John W. Finnie, MD
NPI 1023088564ActiveIndividual· Internal Medicine, Hematology & Oncology· Saint Louis, MO
Internal Medicine, Hematology & Oncology (MD) in Saint Louis, Missouri, trained at Saint Louis University School of Medicine (class of 1998). Their prescriptions cost Medicare Part D more than their services did: $12,144,398 for 3,964 claims, against $128,404 paid for services in 2024. Daiichi Sankyo Inc. was the largest of 31 companies reporting payments in 2025, $2,360 in all, mostly food and beverage.
Overview
| NPI | 1023088564 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jan 26, 2006 |
| Last updated in NPPES | Oct 8, 2014 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology & Oncology Primary | 207RH0003X | 115638 | MO |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Hematology/Oncology (MO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 603 |
|---|---|
| Services billed | 2,187 across 14 procedure codes |
| Paid by Medicare | $128,404 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,964 · 5,645 30-day fills |
|---|---|
| Patients | 512 |
| Total drug cost | $12,144,398 |
| Generic share | 68% of claims |
Education and affiliations
| Medical school | Saint Louis University School of Medicine |
|---|---|
| Graduation year | 1998 |
| Medicare specialty | Hematology/Oncology |
| Telehealth | Offers telehealth |
Medical group
- Mercy Clinic Oncology LLCSaint Louis, MO · 33 clinicians
Hospital affiliations
- Mercy Hospital JeffersonCrystal City, MO
- Mercy Hospital SouthSaint Louis, MO
- Mercy Hospital St LouisSaint Louis, MO
- Mercy Hospital WashingtonWashington, MO
- St Lukes HospitalChesterfield, MO
Industry payments (Open Payments)
- 2025$2,360 · 120 payments from 31 companies
- 2024$2,340 · 133 payments from 32 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Daiichi Sankyo Inc. | $337.51 | 17 |
| E.R. Squibb & Sons, L.L.C. | $257.93 | 17 |
| Emd Serono, Inc. | $210.95 | 16 |
| Regeneron Healthcare Solutions, Inc. | $176.04 | 3 |
| Novartis Pharmaceuticals Corporation | $140.79 | 6 |
What the 2025 payments were for
- Food and Beverage$2,261 · 119 payments
- Education$98.99 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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