Denise L. Buck, M. D.
NPI 1083760599ActiveIndividual· Family Medicine· Saint Louis, MO
Family Medicine (M. D.) in Saint Louis, Missouri, trained at University of Missouri, Columbia School of Medicine (class of 1995). Their prescriptions cost Medicare Part D more than their services did: $564,802 for 6,725 claims, against $19,043 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 5 companies reporting payments in 2024, $298.81 in all, mostly food and beverage.
Overview
| NPI | 1083760599 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M. D. |
| Sole proprietor | No |
| NPI issued | Jan 26, 2007 |
| Last updated in NPPES | Oct 16, 2026 |
| Certified by provider | Oct 16, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | 108334 | MO |
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 (MO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 90 |
|---|---|
| Services billed | 256 across 14 procedure codes |
| Paid by Medicare | $19,043 |
Part D prescriptions in 2024
| Prescriptions (claims) | 6,725 · 13,872 30-day fills |
|---|---|
| Patients | 344 |
| Total drug cost | $564,802 |
| Generic share | 86% of claims |
Education and affiliations
| Medical school | University of Missouri, Columbia School of Medicine |
|---|---|
| Graduation year | 1995 |
| Medicare specialty | Internal Medicine |
Medical group
- Institute for Research and Education in Family MedicineSaint Louis, MO · 9 clinicians
Hospital affiliations
- Mercy Hospital SouthSaint Louis, MO
- Mercy Hospital St LouisSaint Louis, MO
Industry payments (Open Payments)
- 2024$298.81 · 18 payments from 5 companies
Top paying companies in 2024
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $133.69 | 9 |
| Glaxosmithkline, LLC. | $63.26 | 4 |
| Lilly USA, LLC | $51.15 | 3 |
| Corcept Therapeutics | $30.14 | 1 |
| Exact Sciences Corporation | $20.57 | 1 |
What the 2024 payments were for
- Food and Beverage$298.81 · 18 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 396 family medicine physicians in Saint Louis · All family medicine physicians in Missouri