Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Guillermo Marrero MD PA

Organization Internal Medicine Physician · NPI 1477845303

Guillermo Marrero MD PA is an Internal Medicine Physician in Oviedo, Florida. Licensed in Florida. Registered with an NPI since 2011.

Licensed in
FL
In the registry since
2011
What do these letters mean?
PA — Professional association
A form of business registration, not a clinical qualification.

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Practice location Address checks out

1000 Executive Dr Ste 1
Oviedo, FL 32765-8140
Phone: (407) 971-1970
Fax: (407) 331-4333
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence ME0074991 (FL)

Record details

NPI number1477845303
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Guillermo Marrero — Director · (407) 971-1970
Other names Oviedo Healthcare
NPI enumeratedMay 11, 2011
Last updated in NPPESMay 11, 2011
Mailing address1000 Executive Dr, Suite 1, Oviedo, FL 32765-8140

Other providers in Oviedo