Christina Celeste Walker, M.D.
NPI 1841408747ActiveIndividual· Family Medicine, Sports Medicine· Columbia, SC
Family Medicine, Sports Medicine (M.D.) with Lexington Health Inc, practicing in Columbia, South Carolina. 200 Medicare patients in 2024, $53,763 paid; nearly all of their 550 Part D prescriptions were generic (99%). Hologic Sales and Service, LLC was the largest of 5 companies reporting payments in 2024, $95.24 in all, mostly food and beverage. Lists Lexington Medical Center as a hospital affiliation.
Overview
| NPI | 1841408747 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | May 21, 2007 |
| Last updated in NPPES | Sep 16, 2025 |
| Certified by provider | Sep 16, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine, Sports Medicine Primary | 207QS0010X | N5467 | TX |
| Family Medicine | 207Q00000X | 64511 | AZ |
| Family Medicine, Sports Medicine | 207QS0010X | 93411 | SC |
| Family Medicine | 207Q00000X | N5467 | TX |
| Family Medicine, Sports Medicine | 207QS0010X | 64511 | AZ |
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 - Sports Medicine (AZ); Practitioner - Sports Medicine (SC); Practitioner - Sports Medicine (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 200 |
|---|---|
| Services billed | 1,074 across 13 procedure codes |
| Paid by Medicare | $53,763 |
Part D prescriptions in 2024
| Prescriptions (claims) | 550 · 593 30-day fills |
|---|---|
| Patients | 250 |
| Total drug cost | $8,076 |
| Generic share | 99% of claims |
Education and affiliations
| Graduation year | 2004 |
|---|---|
| Medicare specialty | Sports Medicine |
| Secondary specialties | Family Practice |
Medical group
- Lexington Health IncWest Columbia, SC · 904 clinicians
Hospital affiliation
- Lexington Medical CenterWest Columbia, SC
Industry payments (Open Payments)
- 2024$95.24 · 5 payments from 5 companies
Top paying companies in 2024
| Company | Amount | Payments |
|---|---|---|
| Hologic Sales and Service, LLC | $24.07 | 1 |
| Ironshore Pharmaceuticals Inc. | $23.51 | 1 |
| Amgen Inc. | $18.22 | 1 |
| Corcept Therapeutics | $15.65 | 1 |
| Depuy Synthes Sales Inc. | $13.79 | 1 |
What the 2024 payments were for
- Food and Beverage$95.24 · 5 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All Family Medicine, Sports Medicine providers in South Carolina →