Joseph W. Blackston, MD
NPI 1194834747ActiveIndividual· Internal Medicine· Jackson, MS
Internal Medicine (MD) in Jackson, Mississippi, trained at University of Mississippi School of Medicine (class of 1986). Their prescriptions cost Medicare Part D more than their services did: $1,215,962 for 5,434 claims, against $360,787 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 10 companies reporting payments in 2025, $784.22 in all, mostly food and beverage.
Overview
| NPI | 1194834747 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Aug 29, 2006 |
| Last updated in NPPES | Sep 11, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | MD 11335 | MS |
| Emergency Medicine | 207P00000X | 11335 | MS |
| Legal Medicine | 209800000X | MD 11335 | 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 - Family Practice (MS) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 500 |
|---|---|
| Services billed | 11,476 across 190 procedure codes |
| Paid by Medicare | $360,787 |
Part D prescriptions in 2024
| Prescriptions (claims) | 5,434 · 11,675 30-day fills |
|---|---|
| Patients | 412 |
| Total drug cost | $1,215,962 |
| Generic share | 84% of claims |
Education and affiliations
| Medical school | University of Mississippi School of Medicine |
|---|---|
| Graduation year | 1986 |
| Medicare specialty | Family Practice |
Medical groups
- Medical Associates of Vicksburg PLLCVicksburg, MS · 8 clinicians
- Central Mississippi Medical Clinic PLLCVicksburg, MS · 2 clinicians
Hospital affiliations
- Merit Health River RegionVicksburg, MS
- Mississippi Baptist Medical 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
- GentivaHospice · Vicksburg, MS
- Shady Lawn Health and RehabilitationNursing home · Vicksburg, MS
- Vicksburg Convalescent CenterNursing home · Vicksburg, MS
Industry payments (Open Payments)
- 2025$784.22 · 39 payments from 10 companies
- 2024$607.47 · 35 payments from 11 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $315.27 | 11 |
| Otsuka America Pharmaceutical, Inc. | $140.64 | 12 |
| Astellas Pharma US Inc | $102.26 | 4 |
| Abbvie Inc. | $56.66 | 3 |
| Lundbeck LLC | $40.21 | 2 |
What the 2025 payments were for
- Food and Beverage$784.22 · 39 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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