David Joseph St. Germain Jr., M.D.
NPI 1427114685ActiveIndividual· Radiology, Diagnostic Radiology· Metairie, LA
Radiology, Diagnostic Radiology (M.D.) in Metairie, Louisiana, trained at Louisiana State University School of Medicine in Shreveport (class of 2003). Medicare paid $49,356 for services to 1,305 patients in 2024. Supernus Pharmaceuticals, Inc. was the largest of 5 companies reporting payments in 2025, $139.58 in all, mostly food and beverage.
Overview
| NPI | 1427114685 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Dec 29, 2006 |
| Last updated in NPPES | Mar 24, 2017 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Radiology, Diagnostic Radiology Primary | 2085R0202X | MD.202740 | LA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Diagnostic Radiology (LA); Practitioner - Diagnostic Radiology (MS) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 1,305 |
|---|---|
| Services billed | 1,770 across 143 procedure codes |
| Paid by Medicare | $49,356 |
Education and affiliations
| Medical school | Louisiana State University School of Medicine in Shreveport |
|---|---|
| Graduation year | 2003 |
| Medicare specialty | Diagnostic Radiology |
Medical groups
- Ochsner Clinic LLCNew Orleans, LA · 2,864 clinicians
- Medical Foundation IncMeridian, MS · 212 clinicians
Hospital affiliations
- Ochsner Medical Center - Baton RougeBaton Rouge, LA
- Ochsner Medical Center AcuteNew Orleans, LA
- Ochsner Medical Center-KennerKenner, LA
- Ochsner Rush HospitalMeridian, MS
- St Bernard Parish HospitalChalmette, LA
Industry payments (Open Payments)
- 2025$139.58 · 6 payments from 5 companies
- 2024$268.41 · 17 payments from 6 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Supernus Pharmaceuticals, Inc. | $44.04 | 1 |
| Lilly USA, LLC | $33.97 | 2 |
| Novo Nordisk Inc | $24.51 | 1 |
| Phadia US Inc. | $19.64 | 1 |
| Dexcom, Inc. | $17.42 | 1 |
What the 2025 payments were for
- Food and Beverage$139.58 · 6 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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