1 NPI-registered Geriatric Medicine (Internal Medicine) Physician providers practice in Guam. See all states.
| Provider | Specialty | Location | NPI |
|---|---|---|---|
| Mary Grace SantosM.D. | Geriatric Medicine (Internal Medicine) Physician | Sinajana, GU | 1669647772 |
Source: CMS NPPES Data Dissemination (June 2026). Specialty taxonomy: NUCC.
