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

Dr. Mary Grace Aguilar Santos, MD

Individual provider Internal Medicine Physician · NPI 1669647772

Dr. Mary Grace Aguilar Santos, MD is an Internal Medicine Physician in Sinajana, Guam. Licensed in Guam and Illinois. Registered with an NPI since 2008.

Licensed in
GU, IL
In the registry since
2008
Specialties on file
2
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.

736 Route 4 Ste 103
Sinajana, GU 96910-3368
Phone: (671) 649-7232
Fax: (671) 649-7233

Specialties & licences

Geriatric Medicine (Internal Medicine) Physician (primary) Taxonomy 207RG0300X · Licence M-1792 (GU)
Internal Medicine Physician Taxonomy 207R00000X · Licence 125052317 (IL)

Record details

NPI number1669647772
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 29, 2008
Last updated in NPPESJuly 28, 2016