Marvin Duncan, LCSW
NPI 1609607498 · Clinical Social Worker · Canandaigua, NY
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marvin Duncan, LCSW is a Clinical Social Worker provider in Canandaigua, NY (NPI 1609607498).
Provider details
- NPI number
- 1609607498
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Male
- Sole proprietor
- No
- License
- 099380 (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
1 yr 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
- 2024-08-12
- Last updated
- 2025-12-30
- Certified
- 2025-12-30
Frequently asked questions
- What is Marvin Duncan's NPI number?
- Marvin Duncan's National Provider Identifier (NPI) is 1609607498, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marvin Duncan's specialty?
- Marvin Duncan is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Marvin Duncan located?
- Marvin Duncan's practice location on file with NPPES is 3019 County Complex Dr, Canandaigua, NY 14424-9505.
- What is Marvin Duncan's phone number?
- The practice phone number listed in the NPPES registry for Marvin Duncan is (585) 396-4363.
- Does Marvin Duncan accept Medicare?
- Marvin Duncan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marvin Duncan's NPI active?
- Yes — Marvin Duncan's NPI (1609607498) is active in the NPPES registry as of the last update on 2025-12-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.