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

Dr. Guillermo Rafael Armaiz, MD

Individual provider Internal Medicine Physician · NPI 1598740920

Dr. Guillermo Rafael Armaiz, MD is an Internal Medicine Physician in Vega Baja, Puerto Rico. Practices as a sole proprietor. Licensed in Puerto Rico.

Licensed in
PR
In the registry since
2005
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address may be wrong

The ZIP code does not match the city and state on this record. Call before visiting.

50 Jose J Acosta St
Vega Baja, PR 00693
Phone: (787) 858-6077
Fax: (787) 858-6704

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 6843 (PR)

Record details

NPI number1598740920
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedDecember 8, 2005
Last updated in NPPESDecember 17, 2009

Other providers in Vega Baja