Nicole Davis Riordan, M.D.
NPI 1407051634ActiveIndividual· Emergency Medicine· South Bend, IN
Emergency Medicine (M.D.) in South Bend, Indiana, trained at Indiana University School of Medicine (class of 2007). 200 Medicare patients in 2024, $25,460 paid; nearly all of their 137 Part D prescriptions were generic (97%). Merck Sharp & Dohme LLC reported $23.49 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1407051634 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 18, 2007 |
| Last updated in NPPES | Jun 27, 2016 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Emergency Medicine Primary | 207P00000X | 01065523A | IN |
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 - Emergency Medicine (IN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 200 |
|---|---|
| Services billed | 326 across 17 procedure codes |
| Paid by Medicare | $25,460 |
Part D prescriptions in 2024
| Prescriptions (claims) | 137 · 137 30-day fills |
|---|---|
| Patients | 79 |
| Total drug cost | $1,290 |
| Generic share | 97% of claims |
Education and affiliations
| Medical school | Indiana University School of Medicine |
|---|---|
| Graduation year | 2007 |
| Medicare specialty | Emergency Medicine |
Medical group
- South Bend Emergency Physicians IncBremen, IN · 53 clinicians
Hospital affiliations
- Community Hospital of Bremen IncBremen, IN
- Memorial Hospital of South BendSouth Bend, IN
Industry payments (Open Payments)
- 2025$23.49 · 1 payment from 1 company
- 2024$23.63 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Merck Sharp & Dohme LLC | $23.49 | 1 |
What the 2025 payments were for
- Food and Beverage$23.49 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 27 emergency medicine physicians in South Bend · All emergency medicine physicians in Indiana