Dr. Eugene E. Marrone, MD
Emergency Medicine (Emergency Medicine Physician)
- Medicare participating
At a glance
- Years since graduation
- 5
- In the NPI registry since
- 2021
- Medicare patients seen, 2024
- 255
Licensed in Delaware since 2024, according to the Delaware Division of Professional Regulation. We show license dates only for the states that publish them in bulk; see which states do. For other states, check the state medical board.
The NPI date is when this clinician registered for a National Provider Identifier, the billing number used on health claims. It is not a license, graduation or board-certification date. What an NPI is
Education and training
- 2021Registered with an NPI (national billing number; not a license date)
Medicare’s Care Compare data doesn’t list this clinician’s medical school. Undergraduate school, residency, fellowship, licensing exams and board certification aren’t in public federal data. Board certification can be confirmed with the certifying board (ABMS member boards for MDs, AOA boards for DOs).
Specialties and state licenses
-
Emergency Medicine Physician primary
NJ license 25MA13267600 · DE license C1-0026851 (first issued 2024; active)
As reported to the NPI registry. To confirm a license is current, check the state medical board.
Where they work
Hospitals
- Christiana Hospital Newark, DE
- Bayhealth Medical Center, Kent Campus Dover, DE
- Bayhealth Hospital, Sussex Campus Milford, DE
- Union Hospital of Cecil County Elkton, MD
Medical groups
- Christiana Care Health Services Inc (1,483 clinicians)
- Christiana Care Emergency Physicians LLC (76 clinicians)
Hospitals this clinician lists with Medicare, and groups they bill Medicare through (Care Compare). Affiliation doesn’t mean they see patients at every location.
Medicare patients and services
- Medicare patients, 2024
- 255
- Services billed
- 425
- Patients’ average age
- 75
Medicare fee-for-service only. CMS leaves out services billed for fewer than 11 patients. These figures describe a practice’s Medicare work; they aren’t a measure of quality.
Payments from drug and device companies
In 2025, 1 companies reported 1 payments worth $18.98 in total to this clinician.
| AbbVie Inc. | $18.98 |
|---|
| Food and Beverage | $18.98 |
|---|
From CMS Open Payments. A payment is not evidence of wrongdoing; many are for consulting, teaching or meals. Clinicians can review and dispute their records with CMS.