Mark A. Ringold, MD
NPI 1588621023ActiveIndividual· Internal Medicine, Gastroenterology· Christiansburg, VA
Internal Medicine, Gastroenterology (MD) with Carilion Medical Center and 2 other groups, practicing in Christiansburg, Virginia. Their prescriptions cost Medicare Part D more than their services did: $627,539 for 620 claims, against $131,208 paid for services in 2024. Salix Pharmaceuticals, A Division of Bausch Health US, LLC was the largest of 13 companies reporting payments in 2025, $793.06 in all, mostly food and beverage. Lists Carilion Giles Community Hospital and 1 other hospital as hospital affiliations.
Overview
| NPI | 1588621023 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Apr 27, 2006 |
| Last updated in NPPES | Aug 12, 2011 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 0101222288 | VA |
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 - Gastroenterology (VA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 491 |
|---|---|
| Services billed | 708 across 30 procedure codes |
| Paid by Medicare | $131,208 |
Part D prescriptions in 2024
| Prescriptions (claims) | 620 · 915 30-day fills |
|---|---|
| Patients | 197 |
| Total drug cost | $627,539 |
| Generic share | 82% of claims |
Education and affiliations
| Graduation year | 1989 |
|---|---|
| Medicare specialty | Gastroenterology |
Medical groups
- Carilion Medical CenterRoanoke, VA · 977 clinicians
- Carilion Healthcare CorporationPearisburg, VA · 536 clinicians
- Carilion Giles Community HospitalPearisburg, VA · 228 clinicians
Hospital affiliations
- Carilion Giles Community HospitalPearisburg, VA
- Carilion New River Valley Medical CenterChristiansburg, VA
Industry payments (Open Payments)
- 2025$793.06 · 33 payments from 13 companies
- 2024$603.51 · 29 payments from 10 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Salix Pharmaceuticals, A Division of Bausch Health US, LLC | $116.23 | 5 |
| Abbvie Inc. | $102.47 | 4 |
| Janssen Biotech, Inc. | $93.51 | 3 |
| Ardelyx, Inc. | $82.34 | 4 |
| Celltrion USA Inc. | $66.70 | 2 |
What the 2025 payments were for
- Food and Beverage$793.06 · 33 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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