Jeffrey A. Johnson, MD
NPI 1275647117ActiveIndividual· Internal Medicine· Hattiesburg, MS
Internal Medicine (MD) in Hattiesburg, Mississippi, trained at Louisiana State University School of Medicine in Shreveport (class of 1984). Their prescriptions cost Medicare Part D more than their services did: $1,038,581 for 12,095 claims, against $179,007 paid for services in 2024. Merck Sharp & Dohme LLC was the largest of 5 companies reporting payments in 2025, $235.09 in all, mostly food and beverage.
Overview
| NPI | 1275647117 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Aug 18, 2006 |
| Last updated in NPPES | Oct 30, 2026 |
| Certified by provider | Oct 30, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 13364 | 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 | 3,413 |
|---|---|
| Services billed | 7,755 across 43 procedure codes |
| Paid by Medicare | $179,007 |
Part D prescriptions in 2024
| Prescriptions (claims) | 12,095 · 29,498 30-day fills |
|---|---|
| Patients | 603 |
| Total drug cost | $1,038,581 |
| Generic share | 87% of claims |
Education and affiliations
| Medical school | Louisiana State University School of Medicine in Shreveport |
|---|---|
| Graduation year | 1984 |
| Medicare specialty | Internal Medicine |
Medical groups
- Hattiesburg Clinic PAHattiesburg, MS · 537 clinicians
- Forrest County General HospitalHattiesburg, MS · 107 clinicians
Hospital affiliations
- Forrest General HospitalHattiesburg, MS
- Jefferson Davis Community Hospital CahPrentiss, MS
- Marion General HospitalColumbia, MS
- South Central Reg Med CtrLaurel, MS
- Walthall County General Hospital CahTylertown, MS
Other facilities
- Forrest General Home CareHome health agency · Hattiesburg, MS
Industry payments (Open Payments)
- 2025$235.09 · 11 payments from 5 companies
- 2024$130.88 · 7 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Merck Sharp & Dohme LLC | $63.34 | 3 |
| Viiv Healthcare Company | $54.42 | 2 |
| Shionogi Inc | $42.81 | 2 |
| Paratek Pharmaceuticals, Inc. | $38.00 | 2 |
| La Jolla Pharmaceutical Company | $36.52 | 2 |
What the 2025 payments were for
- Food and Beverage$235.09 · 11 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 55 internal medicine physicians in Hattiesburg · All internal medicine physicians in Mississippi