Alejandro De Los Santos
NPI 1558527846ActiveIndividual· Internal Medicine· Tyler, TX
Internal Medicine with North Texas Physician Services, PLLC, practicing in Tyler, Texas. In 2024 Medicare paid $75,078 for 480 patients, and Part D covered 221 of their prescriptions, 74% of them generic. Lists Christus Mother Frances Hospital as a hospital affiliation.
Overview
| NPI | 1558527846 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | Yes |
| NPI issued | Aug 6, 2008 |
| Last updated in NPPES | Jul 24, 2024 |
| Certified by provider | Jul 24, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | P4300 | TX |
| General Practice | 208D00000X | 00000 | PR |
| Hospitalist | 208M00000X | P4300 | TX |
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) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 480 |
|---|---|
| Services billed | 669 across 7 procedure codes |
| Paid by Medicare | $75,078 |
Part D prescriptions in 2024
| Prescriptions (claims) | 221 · 268 30-day fills |
|---|---|
| Patients | 100 |
| Total drug cost | $20,797 |
| Generic share | 74% of claims |
Education and affiliations
| Graduation year | 2006 |
|---|---|
| Medicare specialty | Internal Medicine |
Medical group
- North Texas Physician Services, PLLCLongview, TX · 238 clinicians
Hospital affiliation
- Christus Mother Frances HospitalTyler, 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 173 internal medicine physicians in Tyler · All internal medicine physicians in Texas