Samuel S. Santiago, MD
NPI 1689684227ActiveIndividual· Internal Medicine· Lufkin, TX
Internal Medicine (MD) with Lufkin Physician Services PA, practicing in Lufkin, Texas. In 2024 Medicare paid $77,183 for 235 patients, and Part D covered 380 of their prescriptions, 88% of them generic. Zoll Services LLC (A/K/A Zoll Lifecor Corp) was the largest of 2 companies reporting payments in 2025, $43.54 in all, mostly food and beverage. Lists Chi St Lukes Health Memorial Lufkin and 3 other hospitals as hospital affiliations.
Overview
| NPI | 1689684227 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Aug 8, 2006 |
| Last updated in NPPES | Jul 8, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | L1450 | 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 | 235 |
|---|---|
| Services billed | 788 across 7 procedure codes |
| Paid by Medicare | $77,183 |
Part D prescriptions in 2024
| Prescriptions (claims) | 380 · 382 30-day fills |
|---|---|
| Patients | 162 |
| Total drug cost | $21,021 |
| Generic share | 88% of claims |
Education and affiliations
| Graduation year | 1982 |
|---|---|
| Medicare specialty | Internal Medicine |
| Secondary specialties | Emergency Medicine |
Medical group
- Lufkin Physician Services PALufkin, TX · 21 clinicians
Hospital affiliations
- Chi St Lukes Health Memorial LufkinLufkin, TX
- Longview Regional Medical CenterLongview, TX
- Ut Health East Texas Tyler Regional HospitalTyler, TX
- Woodland Heights Medical CenterLufkin, TX
Industry payments (Open Payments)
- 2025$43.54 · 2 payments from 2 companies
- 2024$16.50 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Zoll Services LLC (A/K/A Zoll Lifecor Corp) | $25.17 | 1 |
| Pfizer Inc. | $18.37 | 1 |
What the 2025 payments were for
- Food and Beverage$43.54 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 58 internal medicine physicians in Lufkin · All internal medicine physicians in Texas