Stefan J. Grenvik's NPI number?
- 1770513913. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Stefan J. Grenvik works
Medicare's Facility Affiliation Data lists Stefan J. Grenvik at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Ochsner Lafayette General Medical CenterLafayette, LA · Acute Care Hospital · CCN 190002
Practice locations
Addresses where Stefan J. Grenvik is enrolled with Medicare (CMS data updated 2026-10-02).
- 1214 Coolidge BlvdLafayette, LA 70503 (337) 289‑7991
Group practices
Medicare enrollment lists Stefan J. Grenvik as a member of this group (CMS data updated 2026-10-02).
- Lafayette Health Ventures Inc309 clinicians in the group
Specialties
- Anesthesiologyprimary
Other anesthesiologists in Lafayette
Clinicians with the same Medicare primary specialty in Lafayette, LA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Pittsburgh School Of Medicine |
| Graduation year | 1989 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1770513913 |
| 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