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Marc Greenstein Acupuncture, Pllc.

Acupuncturist in East Setauket, NY · enumerated 2019 · authorized official Marc Greenstein, President.

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

National Provider Identifier

1316591969

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Registry record

Entity type Organization (Type 2)
Legal business name Marc Greenstein Acupuncture, Pllc.
Practice address 6 S Jersey Ave, East Setauket, NY, 11733
Enumeration date Jul 31, 2019
Last updated in NPPES Jul 31, 2019

Taxonomy & classification

171100000X Acupuncturist Other Service Providers Primary

Authorized official

Name Marc Greenstein
Title President

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.

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Frequently asked questions

Who is the authorized official for Marc Greenstein Acupuncture, Pllc.?
NPPES lists Marc Greenstein (President) as the authorized official for this organization.
What is the NPI number for Marc Greenstein Acupuncture, Pllc.?
The NPI for Marc Greenstein Acupuncture, Pllc. is 1316591969, 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 2019-07-31.