Leonard Clarkson Alsfeld, M.D.
NPI 1912346693ActiveIndividual· Internal Medicine· Charleston, SC
Internal Medicine (M.D.) in Charleston, South Carolina, trained at Louisiana State University School of Medicine in New Orleans (class of 2013). Their prescriptions cost Medicare Part D more than their services did: $6,537,863 for 1,726 claims, against $54,970 paid for services in 2024. Incyte Corporation was the largest of 9 companies reporting payments in 2025, $31,307 in all, mostly speaking and faculty fees.
Overview
| NPI | 1912346693 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Jun 17, 2013 |
| Last updated in NPPES | Jun 17, 2013 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | LL35778 | SC |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Hematology (LA); Practitioner - Internal Medicine (SC) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 161 |
|---|---|
| Services billed | 659 across 16 procedure codes |
| Paid by Medicare | $54,970 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,726 · 2,018 30-day fills |
|---|---|
| Patients | 222 |
| Total drug cost | $6,537,863 |
| Generic share | 73% of claims |
Education and affiliations
| Medical school | Louisiana State University School of Medicine in New Orleans |
|---|---|
| Graduation year | 2013 |
| Medicare specialty | Hematology |
| Secondary specialties | Medical Oncology |
| Telehealth | Offers telehealth |
Medical group
- Ochsner Clinic LLCNew Orleans, LA · 2,864 clinicians
Hospital affiliations
- Ochsner Lafayette General Medical CenterLafayette, LA
- Ochsner Medical Center - Baton RougeBaton Rouge, LA
- Ochsner Medical Center AcuteNew Orleans, LA
- Slidell Memorial HospitalSlidell, LA
- St Tammany Parish HospitalCovington, LA
Industry payments (Open Payments)
- 2025$31,307 · 38 payments from 9 companies
- 2024$51,134 · 53 payments from 9 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Incyte Corporation | $13,124 | 17 |
| Kite Pharma, Inc. | $11,521 | 9 |
| E.R. Squibb & Sons, L.L.C. | $5,014 | 4 |
| Amgen Inc. | $1,372 | 1 |
| Astellas Pharma US Inc | $99.99 | 1 |
What the 2025 payments were for
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$17,383 · 10 payments
- Consulting Fee$10,416 · 6 payments
- Travel and Lodging$2,369 · 4 payments
- Food and Beverage$946.84 · 15 payments
- Education$193.23 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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