Dr. Guillermo Marrero MD Internist

Dr. Guillermo Marrero is an internist in Oviedo, Florida and is affiliated with Orlando Regional Medical Center. He received his medical degree from American University of the Caribbean School of Medicine and has been in practice for 16 years. Dr. Marrero accepts several types of health insurance, listed below. He is one of 192 doctors at Orlando Regional Medical Center who specialize in Internal Medicine.

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Office Location

See Contact Information

Specialty & Clinical Interests

Internist: General Internal Medicine

Hospital Affiliation

Orlando Regional Medical Center

Education & Medical Training

Memorial Hospital of Rhode Island
Residency, Internal Medicine, 1994 - 1997

American University of the Caribbean School of Medicine
Class of 1993

Certifications & Licensure

American Board of Internal Medicine
Certified 15 years in Internal Medicine

FL State Medical License
Active through 2013

Insurances Accepted

  • Aetna Choice POS II
  • AvMed Health Open Access
  • BCBS Blue Card PPO
  • BCBS Florida BlueCare HMO
  • BCBS Florida NetworkBlue
  • BCBS Florida Preferred Patient Care PPO
  • CIGNA HMO
  • CIGNA Open Access
  • CIGNA PPO
  • Coventry Florida - Employer Group PPO
  • First Health PPO
  • Great West PPO
  • Humana ChoiceCare Network PPO
  • Multiplan PHCS PPO
  • Multiplan PPO
  • ODS Network
  • PacificSource Preferred PSN
  • Providence Health System Personal Option
  • Providence Health System Preferred PPO
  • Regence Oregon - Preferred Provider Network
  • United Healthcare - Direct Choice Plus POS
  • United Healthcare - Direct Options PPO
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