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5.0(202 reviews)
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John L Mignone
Internal Medicine Physician - Advanced Heart Failure and Transplant Cardiology

Highlights

  • Board Certified

Biography

John L Mignone is a Internal Medicine Physician - Advanced Heart Failure and Transplant Cardiology practicing in Seattle, WA

He has not yet shared a personalized biography with Doctor.com.

Featured Review See More Reviews

Dr. Mignone is the best! he is so thoughtful, knowledgeable and thorough. I tell everyone I can how amazing he is.…

Anonymous

Summary

Provider Training

CertificationCert. BodyYear
Internal medicineInternal MedicineNot Specified

Specialties

Languages Spoken
English
Medical Specialties
  • Internal Medicine Physician - Sub-Specialty: Advanced Heart Failure and Transplant Cardiology

Accepts New Patients: Yes

Payment Options

Payment Details

Reviews

Average Rating: 5.0
Number of Reviews: 202
Most Recent Review: 10/27/2026
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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

Clear Explanations 5.0
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Verified Patient

“Dr. Mignone is the best! he is ...”

Dr. Mignone is the best! he is so thoughtful, knowledgeable and thorough. I tell everyone I can how amazing he is.

Anonymous 10/27/2026
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Verified Patient

“Excellent and through meeting wi...”

Excellent and through meeting with the care provider. Very interested on my health.

Anonymous 10/05/2026
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Verified Patient

“You guys rock and I appreciate i...”

You guys rock and I appreciate it!

Anonymous 09/20/2026
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Verified Patient

“He is head of a team that helps ...”

He is head of a team that helps me with my cardiac situation. I am very appreciative of having a team where different aspects of care are consolidated, e.g., pharmacy, diet.

Anonymous 08/25/2026
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Verified Patient

“Dr. Mignone is an incredible phy...”

Dr. Mignone is an incredible physician. He works hard to improve my health and functioning and always kind and thoughtful with his care. I am grateful to have him on my care team.

Anonymous 08/17/2026
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Verified Patient

“It's refreshing to have a physic...”

It's refreshing to have a physician (and team) that delivers personalized health care. Dr Mignone always quotes recent data as a basis for his clinical decisions. He's a busy guy but he never makes me feel rushed.

Anonymous 10/25/2026
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Verified Patient

“Provider explain things about my...”

Provider explain things about my condition clear than anyone had ever before. Swedish staff is the best I've ever had dealings with!!!

Anonymous 09/21/2026
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Verified Patient

“Excellent cardiologist, great co...”

Excellent cardiologist, great communicator, thorough knowledge of my health and heart conditions, accurate understanding of my medical situation and requirements.

Anonymous 09/14/2026
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Verified Patient

“The provider was very attentive ...”

The provider was very attentive and order a much needed IV of fluids due to my extreme dehydration. I felt so much better when complete.

Anonymous 08/22/2026
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Verified Patient

“Dr Mignone continues to provide ...”

Dr Mignone continues to provide excellent care w/my very complex, trying condition.

Anonymous 08/17/2026
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Affiliated Practices

Practice Colleagues

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Kathryn Okeefe, ARNP   -   Nurse Practitioner
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Eleanor Miller,   -   Internal Medicine Physician
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Christopher McGann,   -   Internal Medicine Physician
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Michael Schirmer,   -   Clinical Pharmacologist
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Christine Schmer,   -   Internal Medicine Physician
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Laurie Niernberg,   -   Internal Medicine Physician
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Matthew Hartman,   -   Internal Medicine Physician
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Adam Gilbert,   -   Internal Medicine Physician
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Procedures & Services

Procedures & Treatments Offered

    Commonly Prescribed Medications

    John L Mignone has not yet listed the medications that he commonly prescribes.

    Accepted Insurance

    Accepted Insurance

    John L Mignone has not yet specified the insurance plans he accepts.