Gregory B. Auffenberg, M.D., M.S.
NPI 1396977328ActiveIndividual· Urology· Saint Louis, MO
Urology (M.D., M.S.) in Saint Louis, Missouri, trained at Northwestern University Feinberg Medical School (class of 2009). Their prescriptions cost Medicare Part D more than their services did: $1,848,368 for 985 claims, against $205,562 paid for services in 2024. Urogen Pharma, Inc. was the largest of 21 companies reporting payments in 2025, $907.12 in all, mostly food and beverage.
Overview
| NPI | 1396977328 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D., M.S. |
| Sole proprietor | Yes |
| NPI issued | Aug 8, 2009 |
| Last updated in NPPES | Sep 12, 2023 |
| Certified by provider | Sep 12, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Urology Primary | 208800000X | 2021039448 | MO |
| Urology | 208800000X | 036132771 | IL |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Urology (IL); Practitioner - Urology (MO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 391 |
|---|---|
| Services billed | 9,764 across 94 procedure codes |
| Paid by Medicare | $205,562 |
Part D prescriptions in 2024
| Prescriptions (claims) | 985 · 1,894 30-day fills |
|---|---|
| Patients | 222 |
| Total drug cost | $1,848,368 |
| Generic share | 81% of claims |
Education and affiliations
| Medical school | Northwestern University Feinberg Medical School |
|---|---|
| Graduation year | 2009 |
| Medicare specialty | Urology |
| Telehealth | Offers telehealth |
Medical group
- Urology of St Louis IncSaint Peters, MO · 94 clinicians
Hospital affiliations
- Alton Memorial HospitalAlton, IL
- Barnes Jewish HospitalSaint Louis, MO
- Hshs St Elizabeth's HospitalO Fallon, IL
- Missouri Baptist Medical CenterSaint Louis, MO
- St Lukes HospitalChesterfield, MO
Industry payments (Open Payments)
- 2025$907.12 · 45 payments from 21 companies
- 2024$1,078 · 42 payments from 15 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Urogen Pharma, Inc. | $260.48 | 12 |
| Sumitomo Pharma America, Inc. | $114.66 | 6 |
| Merck Sharp & Dohme LLC | $57.45 | 3 |
| Ferring Pharmaceuticals Inc. | $54.62 | 2 |
| Progenics Pharmaceuticals, Inc. | $50.52 | 2 |
What the 2025 payments were for
- Food and Beverage$890.80 · 43 payments
- Education$16.32 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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