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233 Patient Reviews

John L. Petersen

Internal Medicine Physician - Interventional Cardiology

Biography

John L. Petersen is a Internal Medicine Physician - Interventional Cardiology practicing in Seattle, WA

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

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I have been lucky to have Dr Petersen as my cardiologist many years and he has been the best. He also took care of my husband immediately when we returned from our trip from oversees. I am forever grateful to have him as my doctor.…

Anonymous

Summary

Specialties

Languages Spoken
English
Medical Specialties
  • Internal Medicine Physician - Sub-Specialty: Interventional Cardiology

Years In Practice: 23 (started in 2002)

Accepts New Patients: Yes

Payment Options

Payment Details

Reviews

Average Rating: 5
Number of Reviews: 233
Most Recent Review: 10/01/2025
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Office & Staff Evaluation Not rated

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Average Wait Time Not Rated

Provider Evaluation

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Verified Patient

I have been lucky to have Dr Pet...

I have been lucky to have Dr Petersen as my cardiologist many years and he has been the best. He also took care of my husband immediately when we returned from our trip from oversees. I am forever grateful to have him as my doctor.

Anonymous 10/01/2025
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All is good...

All is good

Anonymous 09/26/2025
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I love Dr. Peterson and have rec...

I love Dr. Peterson and have recommended him to friends. He truly cares about his patients. May he never retire because I don't want to lose an excellent doctor.

Anonymous 09/23/2025
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Everyone at Swedish Cardiology h...

Everyone at Swedish Cardiology has been wonderful to me.

Anonymous 09/19/2025
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They understood my problem and f...

They understood my problem and fixed it immediately

Anonymous 09/11/2025
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Listens, addresses, and is trust...

Listens, addresses, and is trustworthy.

Anonymous 09/29/2025
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I just appreciate everyone I see...

I just appreciate everyone I see at Swedish.

Anonymous 09/26/2025
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Seeing Dr. Petersen is always a ...

Seeing Dr. Petersen is always a positive experience.

Anonymous 09/21/2025
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Dr Peterson and his care team ar...

Dr Peterson and his care team are very good. Easy to talk with and listen to and answer all my questions.

Anonymous 09/17/2025
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Full confidence in Dr Petersen's...

Full confidence in Dr Petersen's care and guidance.

Anonymous 09/10/2025
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    Commonly Prescribed Medications

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

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    Accepted Insurance

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