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MARVIN DUNCAN LCSW
NPI 1609607498
Social Worker - Clinical in Canandaigua, NY

Active since August 12, 2024PECOS EnrolledAccepts Medicare Assignment
3019 COUNTY COMPLEX DR, CANANDAIGUA, NY 14424(585) 396-4363(585) 396-4993 Get Directions Write a Review

NPPES record last updated: December 30, 2025. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Dec 30, 2025, Aug 12, 2024 (2 updates tracked since 2024).

About Marvin Duncan Lcsw NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MARVIN DUNCAN LCSW (NPI 1609607498) is an individual clinical provider in Canandaigua, New York, licensed in New York (099380) and active in the NPI registry since August 2024. He is enrolled in Medicare PECOS and is a graduate of Other (2019).

NPPES Registry Identity

NPI1609607498
Entity TypeIndividualMale
Primary Taxonomy1041C0700X
Provider Legal NameMARVIN DUNCANCredential: LCSW
Location Address3019 COUNTY COMPLEX DRCanandaigua, NY 14424-9505
Mailing Address3019 County Complex DrCanandaigua, NY 14424-9505 · (585) 396-4363 · Fax (585) 396-4993
Phone(585) 396-4363
Fax(585) 396-4993
Sole ProprietorNo
Medical School CMSOtherGraduated 2019
Enumeration DateAugust 12, 2024
Last NPPES UpdateDecember 30, 20252 updates tracked since enumeration
NPPES CertifiedDecember 30, 2025
✔ NPI 1609607498 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
License✔ Licensed in NY · 099380
Definition
A social worker who holds a master's or doctoral degree in social work from an accredited school of social work in addition to at least two years of post-master's supervised experience in a clinical setting. The social worker must be licensed, certified, or registered at the clinical level in the jurisdiction of practice. A clinical social worker provides direct services, including interventions focused on interpersonal interactions, intrapsychic dynamics, and life management issues. Clinical social work services are based on bio-psychosocial perspectives. Services consist of assessment, diagnosis, treatment (including psychotherapy and counseling), client-centered advocacy, consultation, evaluation, and prevention of mental illness, emotional, or behavioral disturbances.
3019 COUNTY COMPLEX DR, Canandaigua, NY 14424
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Marvin Duncan Lcsw is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID8527544576
PECOS Enrollment IDI20260109001678
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment– Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Marvin Duncan reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Ontario County
Same address
Social Worker
3019 COUNTY COMPLEX DR
Canandaigua, NY 14424
  • Reassigned Medicare billing, New York enrollment
  • 21 clinicians in this Medicare group
NPI 1003802190 (585) 396-4363

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 14424 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$0.00 typical visit price
range $54.87 – $166.88
Typical copayment $0.00 (range $13.71 – $41.72)
Most-billed visit code NA
Established Patient
$68.57 typical visit price
range $17.54 – $136.14
Typical copayment $17.14 (range $4.38 – $34.03)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

ONTARIO COUNTY
Social Worker
3019 COUNTY COMPLEX DR
CANANDAIGUA, NY 14424
Ontario County (585) 396-4363
MR. THOMAS J. STREB
Counselor (Addiction (Substance Use Disorder))
3019 COUNTY COMPLEX DR
CANANDAIGUA, NY 14424
Ontario County (585) 396-4190
MS. LINDSEY L. PETERSON
Counselor
3019 COUNTY COMPLEX DR
CANANDAIGUA, NY 14424
Ontario County (585) 396-4190
DIANE LYNN JOHNSTON LCSW-R
Social Worker (Clinical)
3019 COUNTY COMPLEX DR
CANANDAIGUA, NY 14424
Ontario County (585) 396-4363
MR. SHAFEEGH HABEEB
Counselor
3019 COUNTY COMPLEX DR
CANANDAIGUA, NY 14424
Ontario County (585) 396-4190
LILAH J CRELLEY LMSW
Social Worker
3019 COUNTY COMPLEX DR
CANANDAIGUA, NY 14424
Ontario County (585) 396-4363
DEBORAH SUE GILLMOR-MROZ
Case Manager/Care Coordinator
3019 COUNTY COMPLEX DR
CANANDAIGUA, NY 14424
Ontario County (585) 396-8849
ONTARIO COUNTY
Public Health or Welfare
3019 COUNTY COMPLEX DR
CANANDAIGUA, NY 14424
Ontario County (585) 396-4354

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Marvin Duncan's NPI number?

The NPI number for Marvin Duncan is 1609607498. It was assigned to this individual provider in the NPPES registry on August 12, 2024.

Where is Marvin Duncan located?

Marvin Duncan practices at 3019 County Complex Dr, Canandaigua, NY 14424. The listed phone number is (585) 396-4363.

What is Marvin Duncan's specialty?

The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.

Is Marvin Duncan enrolled in Medicare?

Yes. Marvin Duncan is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Marvin Duncan's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Marvin Duncan reassigns Medicare benefits to Ontario County (Canandaigua, NY). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Marvin Duncan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Marvin Duncan was last updated on December 30, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.