Daniel Hartnett, LCSW
NPI 1932522091 · Clinical Social Worker · Sag Harbor, NY
Daniel Hartnett, LCSW is a Clinical Social Worker provider in Sag Harbor, NY (NPI 1932522091).
Provider details
- NPI number
- 1932522091
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Male
- Sole proprietor
- No
- License
- 069974-1 (NY)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
12 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
- 2014-01-27
- Last updated
- 2014-01-27
Frequently asked questions
- What is Daniel Hartnett's NPI number?
- Daniel Hartnett's National Provider Identifier (NPI) is 1932522091, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Daniel Hartnett's specialty?
- Daniel Hartnett is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Daniel Hartnett located?
- Daniel Hartnett's practice location on file with NPPES is 54 Cliff Dr, Sag Harbor, NY 11963-1805.
- What is Daniel Hartnett's phone number?
- The practice phone number listed in the NPPES registry for Daniel Hartnett is (631) 725-6032.
- Is Daniel Hartnett's NPI active?
- Yes — Daniel Hartnett's NPI (1932522091) is active in the NPPES registry as of the last update on 2014-01-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.