Lauren Egger Williamson, MD
NPI 1912430935ActiveIndividual· Internal Medicine· Madison, MS
Internal Medicine (MD) in Madison, Mississippi, trained at University of Mississippi School of Medicine (class of 2017). Their prescriptions cost Medicare Part D more than their services did: $768,138 for 7,775 claims, against $165,040 paid for services in 2024. Novo Nordisk Inc was the largest of 12 companies reporting payments in 2025, $857.49 in all, mostly food and beverage.
Overview
| NPI | 1912430935 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Apr 6, 2017 |
| Last updated in NPPES | Jul 7, 2021 |
| Certified by provider | Jul 7, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 28876 | MS |
| Internal Medicine | 207R00000X | T-3452 | MS |
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 - Internal Medicine (MS) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 472 |
|---|---|
| Services billed | 3,709 across 51 procedure codes |
| Paid by Medicare | $165,040 |
Part D prescriptions in 2024
| Prescriptions (claims) | 7,775 · 17,831 30-day fills |
|---|---|
| Patients | 556 |
| Total drug cost | $768,138 |
| Generic share | 84% of claims |
Education and affiliations
| Medical school | University of Mississippi School of Medicine |
|---|---|
| Graduation year | 2017 |
| Medicare specialty | Internal Medicine |
Medical group
- St. Dominic Medical Associates LLCMadison, MS · 132 clinicians
Hospital affiliations
- Mississippi Baptist Medical CenterJackson, MS
- Mississippi Methodist Rehab CtrJackson, MS
- St Dominic-Jackson Memorial HospitalJackson, MS
Other facilities
- Centerwell Home HealthHome health agency · Flowood, MS
- Sta Home Health Agency of Jackson, Inc. DBA Accentcare Home Health of JacksonHome health agency · Clinton, MS
Industry payments (Open Payments)
- 2025$857.49 · 42 payments from 12 companies
- 2024$697.03 · 38 payments from 14 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novo Nordisk Inc | $230.45 | 11 |
| Corcept Therapeutics | $203.52 | 7 |
| Lilly USA, LLC | $123.67 | 8 |
| Amgen Inc. | $74.62 | 4 |
| Abbvie Inc. | $50.61 | 3 |
What the 2025 payments were for
- Food and Beverage$857.49 · 42 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 21 internal medicine physicians in Madison · All internal medicine physicians in Mississippi