What is Gregory St Clair's NPI number?

Gregory St Clair's National Provider Identifier (NPI) is 1104919463, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Gregory St Clair's specialty?

Gregory St Clair is listed in the NPPES registry with a primary specialty of General Practice Dentistry (Dental Providers).

Where is Gregory St Clair located?

Gregory St Clair's practice location on file with NPPES is 101 Hoyt Ln, Port Jefferson, NY 11777-1318.

What is Gregory St Clair's phone number?

The practice phone number listed in the NPPES registry for Gregory St Clair is (631) 928-1957.

Is Gregory St Clair's NPI active?

Yes — Gregory St Clair's NPI (1104919463) is active in the NPPES registry as of the last update on 2007-07-08.

IndividualActive

Gregory St Clair, D.D.S.

NPI 1104919463 · General Practice Dentistry · Port Jefferson, NY

Gregory St Clair, D.D.S. is a General Practice Dentistry provider in Port Jefferson, NY (NPI 1104919463).

Provider details

NPI number: 1104919463
Entity type: Individual
Primary specialty: General Practice DentistryDental Providers
Credential: D.D.S.
Sex: Male
Sole proprietor: Yes
License: 043675 (NY)

Specialties & taxonomies

General Practice DentistryPrimary1223G0001XLicense 043675 (NY)
Dental Providers

Profile Score

Detailed profile(90/100 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

101 Hoyt Ln

Port Jefferson, NY 11777-1318

Phone: (631) 928-1957

Street-level locationGet directions

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Mailing address