Elizabeth Hargroder Machen, M.D.
Student in an Organized Health Care Education/Training Program (M.D.) in Nashville, Tennessee, trained at Louisiana State University School of Medicine in New Orleans (class of 2017). Their prescriptions cost Medicare Part D more than their services did: $1,038,249 for 2,030 claims, against $479,652 paid for services in 2024. Abbvie Inc. was the largest of 17 companies reporting payments in 2025, $1,175 in all, mostly food and beverage.
Overview
| NPI | 1790226074 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Mar 20, 2017 |
| Last updated in NPPES | Jul 31, 2018 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Student in an Organized Health Care Education/Training Program Primary | 390200000X | — | — |
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 - Dermatology (LA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 813 |
|---|---|
| Services billed | 7,155 across 66 procedure codes |
| Paid by Medicare | $479,652 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,030 · 2,581 30-day fills |
|---|---|
| Patients | 530 |
| Total drug cost | $1,038,249 |
| Generic share | 90% of claims |
Education and affiliations
| Medical school | Louisiana State University School of Medicine in New Orleans |
|---|---|
| Graduation year | 2017 |
| Medicare specialty | Dermatology |
Medical group
- Lafayette Dermatology, LLCLafayette, LA · 7 clinicians
Hospital affiliations
- Abbeville General HospitalAbbeville, LA
- Ochsner Lafayette General Medical CenterLafayette, LA
- Opelousas General Health SystemOpelousas, LA
Industry payments (Open Payments)
- 2025$1,175 · 59 payments from 17 companies
- 2024$1,079 · 54 payments from 14 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $387.09 | 20 |
| Genzyme Corporation | $153.27 | 7 |
| Galderma Laboratories, L.P. | $150.36 | 9 |
| Novartis Pharmaceuticals Corporation | $79.32 | 4 |
| Ucb, Inc. | $60.05 | 2 |
What the 2025 payments were for
- Food and Beverage$1,175 · 59 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 1,650 Student in an Organized Health Care Education/Training Program providers in Nashville · All Student in an Organized Health Care Education/Training Program providers in Tennessee