Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Si Acupuncture PC

Q: What is the NPI number for Si Acupuncture PC?

The NPI for Si Acupuncture PC is 1790851657, a Type 2 (organization) record in the CMS NPPES registry.

Acupuncturist in Staten Island, NY · enumerated 2006 · authorized official Thomas Guarcello, Acupuncturist.

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

National Provider Identifier

1790851657

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Registry record

Entity type Organization (Type 2)

Legal business name Si Acupuncture PC

Practice address 330 Seguine Ave, Staten Island, NY, 10309

Phone (718) 356-9222

Fax (718) 605-4729

Enumeration date Nov 24, 2006

Last updated in NPPES Nov 8, 2007

Taxonomy & classification

171100000X Acupuncturist Other Service Providers · License 1458 (NY) Primary

Authorized official

Name Thomas Guarcello

Title Acupuncturist

Phone (718) 556-9300

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

Who is the authorized official for Si Acupuncture PC?

NPPES lists Thomas Guarcello (Acupuncturist) as the authorized official for this organization.

What is the NPI number for Si Acupuncture PC?

The NPI for Si Acupuncture PC is 1790851657, a Type 2 (organization) record in the CMS NPPES registry.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-11-08.