Rebecca Ellen Melvin, D.O.
NPI 1609079409ActiveIndividual· Internal Medicine· Saint Charles, MO
Internal Medicine (D.O.) with Tri-County Family Practice, LLC, practicing in Saint Charles, Missouri. Their prescriptions cost Medicare Part D more than their services did: $191,673 for 2,122 claims, against $6,575 paid for services in 2024. Lilly USA, LLC was the largest of 17 companies reporting payments in 2025, $529.32 in all, mostly food and beverage. Lists Ssm St Joseph Hospital West and 1 other hospital as hospital affiliations.
Overview
| NPI | 1609079409 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O. |
| Sole proprietor | No |
| NPI issued | Jun 8, 2007 |
| Last updated in NPPES | Mar 24, 2020 |
| Certified by provider | Mar 24, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 2017007800 | MO |
| Internal Medicine | 207R00000X | 125-049-138 | IL |
| Pediatrics | 208000000X | 125-049-138 | IL |
| Pediatrics | 208000000X | P7810 | TX |
| Pediatrics | 208000000X | 2017007800 | 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 | 38 |
|---|---|
| Services billed | 127 across 19 procedure codes |
| Paid by Medicare | $6,575 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,122 · 4,341 30-day fills |
|---|---|
| Patients | 226 |
| Total drug cost | $191,673 |
| Generic share | 84% of claims |
Education and affiliations
| Graduation year | 2005 |
|---|---|
| Medicare specialty | Internal Medicine |
| Secondary specialties | Pediatric Medicine |
Medical group
- Tri-County Family Practice, LLCChesterfield, MO · 9 clinicians
Hospital affiliations
- Ssm St Joseph Hospital WestLake Saint Louis, MO
- St Lukes HospitalChesterfield, MO
Industry payments (Open Payments)
- 2025$529.32 · 25 payments from 17 companies
- 2024$134.93 · 8 payments from 6 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Lilly USA, LLC | $72.97 | 3 |
| Lundbeck LLC | $56.75 | 2 |
| Amgen Inc. | $52.30 | 3 |
| Pfizer Inc. | $50.86 | 3 |
| Axsome Therapeutics, Inc. | $41.56 | 2 |
What the 2025 payments were for
- Food and Beverage$529.32 · 25 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 38 internal medicine physicians in Saint Charles · All internal medicine physicians in Missouri