Stephen C. Riggs, M.D.
NPI 1871520080ActiveIndividual· Internal Medicine· Waterloo, IA
Internal Medicine (M.D.) in Waterloo, Iowa, trained at University of Iowa, Rj & L Carver College of Medicine (class of 1987). Their prescriptions cost Medicare Part D more than their services did: $690,239 for 5,511 claims, against $55,754 paid for services in 2024. Abbott Laboratories was the largest of 6 companies reporting payments in 2025, $149.22 in all, mostly food and beverage.
Overview
| NPI | 1871520080 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 26, 2006 |
| Last updated in NPPES | Jul 16, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 28568 | IA |
| Pediatrics | 208000000X | 28568 | IA |
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 - Pediatric Medicine (IA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 392 |
|---|---|
| Services billed | 1,095 across 19 procedure codes |
| Paid by Medicare | $55,754 |
Part D prescriptions in 2024
| Prescriptions (claims) | 5,511 · 10,813 30-day fills |
|---|---|
| Patients | 548 |
| Total drug cost | $690,239 |
| Generic share | 82% of claims |
Education and affiliations
| Medical school | University of Iowa, Rj & L Carver College of Medicine |
|---|---|
| Graduation year | 1987 |
| Medicare specialty | Pediatric Medicine |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Covenant Medical Center IncWaterloo, IA · 235 clinicians
Hospital affiliations
- Allen HospitalWaterloo, IA
- Mercyone Waterloo Medical CenterWaterloo, IA
- Sartori Memorial Hospital, IncCedar Falls, IA
Industry payments (Open Payments)
- 2025$149.22 · 8 payments from 6 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbott Laboratories | $43.46 | 2 |
| Lilly USA, LLC | $32.47 | 2 |
| Ascensia Diabetes Care US Inc. | $21.72 | 1 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $20.96 | 1 |
| Novo Nordisk Inc | $16.91 | 1 |
What the 2025 payments were for
- Food and Beverage$149.22 · 8 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 41 internal medicine physicians in Waterloo · All internal medicine physicians in Iowa