Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Grabow Endodontics, P.C.

Q: What type of organization is Grabow Endodontics, P.C.?

Grabow Endodontics, P.C. is registered in NPPES as a Endodontics (its primary provider taxonomy).

Endodontics in Chandler, AZ · enumerated 2007 · authorized official Michael Grabow, President.

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

National Provider Identifier

1417072976

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Registry record

Entity type Organization (Type 2)

Legal business name Grabow Endodontics, P.C.

Practice address 3800 W Ray Rd, Suite 7, Chandler, AZ, 85226

Phone (480) 857-4047

Fax (480) 857-4049

Enumeration date Mar 20, 2007

Last updated in NPPES Aug 22, 2020

Taxonomy & classification

1223E0200X Endodontics Dental Providers · License AZ 4842 (AZ) Primary

Authorized official

Name Michael Grabow

Title President

Phone (480) 857-4047

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 Grabow Endodontics, P.C.?

Grabow Endodontics, P.C. is registered in NPPES as a Endodontics (its primary provider taxonomy).

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2020-08-22.