Samuel Thomas Harris, M.D.
NPI 1558719625ActiveIndividual· Internal Medicine· Oxford, MS
Internal Medicine (M.D.) in Oxford, Mississippi, trained at University of Mississippi School of Medicine (class of 2016). 578 Medicare patients in 2024, $148,787 paid; nearly all of their 89 Part D prescriptions were generic (91%). Merck Sharp & Dohme LLC was the largest of 5 companies reporting payments in 2025, $240.63 in all, mostly food and beverage.
Overview
| NPI | 1558719625 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | May 31, 2016 |
| Last updated in NPPES | Aug 8, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 26457 | MS |
| Internal Medicine | 207R00000X | BP10057606 | TX |
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 - Internal Medicine (MS) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 578 |
|---|---|
| Services billed | 1,615 across 17 procedure codes |
| Paid by Medicare | $148,787 |
Part D prescriptions in 2024
| Prescriptions (claims) | 89 · 93 30-day fills |
|---|---|
| Patients | 35 |
| Total drug cost | $7,428 |
| Generic share | 91% of claims |
Education and affiliations
| Medical school | University of Mississippi School of Medicine |
|---|---|
| Graduation year | 2016 |
| Medicare specialty | Internal Medicine |
Medical group
- Comprehensive Hospitalists of Ms, LLCOxford, MS · 37 clinicians
Hospital affiliations
- Baptist Memorial Hospital North MsOxford, MS
- Yalobusha General HospitalWater Valley, MS
Industry payments (Open Payments)
- 2025$240.63 · 13 payments from 5 companies
- 2024$299.91 · 11 payments from 6 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Merck Sharp & Dohme LLC | $99.30 | 5 |
| Zoll Services LLC (A/K/A Zoll Lifecor Corp) | $52.03 | 3 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $35.02 | 2 |
| Paratek Pharmaceuticals, Inc. | $33.74 | 2 |
| Novartis Pharmaceuticals Corporation | $20.54 | 1 |
What the 2025 payments were for
- Food and Beverage$240.63 · 13 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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