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Dr. John Duncan, MD

Dr. John Duncan, MD

Cardiology*

Dr. John Duncan, MD is a cardiologist in Plano, TX. Dr. Duncan has extensive experience in Adult Congenital Heart Conditions. He is affiliated with Medical City Plano. He is accepting new patients and telehealth appointments.

4.5 Star Rating
Based on 12 reviews 4.5 Star Rating (12 reviews)

Heartplace

3801 W 15th St Ste 320 Plano, TX 75075
Telehealth available

Compare with other Cardiologists

Compare Dr. Duncan with our nearby Cardiologists at Medical City Heart Hospital.

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Make an appointment at Medical City Heart Hospital today at
(972) 456-9314.

Dr. Duncan is a Healthgrades Choice provider in Cardiology

The Healthgrades Choice designation helps you understand the most important factors to consider when choosing a healthcare professional. This designation is earned based on four set standards.
Read our methodology

  • Above average experience
  • Good hospital quality
  • Good patient ratings
  • No healthcare sanctions

Experience Check

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Dr. Duncan's Reviews

Likelihood to recommend Dr. Duncan

4.5

12 ratings, 5 with a written review
5 Star
83%
83%
4 Star
0%
0%
3 Star
0%
0%
2 Star
17%
17%
1 Star
0%
0%

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RecentHighestLowestMost Helpful
What went well
No results
What could be improved
No results
Helpful
Mar 06, 2025
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What went well
  • I felt respected
  • Appointment scheduling
  • Listened & answered questions
  • Explained conditions well
  • Staff friendliness
  • Appointment wasn't rushed
  • Trusted the provider's decisions
  • Wait times
What could be improved
No results
Helpful
cliff – Sep 19, 2024
×Post a ResponseAre you Dr. John Duncan, MD?
What went well
No results
What could be improved
No results
Helpful
Sharon Stafford – Apr 10, 2023
×Post a ResponseAre you Dr. John Duncan, MD?
What went well
  • Appointment scheduling
  • Listened & answered questions
  • Explained conditions well
  • Staff friendliness
  • Appointment wasn't rushed
  • Trusted the provider's decisions
  • Wait times
What could be improved
No results
1 person found this helpful
Helpful
Aug 21, 2019
×Post a ResponseAre you Dr. John Duncan, MD?
What went well
  • Listened & answered questions
  • Explained conditions well
  • Staff friendliness
  • Appointment wasn't rushed
  • Trusted the provider's decisions
  • Wait times
What could be improved
No results
2 people found this helpful
Helpful
TX, TX – Nov 10, 2018
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About Me

biography

Dr. John Duncan is board certified in cardiovascular disease, nuclear cardiology, and internal medicine, and specializes in general and nuclear cardiology and vascular medicine.
  • Cardiology

  • Nuclear Cardiology

  • Internal Medicine

*Healthgrades does not verify qualifications for medical specialties. Please verify your provider's specialty and qualifications directly with your provider and applicable medical board.

  • Good Samaritan Medical Center

    Fellowship Hospital, 1985
  • Good Samaritan Medical Center

    Residency Hospital, 1983
  • East Tennessee State University

    Internship Hospital, 1980
American Board of Medical Specialties®
American Board of Internal Medicine®
Cardiovascular Disease
Internal Medicine
American Board of Nuclear Medicine
Nuclear Medicine
Self designated 
For detailed information about any of the below board actions, please search for the provider's records on the linked state licensing board or the Federation of State Medical Boards. To learn more about the difference between these sources, please refer to our FAQs.
Healthgrades has not received any data indicating a board action exists for this provider.

Dr. Duncan is a Healthgrades Choice provider in Cardiology

    Read our methodology

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    Locations

    Heartplace

    Heartplace Plano3801 W 15th St Ste 320 Plano, TX 75075
    1
    • Call
    • Fax
    • Hours
      • Mon: 8:00am - 4:30pm
      • Tue: 8:00am - 4:30pm
      • Wed: 8:00am - 4:30pm
      • Thu: 8:00am - 4:30pm
      • Fri: 8:00am - 4:30pm
      • Sat: closed
      • Sun: closed
    • Directions