Clarence Duncan, LCSW
NPI 1720226624 · Clinical Social Worker · Bronx, NY
Clarence Duncan, LCSW is a Clinical Social Worker provider in Bronx, NY (NPI 1720226624).
Provider details
- NPI number
- 1720226624
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Male
- Sole proprietor
- Yes
- License
- 074064-1 (NY)
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
17 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
- 2009-01-30
- Last updated
- 2009-02-04
Frequently asked questions
- What is Clarence Duncan's NPI number?
- Clarence Duncan's National Provider Identifier (NPI) is 1720226624, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Clarence Duncan's specialty?
- Clarence Duncan is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Clarence Duncan located?
- Clarence Duncan's practice location on file with NPPES is 2855 White Plains Rd, Bronx, NY 10467-8114.
- What is Clarence Duncan's phone number?
- The practice phone number listed in the NPPES registry for Clarence Duncan is (718) 881-8200.
- Is Clarence Duncan's NPI active?
- Yes — Clarence Duncan's NPI (1720226624) is active in the NPPES registry as of the last update on 2009-02-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.