J Barry Gillespie, M.D.
NPI 1093751232ActiveIndividual· Internal Medicine· Greenville, MS
Internal Medicine (M.D.) in Greenville, Mississippi, trained at University of Mississippi School of Medicine (class of 1985). Their prescriptions cost Medicare Part D more than their services did: $1,425,701 for 18,462 claims, against $463,390 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 11 companies reporting payments in 2025, $667.54 in all, mostly food and beverage.
Overview
| NPI | 1093751232 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 22, 2006 |
| Last updated in NPPES | Feb 11, 2008 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | D84161 | 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 | 969 |
|---|---|
| Services billed | 17,161 across 189 procedure codes |
| Paid by Medicare | $463,390 |
Part D prescriptions in 2024
| Prescriptions (claims) | 18,462 · 33,959 30-day fills |
|---|---|
| Patients | 755 |
| Total drug cost | $1,425,701 |
| Generic share | 88% of claims |
Education and affiliations
| Medical school | University of Mississippi School of Medicine |
|---|---|
| Graduation year | 1985 |
| Medicare specialty | Internal Medicine |
| Secondary specialties | Pediatric Medicine |
Medical group
- The Greenville ClinicGreenville, MS · 8 clinicians
Hospital affiliation
- Delta Health System - the Medical CenterGreenville, MS
Other facilities
- Accentcare Home Health of GreenwoodHome health agency · Greenwood, MS
- Adoration Home Health and Hospice Care MississippiHome health agency · Indianola, MS
- Arden Home Health of West Ms, LLCHome health agency · Ridgeland, MS
- Delta Health-The Medical CenterHome health agency · Greenville, MS
- Delta Health- the Medical Center (Hospice)Hospice · Greenville, MS
- Grace Community HospiceHospice · Hollandale, MS
- Ms Care Center of GreenvilleNursing home · Greenville, MS
Industry payments (Open Payments)
- 2025$667.54 · 40 payments from 11 companies
- 2024$413.34 · 24 payments from 9 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $329.35 | 20 |
| Abbvie Inc. | $75.46 | 3 |
| Pfizer Inc. | $54.35 | 3 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $34.72 | 4 |
| Novo Nordisk Inc | $32.47 | 2 |
What the 2025 payments were for
- Food and Beverage$667.54 · 40 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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