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Cardiac Surgery

Daniel Marelli, MD

Works at hospitals in Milford, DE · Dover, DE · Delaware

Summary

Daniel Marelli, MD (Cardiac Surgery) is listed by Medicare at 2 hospitals in Milford, DE and Dover, DE. NPI 1518983147. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Daniel Marelli, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Cardiac SurgeryPrimary specialty
YesAccepts Medicare assignment
40Years since medical school (graduated 1986)
MaleGender (as listed)
Bayhealth Medical Center, IncGroup practice

Quick answers

Which hospitals does Daniel Marelli work at?
Medicare's official clinician data lists Daniel Marelli at 2 hospitals: Bayhealth Hospital, Sussex Campus and Bayhealth Medical Center, Kent Campus. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Daniel Marelli see patients?
Medicare's clinician data lists 2 practice locations, including Milford, DE and Dover, DE. Call before your visit to confirm the address.
What is Daniel Marelli's specialty?
Medicare lists Cardiac Surgery as the primary specialty, and also Thoracic Surgery.
Does Daniel Marelli accept Medicare assignment?
Yes. Medicare's clinician data says Daniel Marelli accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for Daniel Marelli?
(302) 744-7113, as listed in official Medicare / NPI Registry data.
What is Daniel Marelli's NPI number?
1518983147. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Daniel Marelli works

Medicare's Facility Affiliation Data lists Daniel Marelli at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Daniel Marelli is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Daniel Marelli as a member of this group (CMS data updated 2026-10-02).

  • Bayhealth Medical Center, Inc413 clinicians in the group

Specialties

Find other Cardiac Surgery doctors in Delaware →

Other cardiac surgeons in Delaware

Clinicians with the same Medicare primary specialty in Delaware — not a recommendation.

All cardiac surgeons in Delaware →

Clinician information

CredentialMD
Graduation year1986
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1518983147
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians