Dr. Guillermo Marrero, MD

Dr. Guillermo Marrero, MD

Internal Medicine  ·  
Male  ·  
Age 56
Dr. Guillermo Marrero, MD is an internal medicine specialist in Oviedo, FL and has been practicing for 21 years. He graduated from American University Of The Caribbean in 1993 and specializes in internal medicine.

1000 Executive Dr Ste 1

Oviedo, FL 32765

Contact Information

(407) 971-1970

Insurance Accepted

  • Blue Cross Blue Shield
  • Blue Cross Blue Shield of Florida
  • Cigna
  • First Health (Coventry Health Care)
  • Humana
  • MultiPlan

*Please verify this information when scheduling an appointment.

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1  Specialties

  • Internal Medicine

0  Board Certifications

Dr. Marrero does not have any board certifications listed.

139  Conditions Treated

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13  Procedures

  • Anemia and Iron Deficiency Screening
  • Cholesterol Screening
  • Diabetes Screening
  • Electrocardiogram (EKG)
  • Hepatitis Screening
  • HIV Screening
  • Immunization
  • Osteoporosis Screening
  • Prostate Cancer Screening
  • Sexually Transmitted Infections Screening
  • Syphilis Screening
  • Thyroid Screening
  • Wellness Examination

Background Check

0 Malpractice Claims

No malpractice history found for Florida.

0 Sanctions

No sanctions history found for the years that Healthgrades collects data.

0 Board Actions

No board actions found for the years that Healthgrades collects data.


  • American University Of The Caribbean
    Medical School | Graduated 1993
  • Meml Hosp Ri
    Residency Hospital | Completed 1997

Awards & Recognition

Awards & Honors

Dr. Marrero has no awards or honors listed.

Media & Publications

Dr. Marrero has no media or publications listed.

Languages Spoken

  • English
  • Spanish

Memberships & Professional Affiliations

Dr. Marrero does not have any memberships or affiliations listed. If you are Dr. Marrero and would like to add memberships or affiliations, please update your profile.

Dr. Marrero's Reviews

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Average Wait Time
  • 16 – 30 minutes
Dr. Marrero's Performance
  • Trustworthiness
  • Explains condition(s) well
  • Answers questions
  • Time well spent
Office & Staff Performance
  • Scheduling
  • Office environment
  • Staff friendliness
What People Say About Dr. Guillermo Marrero, MD
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...Read More
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Dan O in Lake Mary, FL – Mar 22, 2016
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