Stephen Zachary Peeke, M.D.
NPI 1013350297ActiveIndividual· Internal Medicine, Medical Oncology· Milford, DE
Internal Medicine, Medical Oncology (M.D.) in Milford, Delaware, trained at Jefferson Medical College of Thomas Jefferson University (class of 2013). Their prescriptions cost Medicare Part D more than their services did: $1,243,806 for 473 claims, against $30,460 paid for services in 2024. Janssen Biotech, Inc. reported $112.63 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1013350297 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Apr 8, 2013 |
| Last updated in NPPES | Feb 17, 2026 |
| Certified by provider | Feb 17, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Medical Oncology Primary | 207RX0202X | C1-0028532 | DE |
| Internal Medicine, Hematology | 207RH0000X | C1-0028532 | DE |
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/Oncology (DE); Practitioner - Medical Oncology (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 186 |
|---|---|
| Services billed | 399 across 15 procedure codes |
| Paid by Medicare | $30,460 |
Part D prescriptions in 2024
| Prescriptions (claims) | 473 · 679 30-day fills |
|---|---|
| Patients | 87 |
| Total drug cost | $1,243,806 |
| Generic share | 65% of claims |
Education and affiliations
| Medical school | Jefferson Medical College of Thomas Jefferson University |
|---|---|
| Graduation year | 2013 |
| Medicare specialty | Hematology/Oncology |
| Secondary specialties | Medical Oncology |
Medical groups
- Montefiore Medical CenterBronx, NY · 2,820 clinicians
- Bayhealth Medical Center, IncDover, DE · 413 clinicians
Hospital affiliations
- Bayhealth Hospital, Sussex CampusMilford, DE
- Bayhealth Medical Center, Kent CampusDover, DE
- Montefiore Medical CenterBronx, NY
Industry payments (Open Payments)
- 2025$112.63 · 3 payments from 1 company
- 2024$533.35 · 18 payments from 11 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Janssen Biotech, Inc. | $112.63 | 3 |
What the 2025 payments were for
- Food and Beverage$112.63 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Internal Medicine, Medical Oncology providers in Milford
- 1104383041
- 1770566085
All Internal Medicine, Medical Oncology providers in Delaware →