Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Cardiovascular Imaging Medical Group

Cardiovascular Disease Physician in Van Nuys, CA · enumerated 2006 · authorized official John Tsakonas, President.

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

National Provider Identifier

1164487799

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Registry record

Entity type Organization (Type 2)

Legal business name Cardiovascular Imaging Medical Group

Practice address 15107 Vanowen St, Van Nuys, CA, 91405

Phone (818) 782-5041

Enumeration date Apr 18, 2006

Last updated in NPPES Apr 21, 2008

Taxonomy & classification

207RC0000X Cardiovascular Disease Physician Allopathic & Osteopathic Physicians Primary

Authorized official

Name John Tsakonas

Title President

Phone (818) 782-5041

Other identifiers

Identifier	Type	State	Issuer
GR0085470	Medicaid	CA	-

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 Cardiovascular Imaging Medical Group?

Cardiovascular Imaging Medical Group is registered in NPPES as a Cardiovascular Disease Physician (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.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2008-04-21.