Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mr. John David Sisti, OSC

Q: What is the NPI number for John Sisti?

The National Provider Identifier (NPI) for John Sisti is 1013277276, a Type 1 (individual) record in the CMS NPPES registry.

Case Manager/Care Coordinator in Orchard Park, NY · enumerated 2012.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1013277276

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Registry record

Entity type Individual (Type 1)

Name Mr. John David Sisti

Credential OSC

Sex Male

Practice address 6167 W Quaker St, Orchard Park, NY, 14127

Phone (716) 662-5609

Fax (716) 662-5700

Enumeration date May 22, 2012

Last updated in NPPES May 22, 2012

Taxonomy & licenses

171M00000X Case Manager/Care Coordinator Other Service Providers Primary

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

What is the NPI number for John Sisti?

The National Provider Identifier (NPI) for John Sisti is 1013277276, a Type 1 (individual) record in the CMS NPPES registry.

Where does John Sisti practice?

The practice location on file with NPPES is in Orchard Park, NY. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2012-05-22.