Douglas L. Michaelsen, MD
NPI 1932191269ActiveIndividual· Internal Medicine, Hematology & Oncology· North Charleston, SC
Internal Medicine, Hematology & Oncology (MD) in North Charleston, South Carolina, trained at Wake Forest University School of Medicine (class of 1996). Their prescriptions cost Medicare Part D more than their services did: $7,295,859 for 1,719 claims, against $107,867 paid for services in 2024. Novartis Pharmaceuticals Corporation was the largest of 34 companies reporting payments in 2025, $2,210 in all, mostly food and beverage.
Overview
| NPI | 1932191269 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Aug 23, 2005 |
| Last updated in NPPES | Sep 25, 2025 |
| Certified by provider | Sep 25, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology & Oncology Primary | 207RH0003X | 19684 | 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 - Hematology/Oncology (SC) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 419 |
|---|---|
| Services billed | 1,691 across 13 procedure codes |
| Paid by Medicare | $107,867 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,719 · 2,123 30-day fills |
|---|---|
| Patients | 253 |
| Total drug cost | $7,295,859 |
| Generic share | 66% of claims |
Education and affiliations
| Medical school | Wake Forest University School of Medicine |
|---|---|
| Graduation year | 1996 |
| Medicare specialty | Hematology/Oncology |
Medical group
- Bon Secours St Francis Xavier Hospital IncCharleston, SC · 207 clinicians
Hospital affiliations
- Bon Secours-St Francis Xavier HospitalCharleston, SC
- Colleton Medical CenterWalterboro, SC
- Roper HospitalCharleston, SC
- Roper St Francis Hospital-Berkeley IncSummerville, SC
- Trident Medical CenterCharleston, SC
Industry payments (Open Payments)
- 2025$2,210 · 97 payments from 34 companies
- 2024$2,259 · 110 payments from 31 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novartis Pharmaceuticals Corporation | $212.88 | 8 |
| Celgene Corporation | $179.36 | 8 |
| Pfizer Inc. | $169.00 | 8 |
| Merck Sharp & Dohme LLC | $168.98 | 8 |
| Janssen Biotech, Inc. | $151.17 | 6 |
What the 2025 payments were for
- Food and Beverage$2,210 · 97 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 15 hematologist-oncologists in North Charleston · All hematologist-oncologists in South Carolina