Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

C & S Diagnostics

Q: What type of organization is C & S Diagnostics?

C & S Diagnostics is registered in NPPES as a Radiology Clinic/Center (its primary provider taxonomy).

Radiology Clinic/Center in Alpharetta, GA · enumerated 2008 · authorized official John Carlyle, Managing Partner.

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

National Provider Identifier

1740440346

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Registry record

Entity type Organization (Type 2)

Legal business name C & S Diagnostics

Practice address 5515 Ashewoode Downs Dr, Alpharetta, GA, 30005

Phone (404) 401-3717

Enumeration date Jun 17, 2008

Last updated in NPPES Jan 20, 2009

Taxonomy & classification

261QR0200X Radiology Clinic/Center Ambulatory Health Care Facilities Primary

Authorized official

Name John Carlyle

Title Managing Partner

Phone (404) 401-3717

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 C & S Diagnostics?

C & S Diagnostics is registered in NPPES as a Radiology Clinic/Center (its primary provider taxonomy).

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2009-01-20.