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DR JOHN DUFFY
NPI 1689719502
Chiropractor in Waltham, MA

Active since February 20, 2007
425 RIVER ST, WALTHAM, MA 02453(781) 894-4270(781) 894-0461 Get Directions Write a Review

NPPES record last updated: December 21, 2009. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr John Duffy NPPES

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

DR JOHN DUFFY (NPI 1689719502) is a healthcare organization registered as a chiropractor in Waltham, Massachusetts and active in the NPI registry since February 2007. The organization lists John Cassidy Duffy, Dr President, as its authorized official.

NPPES Registry Identity

NPI1689719502
Entity TypeOrganization
Primary Taxonomy111N00000X
Legal Business NameWALTHAM CHIROPRACTIC PC
Location Address425 RIVER STWaltham, MA 02453
Mailing Address425 River StWaltham, MA 02453 · (781) 894-4270 · Fax (781) 894-0461
Phone(781) 894-4270
Fax(781) 894-0461
Organization SubpartNo
Authorized OfficialJohn Cassidy DuffyDr President · (781) 894-4270
Enumeration DateFebruary 20, 2007
Last NPPES UpdateDecember 21, 2009
✔ NPI 1689719502 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyChiropractorChiropractic Providers
Taxonomy Code111N00000X
License✔ Licensed in MA · 1644
Definition
A provider qualified by a Doctor of Chiropractic (D.C.), licensed by the State and who practices chiropractic medicine -that discipline within the healing arts which deals with the nervous system and its relationship to the spinal column and its interrelationship with other body systems.
425 RIVER ST, Waltham, MA 02453
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Other Names 1

Other NameDr John Duffy

Other Identifiers 2

Medicaid79917MA
Medicare ID-Type UnspecifiedY36152MA

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield.Insurance ›

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 Waltham Chiropractic PC's NPI number?

The NPI number for Waltham Chiropractic PC is 1689719502. It was assigned to this organization in the NPPES registry on February 20, 2007. The provider is also known as Dr John Duffy.

Where is Waltham Chiropractic PC located?

Waltham Chiropractic PC is located at 425 River St, Waltham, MA 02453. The listed phone number is (781) 894-4270.

What is Waltham Chiropractic PC's specialty?

The primary specialty registered for this NPI is Chiropractor with taxonomy code 111N00000X.

What insurance does Waltham Chiropractic PC accept?

Health plans from Anthem Blue Cross and Blue Shield list Waltham Chiropractic PC as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Waltham Chiropractic PC was last updated on December 21, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.