of
GM

Guillermo Marrero, MD

Dr. Marrero is an internal medicine doctor in the Oviedo area. He is affiliated with Dr P Phillips Hospital and 7 more hospitals.
Get directions
Opens Google Maps in another tab

Conditions treated

Tap to see related services for each condition and more details about our calculations.

Top 25%
40k doctors
Top 15%
40k doctors
Top 5%
20k doctors
Dr. Marrero saw more pain patients than 95% of similar doctors nationwide in 2014–2019. Learn more.

Related services provided

Top 25%
23k doctors
Top 15%
23k doctors
Top 5%
11k doctors
Dr. Marrero saw more high cholesterol patients than 95% of similar doctors nationwide in 2014–2019. Learn more.

Related services provided

Top 25%
1.8k doctors
Top 15%
1.8k doctors
Top 5%
911 doctors
Dr. Marrero saw more interstitial cystitis patients than 95% of similar doctors nationwide in 2014–2019. Learn more.

Related services provided

Top 25%
1.8k doctors
Top 15%
1.8k doctors
Top 5%
911 doctors
Dr. Marrero saw more cystitis patients than 95% of similar doctors nationwide in 2014–2019. Learn more.

Related services provided

Top 25%
9.6k doctors
Top 15%
9.6k doctors
Top 5%
4.8k doctors
Dr. Marrero saw more allergic reaction patients than 95% of similar doctors nationwide in 2014–2019. Learn more.

Related services provided

Top 25%
12k doctors
Top 15%
12k doctors
Top 5%
5.8k doctors
Dr. Marrero saw more vitamin deficiency patients than 95% of similar doctors nationwide in 2014–2019. Learn more.

Related services provided

Top 25%
16k doctors
Top 15%
16k doctors
Top 5%
8.2k doctors
Dr. Marrero saw more upper respiratory infection (URI) patients than 95% of similar doctors nationwide in 2014–2019. Learn more.

Related services provided

Top 25%
14k doctors
Top 15%
14k doctors
Top 5%
7.2k doctors
Dr. Marrero saw more tonsillitis patients than 85% of similar doctors nationwide in 2014–2019. Learn more.

Related services provided

Top 25%
2.1k doctors
Top 15%
2.1k doctors
Top 5%
1.1k doctors
Dr. Marrero saw more indigestion patients than 85% of similar doctors nationwide in 2014–2019. Learn more.

Related services provided

Top 25%
12k doctors
Top 15%
12k doctors
Top 5%
6.2k doctors
Dr. Marrero saw more rash patients than 95% of similar doctors nationwide in 2014–2019. Learn more.

Related services provided

Top 25%
5.0k doctors
Top 15%
5.0k doctors
Top 5%
2.5k doctors
Dr. Marrero saw more enlarged tonsils patients than 75% of similar doctors nationwide in 2014–2019. Learn more.
Top 25%
20k doctors
Top 15%
20k doctors
Top 5%
9.8k doctors
Dr. Marrero saw more allergies patients than 95% of similar doctors nationwide in 2014–2019. Learn more.

Related services provided

Top 25%
7.2k doctors
Top 15%
7.2k doctors
Top 5%
3.6k doctors
Dr. Marrero saw more generalized anxiety disorder (GAD) patients than 85% of similar doctors nationwide in 2014–2019. Learn more.

Related services provided

Top 25%
10k doctors
Top 15%
10k doctors
Top 5%
5.2k doctors
Dr. Marrero saw more insomnia patients than 95% of similar doctors nationwide in 2014–2019. Learn more.

Related services provided

Top 25%
11k doctors
Top 15%
11k doctors
Top 5%
5.3k doctors
Dr. Marrero saw more attention deficit hyperactivity disorder (ADHD) patients than 85% of similar doctors nationwide in 2014–2019. Learn more.

Related services provided

Top 25%
18k doctors
Top 15%
18k doctors
Top 5%
9.2k doctors
Dr. Marrero saw more headaches patients than 95% of similar doctors nationwide in 2014–2019. Learn more.

Related services provided

Top 25%
22k doctors
Top 15%
22k doctors
Top 5%
11k doctors
Dr. Marrero saw more back pain patients than 95% of similar doctors nationwide in 2014–2019. Learn more.

Related services provided

Top 25%
38k doctors
Top 15%
38k doctors
Top 5%
19k doctors
Dr. Marrero saw more cardiovascular disease (CVD) patients than 85% of similar doctors nationwide in 2014–2019. Learn more.

Related services provided

Top 25%
36k doctors
Top 15%
36k doctors
Top 5%
18k doctors
Dr. Marrero saw more vascular disease patients than 85% of similar doctors nationwide in 2014–2019. Learn more.

Related services provided

Top 25%
899 doctors
Top 15%
899 doctors
Top 5%
449 doctors
Dr. Marrero saw chlamydia patients in 2014–2019, but we couldn’t determine whether he was a top doctor for the condition nationwide. Learn more.

Related services provided

Top 25%
23k doctors
Top 15%
23k doctors
Top 5%
11k doctors
Dr. Marrero saw more back problems patients than 95% of similar doctors nationwide in 2014–2019. Learn more.

Related services provided

Top 25%
727 doctors
Top 15%
727 doctors
Top 5%
363 doctors
Dr. Marrero saw pilonidal cyst patients in 2014–2019, but we couldn’t determine whether he was a top doctor for the condition nationwide. Learn more.
Top 25%
15k doctors
Top 15%
15k doctors
Top 5%
7.4k doctors
Dr. Marrero saw more sinusitis patients than 75% of similar doctors nationwide in 2014–2019. Learn more.

Related services provided

Top 25%
16k doctors
Top 15%
16k doctors
Top 5%
7.8k doctors
Dr. Marrero saw more hay fever (allergic rhinitis) patients than 85% of similar doctors nationwide in 2014–2019. Learn more.

Related services provided

Top 25%
15k doctors
Top 15%
15k doctors
Top 5%
7.5k doctors
Dr. Marrero saw more bronchitis patients than 85% of similar doctors nationwide in 2014–2019. Learn more.

Related services provided

Top 25%
1.9k doctors
Top 15%
1.9k doctors
Top 5%
947 doctors
Dr. Marrero saw kidney cyst patients in 2014–2019, but we couldn’t determine whether he was a top doctor for the condition nationwide. Learn more.
Top 25%
34k doctors
Top 15%
34k doctors
Top 5%
17k doctors
Dr. Marrero saw more digestive tract conditions patients than 85% of similar doctors nationwide in 2014–2019. Learn more.

Related services provided

Top 25%
7.5k doctors
Top 15%
7.5k doctors
Top 5%
3.7k doctors
Dr. Marrero saw more bacterial vaginosis (BV) patients than 75% of similar doctors nationwide in 2014–2019. Learn more.

Related services provided

Top 25%
13k doctors
Top 15%
13k doctors
Top 5%
6.3k doctors
Dr. Marrero saw more neck pain patients than 95% of similar doctors nationwide in 2014–2019. Learn more.

Related services provided

Top 25%
16k doctors
Top 15%
16k doctors
Top 5%
8.1k doctors
Dr. Marrero saw more sinus condition patients than 75% of similar doctors nationwide in 2014–2019. Learn more.

Related services provided

Locations

Dr. Marrero sees patients and can be reached at the following location.

1000 Executive Dr
Oviedo, FL 32765
950 miles away
  • Spanish

Reviews

Credentials
  • American University of The Caribbean
    MEDICAL EDUCATION, 1993

Specializations

    1. Allopathic & Osteopathic Physicians
    2. Internal Medicine

Hospital affiliations

Dr. Marrero is able to admit and treat patients at the following hospitals.

  • Dr P Phillips Hospital
    A
    Hospital safety grade (Fall 2019)
  • Florida Hospital Altamonte
    A
    Hospital safety grade (Fall 2019)
  • Florida Hospital Celebration Health
    A
    Hospital safety grade (Fall 2019)
  • Florida Hospital East Orlando MRI
    A
    Hospital safety grade (Fall 2019)
  • Florida Hospital Medical Center - Orlando
    A
    Hospital safety grade (Fall 2019)
  • Winter Park Memorial Hospital
    A
    Hospital safety grade (Fall 2019)
  • Florida Hospital Kissimmee
    B
    Hospital safety grade (Fall 2019)
  • Orlando Health South Seminole Behavioral Healthcare
    B
    Hospital safety grade (Fall 2019)

Insurance accepted

Always check coverage with your doctor’s office.

  • Aetna
  • Anthem
  • Arkansas Blue Cross and Blue Shield
  • Assurant Health
  • AvMed
  • Blue Cross Blue Shield of Arizona
  • Blue Cross Blue Shield of Massachusetts
  • Blue Cross Blue Shield of Michigan
  • Blue Cross and Blue Shield of Alabama
  • Blue Cross and Blue Shield of Florida
  • Blue Cross and Blue Shield of Illinois
  • Blue Cross and Blue Shield of Kansas
  • Blue Cross and Blue Shield of Kansas City
  • Blue Cross and Blue Shield of Louisiana
  • Blue Cross and Blue Shield of Minnesota
  • Blue Cross and Blue Shield of Mississippi
  • Blue Cross and Blue Shield of Montana
  • Blue Cross and Blue Shield of Nebraska
  • Blue Cross and Blue Shield of New Mexico
  • Blue Cross and Blue Shield of North Dakota
  • Blue Cross and Blue Shield of Oklahoma
  • Blue Cross and Blue Shield of Rhode Island
  • Blue Cross and Blue Shield of Texas
  • Blue Cross and Blue Shield of Vermont
  • Blue Cross and Blue Shield of Wyoming
  • Blue Cross of Idaho
  • Blue Shield of California
  • BlueCross BlueShield of South Carolina
  • BlueCross BlueShield of Tennessee
  • CareFirst BlueCross BlueShield
  • Cigna
  • CoreSource
  • Coventry Health Care
  • Cross and Blue Shield of North Carolina
  • Harvard Pilgrim Health Care
  • Health First
  • Highmark Blue Cross Blue Shield
  • Horizon Blue Cross Blue Shield of New Jersey
  • Humana
  • Independence Blue Cross AmeriHealth
  • Medicare
  • Meritain Health
  • Premera Blue Cross
  • Regence Blue Cross Blue Shield
  • TRICARE
  • United Healthcare
  • Wellmark Blue Cross and Blue Shield