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

Dr. Grant Ronald Layton, DMD

Individual provider Endodontics · NPI 1588918908

Dr. Grant Ronald Layton, DMD is an Endodontics in Tamuning, Guam. Practices as a sole proprietor. Licensed in Utah.

Licensed in
UT
In the registry since
2012
What do these letters mean?
DMD — Doctor of Dental Medicine
A dentist. Identical training and licensing to a DDS.

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 Farenholt Ave
Tamuning, GU 96913-3106
Phone: (671) 344-9269

Specialties & licences

Endodontics (primary) Taxonomy 1223E0200X · Licence 8311802-9922 (UT)

Record details

NPI number1588918908
Entity typeIndividual (Type 1)
GenderMale
Credentials DMD
Sole proprietorYes
NPI enumeratedNovember 7, 2012
Last updated in NPPESFebruary 9, 2026
Certification dateFebruary 9, 2026

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