John Oliga, M.D.
NPI 1013021781ActiveIndividual· Internal Medicine· Decatur, GA
Internal Medicine (M.D.) in Decatur, Georgia, trained at Howard University College of Medicine (class of 1993). Their prescriptions cost Medicare Part D more than their services did: $543,620 for 6,404 claims, against $11,884 paid for services in 2024. Pfizer Inc. was the largest of 8 companies reporting payments in 2025, $397.95 in all, mostly food and beverage.
Overview
| NPI | 1013021781 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Aug 18, 2006 |
| Last updated in NPPES | May 12, 2026 |
| Certified by provider | May 12, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 39890 | GA |
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 (GA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 25 |
|---|---|
| Services billed | 176 across 21 procedure codes |
| Paid by Medicare | $11,884 |
Part D prescriptions in 2024
| Prescriptions (claims) | 6,404 · 14,784 30-day fills |
|---|---|
| Patients | 781 |
| Total drug cost | $543,620 |
| Generic share | 88% of claims |
Education and affiliations
| Medical school | Howard University College of Medicine |
|---|---|
| Graduation year | 1993 |
| Medicare specialty | Internal Medicine |
Medical group
- Centerwell Senior Primary Care Ga PCMorrow, GA · 56 clinicians
Hospital affiliations
- Piedmont Fayette HospitalFayetteville, GA
- Wellstar Kennestone Regional Medical CenterMarietta, GA
Other facilities
- Accentcare Home Health of GeorgiaHome health agency · Roswell, GA
- Centerwell Home HealthHome health agency · Peachtree City, GA
- Piedmont Hospice & Palliative, IncHospice · Alpharetta, GA
Industry payments (Open Payments)
- 2025$397.95 · 11 payments from 8 companies
- 2024$51.84 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Pfizer Inc. | $107.36 | 1 |
| Viiv Healthcare Company | $92.96 | 1 |
| Otsuka America Pharmaceutical, Inc. | $73.73 | 3 |
| Lilly USA, LLC | $31.58 | 1 |
| Amgen Inc. | $29.73 | 2 |
What the 2025 payments were for
- Food and Beverage$397.95 · 11 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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