Quick answers
- Which hospitals does William E. Tiemann work at?
- Medicare's official clinician data lists William E. Tiemann at 5 hospitals: Ochsner St Anne General Hospital, Ochsner St Mary, Physicians Medical Center, Terrebonne General Medical Center - Parish and University Medical Center New Orleans. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does William E. Tiemann see patients?
- Medicare's clinician data lists 6 practice locations, including Morgan City, LA, New Orleans, LA and Raceland, LA. Call before your visit to confirm the address.
- What is William E. Tiemann's specialty?
- Medicare lists Diagnostic Radiology as the primary specialty.
- Does William E. Tiemann accept Medicare assignment?
- Yes. Medicare's clinician data says William E. Tiemann 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 William E. Tiemann?
- (985) 384-2200, as listed in official Medicare / NPI Registry data.
- What is William E. Tiemann's NPI number?
- 1831148923. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where William E. Tiemann works
Medicare's Facility Affiliation Data lists William E. Tiemann at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Ochsner St Anne General HospitalRaceland, LA · Critical Access Hospital · CCN 191324
- Ochsner St MaryMorgan City, LA · Acute Care Hospital · CCN 190014
- Physicians Medical CenterHouma, LA · Acute Care Hospital · CCN 190241
- Terrebonne General Medical Center - ParishHouma, LA · Acute Care Hospital · CCN 190008
- University Medical Center New OrleansNew Orleans, LA · Acute Care Hospital · CCN 190005
Practice locations
Addresses where William E. Tiemann is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 6; the Medicare profile lists all.
- 1125 Marguerite StMorgan City, LA 70380 (985) 384‑2200
- 2000 Canal StNew Orleans, LA 70112 (504) 702‑3000
- 2832 Burdette StNew Orleans, LA 70125 (504) 866‑2741
- 4608 Hwy 1Raceland, LA 70394 (985) 537‑6841
- 52579 Hwy 51 SIndependence, LA 70443 (985) 878‑1349
Group practices
Medicare enrollment lists William E. Tiemann as a member of these groups (CMS data updated 2026-10-02).
- Louisiana State University School of Medicine in New Orleans Faculty G447 clinicians in the group
- Lallie Kemp Medical Ctr39 clinicians in the group
- Houma Radiology Associates PC6 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
Other radiologists in Morgan City
Clinicians with the same Medicare primary specialty in Morgan City, LA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Louisiana State University School Of Medicine In New Orleans |
| Graduation year | 1998 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1831148923 |
| 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