Stephen Howard Dyar Jr., MD
NPI 1497883565ActiveIndividual· Internal Medicine, Hematology & Oncology· Greenville, SC
Internal Medicine, Hematology & Oncology (MD) in Greenville, South Carolina, trained at Medical University of South Carolina College of Medicine (class of 2006). Their prescriptions cost Medicare Part D more than their services did: $5,255,548 for 2,189 claims, against $99,009 paid for services in 2024. Daiichi Sankyo Inc. was the largest of 3 companies reporting payments in 2025, $53,989 in all, mostly speaking and faculty fees.
Overview
| NPI | 1497883565 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Mar 1, 2007 |
| Last updated in NPPES | Jul 21, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology & Oncology Primary | 207RH0003X | 34992 | SC |
| Internal Medicine | 207R00000X | 134068 | NC |
| Internal Medicine | 207R00000X | ME104643 | FL |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 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 | 576 |
|---|---|
| Services billed | 1,144 across 14 procedure codes |
| Paid by Medicare | $99,009 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,189 · 3,565 30-day fills |
|---|---|
| Patients | 448 |
| Total drug cost | $5,255,548 |
| Generic share | 83% of claims |
Education and affiliations
| Medical school | Medical University of South Carolina College of Medicine |
|---|---|
| Graduation year | 2006 |
| Medicare specialty | Hematology/Oncology |
Medical group
- Bon Secours Medical Group Greenville Specialty Care LLCGreenville, SC · 292 clinicians
Hospital affiliation
- St Francis-DowntownGreenville, SC
Industry payments (Open Payments)
- 2025$53,989 · 36 payments from 3 companies
- 2024$65,408 · 52 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Daiichi Sankyo Inc. | $43,604 | 29 |
| Astrazeneca Pharmaceuticals LP | $10,330 | 6 |
| Eli Lilly and Company | $55.00 | 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$50,850 · 14 payments
- Consulting Fee$1,340 · 2 payments
- Food and Beverage$1,049 · 13 payments
- Travel and Lodging$749.13 · 7 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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