Christopher D. South, MD
NPI 1649392341ActiveIndividual· Internal Medicine, Gastroenterology· Cincinnati, OH
Internal Medicine, Gastroenterology (MD) in Cincinnati, Ohio, trained at Ohio State University College of Medicine (class of 2004). Their prescriptions cost Medicare Part D more than their services did: $1,379,783 for 1,188 claims, against $113,283 paid for services in 2024. Abbvie Inc. was the largest of 5 companies reporting payments in 2025, $199.62 in all, mostly food and beverage.
Overview
| NPI | 1649392341 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Apr 4, 2007 |
| Last updated in NPPES | Apr 18, 2024 |
| Certified by provider | Apr 18, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 35089864 | OH |
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 - Gastroenterology (OH) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 524 |
|---|---|
| Services billed | 1,211 across 49 procedure codes |
| Paid by Medicare | $113,283 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,188 · 2,020 30-day fills |
|---|---|
| Patients | 583 |
| Total drug cost | $1,379,783 |
| Generic share | 72% of claims |
Education and affiliations
| Medical school | Ohio State University College of Medicine |
|---|---|
| Graduation year | 2004 |
| Medicare specialty | Gastroenterology |
| Telehealth | Offers telehealth |
Medical group
- Gcga Physicians Inc.Lima, OH · 77 clinicians
Hospital affiliations
- Bethesda NorthCincinnati, OH
- Christ HospitalCincinnati, OH
- Mercy Health - Fairfield HospitalFairfield, OH
- Mercy Health - West HospitalCincinnati, OH
- The Jewish Hospital-Mercy HealthCincinnati, OH
Industry payments (Open Payments)
- 2025$199.62 · 10 payments from 5 companies
- 2024$435.14 · 31 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $100.36 | 5 |
| Novo Nordisk Inc | $35.43 | 2 |
| Janssen Biotech, Inc. | $24.62 | 1 |
| Pfizer Inc. | $23.02 | 1 |
| Gilead Sciences, Inc. | $16.19 | 1 |
What the 2025 payments were for
- Food and Beverage$199.62 · 10 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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