Nancy Hoyt Duncan, LMSW
NPI 1598059404 · Clinical Social Worker · Huntington, NY
Nancy Hoyt Duncan, LMSW is a Clinical Social Worker provider in Huntington, NY (NPI 1598059404).
Provider details
- NPI number
- 1598059404
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LMSW
- Sex
- Female
- Sole proprietor
- Yes
- License
- 0904006324 (VA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
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
15 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
- 2011-06-08
- Last updated
- 2015-03-03
Frequently asked questions
- What is Nancy Hoyt Duncan's NPI number?
- Nancy Hoyt Duncan's National Provider Identifier (NPI) is 1598059404, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nancy Hoyt Duncan's specialty?
- Nancy Hoyt Duncan is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Nancy Hoyt Duncan located?
- Nancy Hoyt Duncan's practice location on file with NPPES is 177 Main St, Huntington, NY 11743-6917.
- What is Nancy Hoyt Duncan's phone number?
- The practice phone number listed in the NPPES registry for Nancy Hoyt Duncan is (631) 662-9330.
- Is Nancy Hoyt Duncan's NPI active?
- Yes — Nancy Hoyt Duncan's NPI (1598059404) is active in the NPPES registry as of the last update on 2015-03-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.