Lyndsey Hughes Mathias, NP-C
NPI 1619453602ActiveIndividual· Nurse Practitioner, Primary Care· Columbia, SC
Nurse Practitioner, Primary Care (NP-C) in Columbia, South Carolina, trained at Medical University of South Carolina College of Medicine (class of 2018). Their prescriptions cost Medicare Part D more than their services did: $438,104 for 4,002 claims, against $75,554 paid for services in 2024. Lilly USA, LLC was the largest of 17 companies reporting payments in 2025, $1,044 in all, mostly food and beverage.
Overview
| NPI | 1619453602 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | NP-C |
| Sole proprietor | Yes |
| NPI issued | Jul 13, 2018 |
| Last updated in NPPES | Jun 6, 2024 |
| Certified by provider | Jun 6, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Primary Care Primary | 363LP2300X | 22049 | SC |
| Nurse Practitioner, Family | 363LF0000X | 22049 | 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 - Nurse Practitioner (SC) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 240 |
|---|---|
| Services billed | 3,313 across 87 procedure codes |
| Paid by Medicare | $75,554 |
Part D prescriptions in 2024
| Prescriptions (claims) | 4,002 · 8,413 30-day fills |
|---|---|
| Patients | 338 |
| Total drug cost | $438,104 |
| Generic share | 87% of claims |
Education and affiliations
| Medical school | Medical University of South Carolina College of Medicine |
|---|---|
| Graduation year | 2018 |
| Medicare specialty | Nurse Practitioner |
| Telehealth | Offers telehealth |
Medical group
- Lexington Health IncWest Columbia, SC · 904 clinicians
Hospital affiliations
- Lexington Medical CenterWest Columbia, SC
- Prisma Health BaptistColumbia, SC
- Prisma Health Richland HospitalColumbia, SC
Other facilities
- Amedisys Home Health of CamdenHome health agency · Camden, SC
- Interim Healthcare of the UpstateHome health agency · Greenville, SC
- Pruitthealth Home Health-ColumbiaHome health agency · Columbia, SC
Industry payments (Open Payments)
- 2025$1,044 · 53 payments from 17 companies
- 2024$1,013 · 66 payments from 15 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Lilly USA, LLC | $194.67 | 7 |
| Astrazeneca Pharmaceuticals LP | $155.17 | 11 |
| Dexcom, Inc. | $148.37 | 4 |
| Novo Nordisk Inc | $80.65 | 5 |
| Pfizer Inc. | $68.40 | 4 |
What the 2025 payments were for
- Food and Beverage$1,044 · 53 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 41 primary care nurse practitioners in Columbia · All primary care nurse practitioners in South Carolina