James Joseph Dalla Riva, M.D.
NPI 1215040415ActiveIndividual· Obstetrics & Gynecology· Maryville, IL
Obstetrics & Gynecology (M.D.) in Maryville, Illinois, trained at Creighton University School of Medicine (class of 1994). Their prescriptions cost Medicare Part D more than their services did: $56,588 for 663 claims, against $14,696 paid for services in 2024. Millicent US Inc was the largest of 15 companies reporting payments in 2025, $893.93 in all, mostly food and beverage.
Overview
| NPI | 1215040415 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Aug 15, 2006 |
| Last updated in NPPES | May 10, 2024 |
| Certified by provider | May 10, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Obstetrics & Gynecology Primary | 207V00000X | — | 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 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 - Obstetrics/Gynecology (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 98 |
|---|---|
| Services billed | 384 across 28 procedure codes |
| Paid by Medicare | $14,696 |
Part D prescriptions in 2024
| Prescriptions (claims) | 663 · 1,456 30-day fills |
|---|---|
| Patients | 178 |
| Total drug cost | $56,588 |
| Generic share | 84% of claims |
Education and affiliations
| Medical school | Creighton University School of Medicine |
|---|---|
| Graduation year | 1994 |
| Medicare specialty | Obstetrics/Gynecology |
Hospital affiliations
- Anderson HospitalMaryville, IL
- Community Hospital of StauntonStaunton, IL
Industry payments (Open Payments)
- 2025$893.93 · 60 payments from 15 companies
- 2024$1,005 · 56 payments from 20 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Millicent US Inc | $207.60 | 17 |
| Mayne Pharma Commercial LLC | $138.93 | 13 |
| Novo Nordisk Inc | $91.46 | 5 |
| Lilly USA, LLC | $70.30 | 4 |
| Sumitomo Pharma America, Inc. | $66.42 | 4 |
What the 2025 payments were for
- Food and Beverage$893.93 · 60 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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