Christopher James Fyock, MD
NPI 1073738696ActiveIndividual· Internal Medicine, Gastroenterology· Greenville, SC
Internal Medicine, Gastroenterology (MD) in Greenville, South Carolina, trained at Medical University of South Carolina College of Medicine (class of 2005). Their prescriptions cost Medicare Part D more than their services did: $1,049,326 for 1,649 claims, against $285,267 paid for services in 2024. Abbvie Inc. was the largest of 15 companies reporting payments in 2025, $1,484 in all, mostly food and beverage.
Overview
| NPI | 1073738696 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Apr 17, 2007 |
| Last updated in NPPES | May 20, 2024 |
| Certified by provider | May 20, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 31663 | SC |
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 (SC) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 634 |
|---|---|
| Services billed | 10,059 across 49 procedure codes |
| Paid by Medicare | $285,267 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,649 · 3,241 30-day fills |
|---|---|
| Patients | 472 |
| Total drug cost | $1,049,326 |
| Generic share | 84% of claims |
Education and affiliations
| Medical school | Medical University of South Carolina College of Medicine |
|---|---|
| Graduation year | 2005 |
| Medicare specialty | Gastroenterology |
| Secondary specialties | Internal Medicine |
Medical group
- Gastroenterology Associates, PAClemson, SC · 57 clinicians
Hospital affiliations
- Pelham Medical CenterGreer, SC
- Prisma Health Baptist Easley HospitalEasley, SC
- Prisma Health Greenville Memorial HospitalGreenville, SC
- Prisma Health Oconee Memorial HospitalSeneca, SC
- St Francis-DowntownGreenville, SC
Industry payments (Open Payments)
- 2025$1,484 · 83 payments from 15 companies
- 2024$645.84 · 44 payments from 15 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $503.40 | 27 |
| Regeneron Healthcare Solutions, Inc. | $160.41 | 7 |
| Janssen Biotech, Inc. | $139.41 | 12 |
| Madrigal Pharmaceuticals | $136.93 | 8 |
| Phathom Pharmaceuticals, Inc. | $89.05 | 8 |
What the 2025 payments were for
- Food and Beverage$1,453 · 82 payments
- Education$31.00 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Internal Medicine, Gastroenterology providers in Greenville
- 1457395295
- 1487684031
- 1184693061
- 1952481632
- 1699118133
- 1912342742
- 1124070594
- 1902224371
- 1437190428
- 1588808257
- 1669810461
- 1952494544
All Internal Medicine, Gastroenterology providers in South Carolina →