Walter J. Bristow III, MD
NPI 1407847023ActiveIndividual· Internal Medicine, Gastroenterology· Columbia, SC
Internal Medicine, Gastroenterology (MD) in Columbia, South Carolina, trained at Rush Medical College of Rush University (class of 1989). Their prescriptions cost Medicare Part D more than their services did: $468,191 for 1,748 claims, against $171,292 paid for services in 2024. Abbvie Inc. was the largest of 23 companies reporting payments in 2025, $2,881 in all, mostly food and beverage.
Overview
| NPI | 1407847023 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Nov 2, 2005 |
| Last updated in NPPES | Aug 11, 2020 |
| Certified by provider | Aug 11, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 16268 | SC |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Gastroenterology (SC) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 688 |
|---|---|
| Services billed | 2,072 across 24 procedure codes |
| Paid by Medicare | $171,292 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,748 · 3,162 30-day fills |
|---|---|
| Patients | 748 |
| Total drug cost | $468,191 |
| Generic share | 82% of claims |
Education and affiliations
| Medical school | Rush Medical College of Rush University |
|---|---|
| Graduation year | 1989 |
| Medicare specialty | Gastroenterology |
| Secondary specialties | Internal Medicine |
Medical group
- Columbia Gastroenterology Associates PAColumbia, SC · 10 clinicians
Hospital affiliations
- Musc Health Columbia Medical Center DowntownColumbia, SC
- Prisma Health Baptist ParkridgeColumbia, SC
Industry payments (Open Payments)
- 2025$2,881 · 158 payments from 23 companies
- 2024$2,991 · 158 payments from 23 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $823.51 | 54 |
| Qol Medical, LLC | $298.66 | 8 |
| Ardelyx, Inc. | $249.65 | 14 |
| Salix Pharmaceuticals, A Division of Bausch Health US, LLC | $245.98 | 13 |
| Janssen Biotech, Inc. | $230.05 | 16 |
What the 2025 payments were for
- Food and Beverage$2,881 · 158 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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