Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

MR. WILLIAM EUGENE GRAPPONE MSW
NPI 1184602641
Social Worker - Clinical in Oneonta, NY

Active since January 05, 2006

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Mr. William Eugene Grappone Msw NPPES

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

MR. WILLIAM EUGENE GRAPPONE MSW (NPI 1184602641) is an individual clinical provider in Oneonta, New York, licensed in New York (0227071) and active in the NPI registry since January 2006.

NPPES Registry Identity

NPI1184602641
Entity TypeIndividualMale
Primary Taxonomy1041C0700X
Provider Legal NameMR. WILLIAM EUGENE GRAPPONECredential: MSW
Location Address34 MAIN STOneonta, NY 13820-1586
Mailing Address10 Telford StOneonta, NY 13820-1238 · (607) 432-9128
Sole ProprietorNo
Enumeration DateJanuary 5, 2006
Last NPPES UpdateJuly 13, 2026
NPI 1184602641 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 · 0227071
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.
34 MAIN ST, Oneonta, NY 13820

Other Identifiers 1

Other7403478002NY · Ghi

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 William Grappone's NPI number?

The NPI number for William Grappone is 1184602641. It was assigned to this individual provider in the NPPES registry on January 5, 2006.

Where is William Grappone located?

William Grappone practices at 34 Main St, Oneonta, NY 13820. The listed phone number is (607) 432-9128.

What is William Grappone's specialty?

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

When was this NPI record last updated?

The NPPES record for William Grappone was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 38 days 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.