OrganizationActive
Harbor Hill Dental, LLC
NPI 1437375557 · Dentist · St James, NY
Harbor Hill Dental, LLC is a Dentist organization in St James, NY (NPI 1437375557).
Provider details
- NPI number
- 1437375557
- Entity type
- Organization
- Primary specialty
- DentistDental Providers
- Organization subpart
- No
- Authorized official
- Steven Grandillo, Owner(631) 686-5042
- License
- 048345 (NY)
Specialties & taxonomies
Dental Providers
Profile Score
Detailed profile(89/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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.
Practice location
556-20 North Country Road
St James, NY 11780
Phone: (631) 686-5042
Fax: (631) 686-5044
Approximate (ZIP-level) locationGet directions
Mailing address
556-20 North Country Road
St James, NY 11780
Registry dates
- Enumerated
- 2007-04-17
- Last updated
- 2020-08-22
Frequently asked questions
- What is Harbor Hill Dental, LLC's NPI number?
- Harbor Hill Dental, LLC's National Provider Identifier (NPI) is 1437375557, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Harbor Hill Dental, LLC?
- Harbor Hill Dental, LLC is classified in the NPPES registry as Dentist (Dental Providers).
- Where is Harbor Hill Dental, LLC located?
- Harbor Hill Dental, LLC's practice location on file with NPPES is 556-20 North Country Road, St James, NY 11780.
- What is Harbor Hill Dental, LLC's phone number?
- The practice phone number listed in the NPPES registry for Harbor Hill Dental, LLC is (631) 686-5042.
- Who is the authorized official for Harbor Hill Dental, LLC?
- The authorized official listed on Harbor Hill Dental, LLC's NPPES record is Steven Grandillo, Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Harbor Hill Dental, LLC's NPI active?
- Yes — Harbor Hill Dental, LLC's NPI (1437375557) is active in the NPPES registry as of the last update on 2020-08-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.