IndividualActive
Grant Layton, D.M.D.
NPI 1588918908 · Endodontics · Tamuning, GU
Grant Layton, D.M.D. is a Endodontics provider in Tamuning, GU (NPI 1588918908).
Provider details
- NPI number
- 1588918908
- Entity type
- Individual
- Primary specialty
- EndodonticsDental Providers
- Credential
- D.M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 8311802-9922 (UT)
Specialties & taxonomies
Dental Providers
Profile Score
Detailed profile(79/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
13 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Mailing address
Psc 455 Box 208
Fpo, AP 96540-0003
Registry dates
- Enumerated
- 2012-11-07
- Last updated
- 2026-02-09
- Certified
- 2026-02-09
Frequently asked questions
- What is Grant Layton's NPI number?
- Grant Layton's National Provider Identifier (NPI) is 1588918908, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Grant Layton's specialty?
- Grant Layton is listed in the NPPES registry with a primary specialty of Endodontics (Dental Providers).
- Where is Grant Layton located?
- Grant Layton's practice location on file with NPPES is 50 Farenholt Ave, Tamuning, GU 96913-3106.
- What is Grant Layton's phone number?
- The practice phone number listed in the NPPES registry for Grant Layton is (671) 344-9269.
- Is Grant Layton's NPI active?
- Yes — Grant Layton's NPI (1588918908) is active in the NPPES registry as of the last update on 2026-02-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.