Louis Charles Haenel IV, DO
NPI 1669412995ActiveIndividual· Internal Medicine, Endocrinology, Diabetes & Metabolism· Charleston, SC
Internal Medicine, Endocrinology, Diabetes & Metabolism (DO) in Charleston, South Carolina, trained at Rowan University School of Osteopathic Medicine (class of 1994). Their prescriptions cost Medicare Part D more than their services did: $2,047,919 for 5,167 claims, against $115,069 paid for services in 2024. Lilly USA, LLC was the largest of 22 companies reporting payments in 2025, $36,339 in all, mostly speaking and faculty fees.
Overview
| NPI | 1669412995 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | No |
| NPI issued | Jun 7, 2006 |
| Last updated in NPPES | Nov 10, 2025 |
| Certified by provider | Nov 10, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Endocrinology, Diabetes & Metabolism Primary | 207RE0101X | 472 | 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 - Endocrinology (SC) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 756 |
|---|---|
| Services billed | 1,560 across 20 procedure codes |
| Paid by Medicare | $115,069 |
Part D prescriptions in 2024
| Prescriptions (claims) | 5,167 · 12,759 30-day fills |
|---|---|
| Patients | 733 |
| Total drug cost | $2,047,919 |
| Generic share | 51% of claims |
Education and affiliations
| Medical school | Rowan University School of Osteopathic Medicine |
|---|---|
| Graduation year | 1994 |
| Medicare specialty | Endocrinology |
| Telehealth | Offers telehealth |
Medical group
- Roper Saint Francis Physicians NetworkN Charleston, SC · 528 clinicians
Hospital affiliations
- Bon Secours-St Francis Xavier HospitalCharleston, SC
- Mount Pleasant HospitalMount Pleasant, SC
- Roper HospitalCharleston, SC
- Roper St Francis Hospital-Berkeley IncSummerville, SC
- Tidelands Georgetown Memorial HospitalGeorgetown, SC
Industry payments (Open Payments)
- 2025$36,339 · 168 payments from 22 companies
- 2024$32,235 · 147 payments from 18 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Lilly USA, LLC | $33,922 | 52 |
| Medtronic, Inc. | $723.70 | 41 |
| Abbott Laboratories | $380.49 | 10 |
| Insulet Corporation | $199.09 | 11 |
| Ascendis Pharma Endocrinology Inc | $154.59 | 10 |
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$32,550 · 33 payments
- Food and Beverage$3,021 · 131 payments
- Travel and Lodging$767.67 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 33 endocrinologists in Charleston · All endocrinologists in South Carolina