Summary

Dr. John Mannion has practiced cardiology, thoracic surgery, and surgery for 48 years and is affiliated with Bayhealth Medical Center at Kent General Hospital. He earned his medical degree from Weill Cornell Medical College and sees patients in Dover and Milford, Delaware. He speaks French and Spanish. Patients on Vitals rate Dr. Mannion 4.3 out of 5.

Overview based on verified provider data

Quick Facts

  • 4.3
  • 48 years of experience
  • 1 insurance plan accepted
  • speaks French, Spanish
  • Weill Cornell Medical College
  • 3 specialties
  • 13 areas of expertise
  • 1 hospital affiliation
  • 2 office locations
  • Male

Patients’ Perspective

  • Gave an accurate diagnosis
  • Had a good bedside manner
  • Spent time with me

Office Locations

Dr. John Dana Mannion has 2 locations

Bayhealth Hospital Sussex Campus

100 Wellness WayMilford, DE 19963

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Dr. John Dana Mannion, MD
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Dr. John Dana Mannion, MDDr. Anthony Dominic Alfieri, DODr. Erik Scot Marshall, MDDr. Roger Kerzner, MD
CardiologyCardiologyCardiologyCardiology
Accepts New Patients Accepts New Patients
4.3 
3.1 
4.3 
5 
48 Years of Experience 41 Years of Experience 38 Years of Experience 27 Years of Experience
No Virtual Visit Option Virtual Visit Available No Virtual Visit Option No Virtual Visit Option
Speaks French, Spanish Speaks English Speaks English, Spanish Speaks English, Spanish
Dover , DENewark , DEElkton , MDElkton , MD
Med School: Weill Cornell Medical College Med School: Pennsylvania State University College Of Medicine Med School: Rutgers Robert Wood Johnson Medical School Med School: Virginia Commonwealth University School Of Medicine
Current Profile
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Insurance Plans Accepted by Dr. John Dana Mannion

  • Humana - Medicare (Advantage HMO)

Medical Specialties

Dr. John Dana Mannion has the following 3 specialties

Specialty Expertise

Dr. John Dana Mannion has the following 13 areas of expertise

  • Aneurysm
  • Cardiac Surgical Procedures
  • Cardiomyoplasty
  • Cardiopulmonary Bypass (CPB)
  • Coronary Artery Bypass (Heart Bypass)
  • Coronary Disease
  • Deep Vein Thrombosis
  • Diabetes Complications
  • Heart Disease (Myocardial Ischemia)
  • Surgery
  • Thoracic Surgery
  • Varicose Veins
  • Vascular Malformations

Certifications, License, & Education

48 Years Experience

Dr. John Dana Mannion holds an active medical license in the state of Delaware.

Medical License

Medical Doctor with an active medical license in the state of Delaware that expires in 2027.

Education & Training

Medical School

Graduated from Weill Cornell Medical College in 1978.

NPI Number

Dr. Mannion's NPI number is 1780685677.

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Frequently Asked Questions

What languages does Dr. John Mannion speak?
Dr. John Mannion speaks French and Spanish.
How can I make an appointment with Dr. John Mannion?
You can find contact information for Dr. John Mannion here on Vitals.
Does Dr. John Mannion accept virtual/telehealth appointments?
Dr. John Mannion has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
Where is Dr. John Mannion's office located?
Dr. John Mannion's office is located at 640 S State St, Dover, DE, 19901.
Which hospitals is Dr. John Mannion affiliated with?
Dr. John Mannion is affiliated with Bayhealth Medical Center At Kent General Hospital.

Data Sources

This provider profile is built using data from:

  • NPPES NPI Registry
  • State medical licensing boards
  • Healthcare system and provider network data

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