Christopher Paul Irwin, M.D
NPI 1033506191ActiveIndividual· Internal Medicine· Fort Sam Houston, TX
Internal Medicine (M.D) in Fort Sam Houston, Texas, trained at West Virginia University School of Medicine (class of 2015). In 2024 Medicare paid $11,184 for 66 patients, and Part D covered 62 of their prescriptions, 87% of them generic.
Overview
| NPI | 1033506191 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D |
| Sole proprietor | No |
| NPI issued | Apr 16, 2015 |
| Last updated in NPPES | Oct 27, 2026 |
| Certified by provider | Oct 27, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 29445 | NE |
| Internal Medicine | 207R00000X | S4977 | TX |
| Internal Medicine | 207R00000X | 32890 | WV |
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 (TX); Practitioner - Hospitalist (WV) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 66 |
|---|---|
| Services billed | 165 across 6 procedure codes |
| Paid by Medicare | $11,184 |
Part D prescriptions in 2024
| Prescriptions (claims) | 62 · 76 30-day fills |
|---|---|
| Patients | 27 |
| Total drug cost | $4,829 |
| Generic share | 87% of claims |
Education and affiliations
| Medical school | West Virginia University School of Medicine |
|---|---|
| Graduation year | 2015 |
| Medicare specialty | Internal Medicine |
| Secondary specialties | Emergency Medicine |
Medical group
- Hospital Medicine Services of Tx, PLLCLive Oak, TX · 378 clinicians
Hospital affiliation
- Methodist Hospital Stone OakSan Antonio, TX
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 46 internal medicine physicians in Fort Sam Houston · All internal medicine physicians in Texas