Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Callahan Chiropractic, Inc.

Q: What type of organization is Callahan Chiropractic, Inc.?

Callahan Chiropractic, Inc. is registered in NPPES as a Chiropractor (its primary provider taxonomy).

Chiropractor in Amesbury, MA · enumerated 2008 · authorized official James Callahan, Owner/ Chiropractor.

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

National Provider Identifier

1972765964

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Registry record

Entity type Organization (Type 2)

Legal business name Callahan Chiropractic, Inc.

Practice address 42 Friend St, Suite A, Amesbury, MA, 01913

Phone (978) 834-3033

Fax (978) 834-3031

Enumeration date Jun 30, 2008

Last updated in NPPES Jun 30, 2008

Taxonomy & classification

111N00000X Chiropractor Chiropractic Providers · License 2787 (MA) Primary

Authorized official

Name James Callahan

Title Owner/ Chiropractor

Phone (978) 834-3033

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 a Type 2 NPI?

A Type 2 NPI identifies an organization (group practice, hospital, pharmacy, lab), while Type 1 NPIs identify individual providers. Organizations bill under their Type 2 NPI.

What type of organization is Callahan Chiropractic, Inc.?

Callahan Chiropractic, Inc. is registered in NPPES as a Chiropractor (its primary provider taxonomy).

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2008-06-30.