# GUILLERMO MARRERO, MD
> **INTERNAL MEDICINE** · OVIEDO, FL
## Provider
- **NPI:** 1245211044
- **Credential:** MD
- **Primary specialty:** INTERNAL MEDICINE
- **Gender:** Male
- **Medical school:** OTHER
- **Graduation year:** 1993
## Practice
- **Address:** 1000 EXECUTIVE DR, OVIEDO, FL 327658140
- **Phone:** 4079711970
- **Accepts Medicare assignment:** Yes (individual)
- **Telehealth:** No
## Source
- [NPI Registry](https://npiregistry.cms.hhs.gov/provider-view/1245211044)
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