Daniel Marelli, MD
5.0(4 reviews)
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Daniel Marelli, MD
Thoracic and Cardiac Surgeon - General

Biography

Daniel Marelli, MD, is a cardiovascular surgeon at Bayhealth. He performs open-heart surgeries and catheter-based procedures including treatment of aortic aneurysms and the transcatheter aortic valve … Read more ›

Featured Review See More Reviews

Dr. Marelli and his entier staff are friendly, knowledgeable, courteous, and helpful. They are very respectful.…

Anonymous

Summary

Provider Training

UniversityDegreeFocusGraduated
Universite de Montreal Faculty of MedicineOther Degree1986

InstitutionFocusYear
Internship - Montreal General Hospital1987
Residency - McGill University1987

Photos

Provider Profile 0

Specialties

Languages Spoken
English
Medical Specialties
  • Thoracic and Cardiac Surgeon

Accepts New Patients: Yes

Payment Options

Payment Details

Reviews

Average Rating: 5.0
Number of Reviews: 4
Most Recent Review: 04/21/2026
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Office & Staff Evaluation Not rated

Ease of Getting an Appointment Not rated
Courtesy of Practice Staff Not rated
Office Appearance & Atmosphere Not rated
Handling of Billing Matters Not rated
Average Wait Time Not Rated

Provider Evaluation 5.0

Listening Skills 5.0
Clear Explanations 5.0
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Verified Patient

“Dr. Marelli and his entier staff...”

Dr. Marelli and his entier staff are friendly, knowledgeable, courteous, and helpful. They are very respectful.

Anonymous 04/21/2026
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Verified Patient

“Respectfull...”

Respectfull

Anonymous 04/24/2025
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Verified Patient

“Excellent PA, Technician and esp...”

Excellent PA, Technician and especially Dr. Marelli!!

Anonymous 10/01/2025
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Verified Patient

“Dr. Marelli and his PA's were ve...”

Dr. Marelli and his PA's were very professional and caring.

Anonymous 03/31/2025

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Holly Dapias, FNP-C   -   Nurse Practitioner
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Claire O'Connell, PA-C   -   Physician Assistant
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Todd Brandt, PA-C   -   Physician Assistant
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Jeffrey Cirks, PA-C   -   Physician Assistant
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Michelle DeMarco, PA-C   -   Physician Assistant
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Rebekah Bernat, PA-C   -   Physician Assistant
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Cara O'Reilly, NP-C   -   Nurse Practitioner
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Paul Fedalen, MD   -   Thoracic and Cardiac Surgeon
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Gary Szydlowski, MD   -   Thoracic and Cardiac Surgeon
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Procedures & Services

Procedures & Treatments Offered

    Commonly Prescribed Medications

    Daniel Marelli, MD has not yet listed the medications that he commonly prescribes.

    Accepted Insurance

    Accepted Insurance

    Daniel Marelli, MD has not yet specified the insurance plans he accepts.