Jeffrey Seiver, DDS
NPI 1144215930 · General Practice Dentistry · Stony Brook, NY
Enrolled with Medicare as Order and Referring Only - Dentist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jeffrey Seiver, DDS is a General Practice Dentistry provider in Stony Brook, NY (NPI 1144215930).
Provider details
- NPI number
- 1144215930
- Entity type
- Individual
- Primary specialty
- General Practice DentistryDental Providers
- Credential
- DDS
- Sex
- Male
- Sole proprietor
- Yes
- License
- 039345 (NY)
Specialties & taxonomies
Dental Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 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
Mailing address
Registry dates
- Enumerated
- 2005-09-16
- Last updated
- 2025-10-08
- Certified
- 2025-10-08
Frequently asked questions
- What is Jeffrey Seiver's NPI number?
- Jeffrey Seiver's National Provider Identifier (NPI) is 1144215930, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jeffrey Seiver's specialty?
- Jeffrey Seiver is listed in the NPPES registry with a primary specialty of General Practice Dentistry (Dental Providers).
- Where is Jeffrey Seiver located?
- Jeffrey Seiver's practice location on file with NPPES is 148 Westchester Hall, Stony Brook, NY 11794-0001.
- What is Jeffrey Seiver's phone number?
- The practice phone number listed in the NPPES registry for Jeffrey Seiver is (631) 638-8986.
- Does Jeffrey Seiver accept Medicare?
- Jeffrey Seiver is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jeffrey Seiver's NPI active?
- Yes — Jeffrey Seiver's NPI (1144215930) is active in the NPPES registry as of the last update on 2025-10-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.