Gregory S. Riggs, MD
NPI 1962667675ActiveIndividual· Internal Medicine· Lafayette, LA
Internal Medicine (MD) in Lafayette, Louisiana, trained at Louisiana State University School of Medicine in Shreveport (class of 2008). Their prescriptions cost Medicare Part D more than their services did: $1,017,793 for 10,389 claims, against $300,226 paid for services in 2024. Pfizer Inc. was the largest of 16 companies reporting payments in 2025, $365.47 in all, mostly food and beverage.
Overview
| NPI | 1962667675 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Jul 22, 2008 |
| Last updated in NPPES | Jun 25, 2024 |
| Certified by provider | Jun 25, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 204671 | 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 - Internal Medicine (LA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 642 |
|---|---|
| Services billed | 5,060 across 71 procedure codes |
| Paid by Medicare | $300,226 |
Part D prescriptions in 2024
| Prescriptions (claims) | 10,389 · 23,331 30-day fills |
|---|---|
| Patients | 681 |
| Total drug cost | $1,017,793 |
| Generic share | 86% of claims |
Education and affiliations
| Medical school | Louisiana State University School of Medicine in Shreveport |
|---|---|
| Graduation year | 2008 |
| Medicare specialty | Internal Medicine |
Medical group
- Lafayette Internal Medicine Clinic LLCLafayette, LA · 11 clinicians
Hospital affiliations
- Abbeville General HospitalAbbeville, LA
- Iberia Medical CenterNew Iberia, LA
- Ochsner Lafayette General Medical CenterLafayette, LA
- Ochsner St Martin HospitalBreaux Bridge, LA
- Our Lady of Lourdes Regional Medical Center, IncLafayette, LA
Other facilities
- Acadian Homecare, LLCHome health agency · Lafayette, LA
- Nursing SpecialtiesHome health agency · Lafayette, LA
- Hospice of Acadiana IncHospice · Lafayette, LA
- Camelot Rehabilitation at Magnolia ParkNursing home · Lafayette, LA
Industry payments (Open Payments)
- 2025$365.47 · 25 payments from 16 companies
- 2024$529.86 · 31 payments from 17 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Pfizer Inc. | $78.00 | 4 |
| Novo Nordisk Inc | $35.97 | 2 |
| Astrazeneca Pharmaceuticals LP | $30.26 | 2 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $20.45 | 1 |
| Exact Sciences Corporation | $19.61 | 1 |
What the 2025 payments were for
- Food and Beverage$365.47 · 25 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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