Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Green Bay Cardiothoracic & Vascular, LLC

Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician in Green Bay, WI · enumerated 2009 · authorized official Maryjo Holewinski, Office Manager.

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

National Provider Identifier

1518104470

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Registry record

Entity type Organization (Type 2)

Legal business name Green Bay Cardiothoracic & Vascular, LLC

Practice address 720 So. Vanburen Street, Suite 303, Green Bay, WI, 54301

Phone (920) 433-9621

Fax (920) 433-0565

Enumeration date Jan 14, 2009

Last updated in NPPES Jan 21, 2009

Taxonomy & classification

208G00000X Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician Allopathic & Osteopathic Physicians Primary

Authorized official

Name Maryjo Holewinski

Title Office Manager

Phone (920) 433-9621

Other identifiers

Identifier	Type	State	Issuer
32897600	Medicaid	WI	-
1659412401	Other	WI	MEDICARE NPI

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

Where is Green Bay Cardiothoracic & Vascular, LLC located?

The practice location on file with NPPES is in Green Bay, WI.

How current is this record?

Data comes from the CMS NPPES public dissemination file; this record was last updated in NPPES on 2009-01-21. Verify at npiregistry.cms.hhs.gov.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2009-01-21.