Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum Organization subpart

Prospect Diagnostic Imaging

Q: What type of organization is Prospect Diagnostic Imaging?

Prospect Diagnostic Imaging is registered in NPPES as a Radiology Clinic/Center (its primary provider taxonomy).

Radiology Clinic/Center in Prospect, CT · enumerated 2006 · authorized official Robert Gumbardo, Medical Director.

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

National Provider Identifier

1154343739

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Registry record

Entity type Organization (Type 2)

Legal business name Prospect Diagnostic Imaging

Parent organization Naugatuck Valley Radiological Assoc.

Practice address 166 Waterbury Road, Rte 69, Prospect, CT, 06712

Phone (203) 758-7700

Enumeration date Jul 24, 2006

Last updated in NPPES Jun 6, 2013

Taxonomy & classification

261QM1200X Magnetic Resonance Imaging (MRI) Clinic/Center Ambulatory Health Care Facilities Secondary

261QR0200X Radiology Clinic/Center Ambulatory Health Care Facilities Primary

Authorized official

Name Robert Gumbardo

Title Medical Director

Phone (203) 264-7999

Other identifiers

Identifier	Type	State	Issuer
004221363	Medicaid	CT	-

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 type of organization is Prospect Diagnostic Imaging?

Prospect Diagnostic Imaging is registered in NPPES as a Radiology Clinic/Center (its primary provider taxonomy).

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.

Providers at this address

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Greater Waterbury Primary Care Assoc Internal Medicine Physician · Prospect, CT NPI 1033167804

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2013-06-06.