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Dr. Mark Keller, MD

Dr. Mark Keller, MD

Cardiology*
40+ years of experience

Dr. Mark Keller, MD is a cardiologist in Aurora, CO and has over 40 years of experience in the medical field. Dr. Keller has extensive experience in Adult Congenital Heart Conditions and Heart Conditions. He graduated from University of Chicago in 1983. He is affiliated with medical facilities UCHealth Highlands Ranch Hospital and UCHealth University of Colorado Hospital. He is accepting new patients and telehealth appointments.

4 Star Rating
Based on 13 reviews 4 Star Rating (13 reviews)

Practice

12605 E 16th Ave Aurora, CO 80045
Telehealth available

Hospital Highlight

Dr. Keller is affiliated with UCHealth Highlands Ranch Hospital Highlands Ranch, a highly rated hospital.

Dr. Keller 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
  • Areas of Expertise
    Dr. Keller specializes in the areas of Cardiovascular Disease & Internal Medicine. See board certifications
  • Explains Conditions Well
    Patients said this doctor explains conditions well. See reviews
  • Offers Telehealth
    This doctor offers telehealth appointments. Call the office to schedule an appointment.
  • Practices at Top Hospital
    Patient Safety Excellence Award™ See hospitals
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Dr. Keller's Reviews

Likelihood to recommend Dr. Keller

4.0
13 ratings, 5 with a written review
5 star
69%
69%
4 star
8%
8%
3 star
0%
0%
2 star
0%
0%
1 star
23%
23%

Your trust is our top concern.

We strive to keep reviews honest, trustworthy, and fair.

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Any reviews that are deemed fraudulent or violate our guidelines will be removed immediately.

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Dr Keller is an EXCELLENT doctor. He is very professional an caring, up to date on the latest procedures and medications for the heart. He is my lifesaver. A miracle worker! Saved my life and my family is so grateful! He is The GREATEST!!
What went well
  • Office environment
  • 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
Thomas La Susa – Jul 07, 2020
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Horrible experience. Dr Keller has the worst bedside manners. He does not listen or empathize, even when patient is visibly upset. He is also a terrible listener. He has his own conservative opinion and that's it. Please advise, if you are not comfortable, find another doctor. You are the patient and in charge of the visit. I DO NOT RECOMMEND THIS DOCTOR.
What went well
No results
What could be improved
No results
3 others found this helpful
Helpful
Mar 31, 2019
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Outstanding. So glad I switched. I felt listened to, collaborated with and treated with care. I am in great hands with him and his team.
What went well
  • Office environment
  • 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
3 others found this helpful
Helpful
Greenwood Village, CO – Mar 07, 2017
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very good Cardiologist.
What went well
  • Office environment
  • 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
3 others found this helpful
Helpful
rich in Aurora, CO – Nov 19, 2016
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Managed a very intricate stent procedure when a bypass wasn't possible due to cancer complications
What went well
  • Office environment
  • 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
2 others found this helpful
Helpful
Travis in Tucson AZ – Aug 27, 2016
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Leave a review

How was your experience with Dr. Keller?

About Me

biography

Dr. Mark Keller, MD is a cardiologist in Aurora, CO and has over 40 years of experience in the medical field. Dr. Keller has extensive experience in Adult Congenital Heart Conditions and Heart Conditions. He graduated from University of Chicago...read more
  • 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.

  • University Of Chicago

    Medical School, 1983
American Board of Medical Specialties®
American Board of Internal Medicine®
Cardiovascular Disease
Internal Medicine
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.
  • English

  • Spanish

Dr. Keller is a Healthgrades Choice provider in Cardiology

    Read our methodology

    Locations

    Practice

    University of Colorado Hospital12605 E 16th Ave Aurora, CO 80045
    1

    Practice

    University of Colorado Hospital Authority9548 Park Meadows Dr Lone Tree, CO 80124
    2
    • 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

    Affiliated Hospitals

    • UCHealth Highlands Ranch Hospital

      1500 Park Central Dr
      Highlands Ranch, CO 80129
      Recipient of 3
      hospital awards

      Patient Safety Excellence Award™ (2025)

      Top in the nation for providing excellence in patient safety by preventing infections, medical errors, and other preventable complications

      Outstanding Patient Experience Award™ (2022)

      Top in the nation for providing excellence in patient safety by preventing infections, medical errors, and other preventable complications

      View all awards

      How patients felt about the care they received at this hospital.

      86%
      Patients said they were given information about recovering at home

      2% higher than the national average

      76%
      Patients said that doctors always listened to them and explained things well
      View all patient feedback
    • UCHealth University of Colorado Hospital

      12605 E 16th Ave
      Aurora, CO 80045
      Recipient of 4
      hospital awards

      How patients felt about the care they received at this hospital.

      86%
      Patients said they were given information about recovering at home

      2% higher than the national average

      78%
      Patients said that doctors always listened to them and explained things well

      2% higher than the national average

      View all patient feedback
    Learn more about how Healthgrades measures Hospital Quality