Sergio A. Leon, M.D.
NPI 1083814057ActiveIndividual· Internal Medicine, Rheumatology· Beaumont, TX
Internal Medicine, Rheumatology (M.D.) with Christus Trinity Clinic Texas, practicing in Beaumont, Texas. Their prescriptions cost Medicare Part D more than their services did: $1,565,451 for 2,352 claims, against $42,034 paid for services in 2024. E.R. Squibb & Sons, L.L.C. reported $14.69 in payments in 2025, mostly food and beverage. Lists Baptist Beaumont Hospital and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1083814057 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Jul 19, 2007 |
| Last updated in NPPES | Apr 13, 2021 |
| Certified by provider | Apr 13, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Rheumatology Primary | 207RR0500X | S4806 | TX |
| Internal Medicine, Rheumatology | 207RR0500X | ME 104595 | FL |
| Internal Medicine, Rheumatology | 207RR0500X | D0071211 | MD |
| Internal Medicine, Rheumatology | 207RR0500X | 0101249525 | VA |
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 - Rheumatology (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 242 |
|---|---|
| Services billed | 1,005 across 5 procedure codes |
| Paid by Medicare | $42,034 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,352 · 4,933 30-day fills |
|---|---|
| Patients | 344 |
| Total drug cost | $1,565,451 |
| Generic share | 87% of claims |
Education and affiliations
| Graduation year | 1984 |
|---|---|
| Medicare specialty | Rheumatology |
| Secondary specialties | Internal Medicine |
Medical group
- Christus Trinity Clinic TexasTyler, TX · 1,540 clinicians
Hospital affiliations
- Baptist Beaumont HospitalBeaumont, TX
- Christus Jasper Memorial HospitalJasper, TX
- Christus Southeast Texas- St ElizabethBeaumont, TX
Industry payments (Open Payments)
- 2025$14.69 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| E.R. Squibb & Sons, L.L.C. | $14.69 | 1 |
What the 2025 payments were for
- Food and Beverage$14.69 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Internal Medicine, Rheumatology providers in Beaumont
- 1366212334
- 1447459979
- 1245306067
- 1417053059
- 1508392317
- 1952425779
- 1871153494
- 1427342674
- 1467683581
- 1972506236
- 1396197216
- 1730474222