WILLIAM D SIFF LIC. AC.
NPI 1861638322
Acupuncturist in Florence, MA

Q: What is William Siff's NPI number?

The NPI number for William Siff is 1861638322. It was assigned to this individual provider in the NPPES registry on January 5, 2009.

Q: What is William Siff's specialty?

The primary specialty registered for this NPI is Acupuncturist with taxonomy code 171100000X.

Q: When was this NPI record last updated?

The NPPES record for William Siff was last updated on January 5, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 years 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.

Active since January 05, 2009

1 N MAIN ST, FLORENCE, MA 01062(413) 587-0620 Get Directions Write a Review

NPPES record last updated: January 5, 2009. Verified against the NPPES registry weekly; last sync: August 09, 2026.

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About William D Siff Lic. Ac. NPPES

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

WILLIAM D SIFF LIC. AC. (NPI 1861638322) is an individual acupuncturist in Florence, Massachusetts, licensed in Massachusetts (219534) and active in the NPI registry since January 2009.

NPPES Registry Identity

NPI1861638322

Entity TypeIndividualMale

Primary Taxonomy171100000X

Provider Legal NameWILLIAM D SIFFCredential: LIC. AC.

Location Address1 N MAIN STFlorence, MA 01062-1254

Mailing Address1 N Main StFlorence, MA 01062-1254 · (413) 587-0620

Phone(413) 587-0620

Sole ProprietorNo

Enumeration DateJanuary 5, 2009

✔ NPI 1861638322 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAcupuncturistOther Service Providers

Taxonomy Code171100000X

License✔ Licensed in MA · 219534

Definition

An acupuncturist is a person who performs ancient therapy for alleviation of pain, anesthesia and treatment of some diseases. Acupuncturists use long, fine needles inserted into specific points in order to treat painful conditions or produce anesthesia.

1 N MAIN ST, Florence, MA 01062

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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 Siff's NPI number?

The NPI number for William Siff is 1861638322. It was assigned to this individual provider in the NPPES registry on January 5, 2009.

Where is William Siff located?

William Siff practices at 1 N Main St, Florence, MA 01062. The listed phone number is (413) 587-0620.

What is William Siff's specialty?

The primary specialty registered for this NPI is Acupuncturist with taxonomy code 171100000X.

When was this NPI record last updated?

The NPPES record for William Siff was last updated on January 5, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 years 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.