Samuel Louis Pierce, M.D.
NPI 1922237411ActiveIndividual· Internal Medicine· Jackson, MS
Internal Medicine (M.D.) in Jackson, Mississippi, trained at University of Mississippi School of Medicine (class of 2009). Their prescriptions cost Medicare Part D more than their services did: $3,379,096 for 31,697 claims, against $794,117 paid for services in 2024. Abbvie Inc. was the largest of 9 companies reporting payments in 2025, $588.17 in all, mostly food and beverage.
Overview
| NPI | 1922237411 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jul 7, 2009 |
| Last updated in NPPES | Sep 8, 2014 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 21731 | MS |
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 (MS) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 1,575 |
|---|---|
| Services billed | 25,242 across 203 procedure codes |
| Paid by Medicare | $794,117 |
Part D prescriptions in 2024
| Prescriptions (claims) | 31,697 · 51,249 30-day fills |
|---|---|
| Patients | 1,322 |
| Total drug cost | $3,379,096 |
| Generic share | 85% of claims |
Education and affiliations
| Medical school | University of Mississippi School of Medicine |
|---|---|
| Graduation year | 2009 |
| Medicare specialty | Internal Medicine |
Medical group
- Medical Associates of Vicksburg PLLCVicksburg, MS · 8 clinicians
Hospital affiliations
- Merit Health River OaksFlowood, MS
- Merit Health River RegionVicksburg, MS
- Mississippi Baptist Medical CenterJackson, MS
- St Dominic-Jackson Memorial HospitalJackson, MS
- University of Mississippi Med CenterJackson, MS
Other facilities
- Adoration Home HealthHome health agency · Vicksburg, MS
- Arden Home Health of West Ms, LLCHome health agency · Ridgeland, MS
- Centerwell Home HealthHome health agency · Flowood, MS
- Enhabit Home HealthHome health agency · Vicksburg, MS
- Primestar Home Health IncHome health agency · Rayville, LA
- Arden of Central Mississippi, LLCHospice · Ridgeland, MS
- Enhabit Hospice of Central MsHospice · Flowood, MS
- Pax HospiceHospice · Ridgeland, MS
- St Joseph Hospice of West Mississippi, LLCHospice · Richland, MS
- Heritage House Nursing CenterNursing home · Vicksburg, MS
- Shady Lawn Health and RehabilitationNursing home · Vicksburg, MS
- Vicksburg Convalescent CenterNursing home · Vicksburg, MS
Industry payments (Open Payments)
- 2025$588.17 · 32 payments from 9 companies
- 2024$363.16 · 21 payments from 10 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $195.40 | 14 |
| Astrazeneca Pharmaceuticals LP | $125.42 | 4 |
| Astellas Pharma US Inc | $102.26 | 4 |
| Otsuka America Pharmaceutical, Inc. | $51.77 | 3 |
| Lilly USA, LLC | $29.17 | 2 |
What the 2025 payments were for
- Food and Beverage$588.17 · 32 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 352 internal medicine physicians in Jackson · All internal medicine physicians in Mississippi