IndividualActive
David Seyfert
NPI 1942874177 · Early Intervention Provider Agency · Stony Brook, NY
David Seyfert is a Early Intervention Provider Agency provider in Stony Brook, NY (NPI 1942874177).
Provider details
- NPI number
- 1942874177
- Entity type
- Individual
- Primary specialty
- Early Intervention Provider AgencyAgencies
- Sex
- Male
- Sole proprietor
- Yes
Specialties & taxonomies
Agencies
Profile Score
Established profile(56/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
5 yrs in NPPES registry
- Profile completeness38% of score
83% 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
12 Sand St
Stony Brook, NY 11790-1406
Phone: (631) 682-5531
Street-level locationGet directions
Mailing address
Po Box 404
Stony Brook, NY 11790-0404
Registry dates
- Enumerated
- 2021-05-13
- Last updated
- 2021-05-13
- Certified
- 2021-05-13
Frequently asked questions
- What is David Seyfert's NPI number?
- David Seyfert's National Provider Identifier (NPI) is 1942874177, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is David Seyfert's specialty?
- David Seyfert is listed in the NPPES registry with a primary specialty of Early Intervention Provider Agency (Agencies).
- Where is David Seyfert located?
- David Seyfert's practice location on file with NPPES is 12 Sand St, Stony Brook, NY 11790-1406.
- What is David Seyfert's phone number?
- The practice phone number listed in the NPPES registry for David Seyfert is (631) 682-5531.
- Is David Seyfert's NPI active?
- Yes — David Seyfert's NPI (1942874177) is active in the NPPES registry as of the last update on 2021-05-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.