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Daniel Dufrenoy
NPI 1346963949 · Specialist · Syosset, NY
Daniel Dufrenoy is a Specialist provider in Syosset, NY (NPI 1346963949).
Provider details
- NPI number
- 1346963949
- Entity type
- Individual
- Primary specialty
- SpecialistOther Service Providers
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Other Service Providers
Profile Score
Established profile(53/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
3 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
47 Humphrey Dr
Syosset, NY 11791-4022
Phone: (516) 921-7171
Street-level locationGet directions
Mailing address
47 Humphry Drive
Syosset, NY 11791
Registry dates
- Enumerated
- 2022-09-20
- Last updated
- 2022-09-20
- Certified
- 2022-09-20
Frequently asked questions
- What is Daniel Dufrenoy's NPI number?
- Daniel Dufrenoy's National Provider Identifier (NPI) is 1346963949, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Daniel Dufrenoy's specialty?
- Daniel Dufrenoy is listed in the NPPES registry with a primary specialty of Specialist (Other Service Providers).
- Where is Daniel Dufrenoy located?
- Daniel Dufrenoy's practice location on file with NPPES is 47 Humphrey Dr, Syosset, NY 11791-4022.
- What is Daniel Dufrenoy's phone number?
- The practice phone number listed in the NPPES registry for Daniel Dufrenoy is (516) 921-7171.
- Is Daniel Dufrenoy's NPI active?
- Yes — Daniel Dufrenoy's NPI (1346963949) is active in the NPPES registry as of the last update on 2022-09-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.