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Dr. Guillermo Marrero, MD

Dr. Guillermo Marrero, MD

Internal Medicine*

Dr. Guillermo Marrero, MD is an internist in Oviedo, FL. He is affiliated with medical facilities AdventHealth Orlando and Orlando Health Orlando Regional Medical Center. He is accepting new patients and telehealth appointments.

3.5 Star Rating
Based on 30 reviews 3.5 Star Rating (30 reviews)

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MDVIP - Oviedo, FL

Locations

MDVIP - Oviedo, FL

MDVIP - Oviedo, FL1000 Executive Dr Ste 1 Oviedo, FL 32765
1

At a Glance

  • Offers TelehealthThis doctor offers telehealth appointments. Call the office to schedule an appointment.
  • Practices at Top HospitalAmerica’s 50 Best Hospitals for Surgical Excellence Award™ See hospitals
  • Hospital SatisfactionPatients said they were highly satisfied at this doctor's hospital. See hospitals

Experience Check

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Dr. Marrero's Reviews

Likelihood to recommend Dr. Marrero

3.5
30 ratings, 6 with a written review
5 star
53%
53%
4 star
10%
10%
3 star
3%
3%
2 star
3%
3%
1 star
30%
30%

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Great Internist!
Have been using the practice for 8+ years. Dr. Marrero intently listens with great care and concern. He is truly the doctors doctor. The office staff is a delight to deal with and I have never had a problem getting an appointment
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
Mark R. – Sep 08, 2023
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Dr. Marrero is such a kind and professional Doctor
Dr. Marrero always helps me take on a proactive approach. He does really care about his patients. Thank you Dr. Marrero
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
Sandra Cabral – Dec 03, 2022
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This guy is garbage and so is his raggedy staff. Let's begin with the staff. They're rude and incompetent, impatient and condescending. The "doctor".... well, he's completely a mess! He contradicts his directions and thank goodness I have a family member that spotted his mistakes or else my wife would be dead. He doesn't communicate with his staff and when you mention something to them that was discussed with him, such as an excuse for days off work, they stare at you as if you're lying to them. My wife was diagnosed as diabetic and we were given NO assistance to education in regards to this. We were called and told to come pick up prescriptions, that were incomplete I might add, and being that it was Friday, there was no way to contact the office because there is no on call service. This office is terrible an it's led by a terrible doctor. I believe that people who are not melanated are also treated better from things that I've observed. Save your energy and time. Find a REAL doctor!
What went well
No results
What could be improved
No results
1 other person found this helpful
Helpful
Dee Dee – Mar 13, 2021
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Excellent doctor. He listens, never makes you feel rushed and is very thorough In his exams. Have been going to him for 10 plus years and referred many of my friends to him.
What went well
No results
What could be improved
No results
Helpful
Mar 28, 2019
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Dr Marrero es el mejor Dr. que he encontrado en el area; muy profesional, responsable, carismatico, y sobretodo un dagnostico clinico acertado, con mucha experiencia en medicina clinica.
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
Francisco Fernandez in Winter Park, FL – Jan 17, 2019
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Listens very well. Excellent bedside manner. He has had some excellent support staff & some he could have done well to not have hired. All staff is bilingual, but some of his clinical staff has been difficult to communicate with. My first language is English. Some of his staff does have trouble communicating with me. Communication has never been an issue with Dr. Marrero himself.
What went well
  • Office environment
  • Appointment scheduling
  • Listened & answered questions
  • Explained conditions well
  • Staff friendliness
  • Appointment wasn't rushed
  • Trusted the provider's decisions
What could be improved
No results
5 others found this helpful
Helpful
Dan O in Lake Mary, FL – Mar 22, 2016
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About Me

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biography

Dr. Guillermo Marrero, MD is an internist in Oviedo, FL. He is affiliated with medical facilities AdventHealth Orlando and Orlando Health Orlando Regional Medical Center. He is accepting new patients and telehealth appointments.
  • Internal Medicine

  • Concierge 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.

  • American University Of The Caribbean School Of Medicine

    Medical School
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

Affiliated Hospitals

  • AdventHealth Orlando

    601 E Rollins St
    Orlando, FL 32803
    Recipient of 91
    hospital awards

    America’s 50 Best Hospitals for Surgical Excellence Award™ (2025, 2024, 2023)

    Top 1% in the nation for providing the highest clinical quality year over year

    America's 100 Best Hospitals Award™ (2025, 2024, 2023)

    Top 1% in the nation for providing the highest clinical quality year over year

    View all awards

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

    85%
    Patients said they were given information about recovering at home

    1% higher than the national average

    76%
    Patients said that nurses always listened to them and explained things well

    1% higher than the national average

    View all patient feedback
  • Orlando Health Orlando Regional Medical Center

    52 Underwood St
    Orlando, FL 32806
    Recipient of 34
    hospital awards

    America's 250 Best Hospitals Award™ (2024, 2023)

    Top 5% in the nation for consistently delivering clinical quality

    View all awards

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

    82%
    Patients said they were given information about recovering at home

    2% lower than the national average

    75%
    Patients said that doctors always listened to them and explained things well

    1% lower than the national average

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