Gregory Paul Larsen, M.D.
NPI 1548497860ActiveIndividual· Urology· Marrero, LA
Urology (M.D.) in Marrero, Louisiana, trained at University of North Carolina at Chapel Hill School of Medicine (class of 2009). Their prescriptions cost Medicare Part D more than their services did: $186,054 for 1,153 claims, against $36,287 paid for services in 2024. Telix Pharmaceuticals was the largest of 22 companies reporting payments in 2025, $4,392 in all, mostly travel and lodging.
Overview
| NPI | 1548497860 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 12, 2009 |
| Last updated in NPPES | Nov 21, 2014 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Urology Primary | 208800000X | MD.206990 | LA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Urology (IA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 181 |
|---|---|
| Services billed | 7,387 across 39 procedure codes |
| Paid by Medicare | $36,287 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,153 · 2,234 30-day fills |
|---|---|
| Patients | 291 |
| Total drug cost | $186,054 |
| Generic share | 79% of claims |
Education and affiliations
| Medical school | University of North Carolina at Chapel Hill School of Medicine |
|---|---|
| Graduation year | 2009 |
| Medicare specialty | Urology |
Medical groups
- Broadlawns Medical CenterDes Moines, IA · 306 clinicians
- Grinnell Regional Medical CenterGrinnell, IA · 105 clinicians
- Lucas County Health CenterChariton, IA · 34 clinicians
- Urology Center of Iowa PLLCAnkeny, IA · 31 clinicians
Hospital affiliations
- Broadlawns Medical CenterDes Moines, IA
- Lucas County Health CenterChariton, IA
- Mercyone Des Moines Medical CenterDes Moines, IA
- Pella Regional Health CenterPella, IA
- Unitypoint Health - Des Moines Iowa Methodist MediDes Moines, IA
Industry payments (Open Payments)
- 2025$4,392 · 49 payments from 22 companies
- 2024$640.37 · 11 payments from 10 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Telix Pharmaceuticals | $1,992 | 6 |
| Bayer Healthcare Pharmaceuticals Inc. | $924.03 | 4 |
| Mission Medical Distribution, LLC | $389.51 | 1 |
| Procept Biorobotics Corporation | $186.06 | 2 |
| Ferring Pharmaceuticals Inc. | $184.84 | 2 |
What the 2025 payments were for
- Travel and Lodging$1,890 · 3 payments
- Food and Beverage$1,562 · 44 payments
- Consulting Fee$872.00 · 1 payment
- Education$68.00 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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