Dr. Mary Grace Santos M.D.
About this NPIWhat this record shows.
NPI 1669647772 is registered to Dr. Mary Grace Santos M.D., a Geriatric Medicine (Internal Medicine) Physician practising at 736 Route 4, Suite 103 in Sinajana, Guam. Geriatric Medicine (Internal Medicine) Physician is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Dr. Mary Grace Santos M.D. has been enumerated in the National Provider Identifier (NPI) registry since 2008.
Your brand here.
Insurance & acceptsHow to confirm coverage.
The National Plan and Provider Enumeration System (NPPES) registry does not include commercial insurance network data, so we cannot show which plans Dr. Mary Grace Santos M.D. accepts. To confirm in-network status with your specific health plan, contact Dr. Mary Grace Santos M.D. directly at (671) 649-7232.
Frequently asked
Yes. NPI 1669647772 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Geriatric Medicine (Internal Medicine) Physician is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy.
The CMS NPPES Public Registry at npiregistry.cms.hhs.gov is the authoritative source. FindMyNPI mirrors this dataset and refreshes monthly. For real-time verification, you can also call the provider's office at (671) 649-7232.
An individual healthcare provider has a single Type-1 NPI for life. Organisations can hold separate Type-2 NPIs per location, specialty, or sub-entity. Dr. Mary Grace Santos M.D. is a Type-1 individual NPI.