Daniel G Koster MD Sc

Daniel G Koster MD Sc is a healthcare organization registered as Surgery Physician in Green Bay, WI, holding Type 2 (organization) NPI 1720137656 since 2007. The authorized official on file is Denise Stroobants, Provider Clinic Maintenance.

✓ Active NPI ✓ Valid NPI checksum

NPI	1720137656
Entity type	Organization (Type 2)
Legal business name	Daniel G Koster MD Sc
Practice address	744 S WEBSTER AVE FL 5, Green Bay, WI, 54301
Phone	9204333486
Enumeration date	2007-01-09
Last updated in NPPES	2025-09-11

Authorized official

Name	Denise Stroobants
Title	Provider Clinic Maintenance
Phone	9204457222

Taxonomy & classification

Taxonomy code	Specialty	Primary	License	State
207Q00000X	Family Medicine Physician	Secondary	—	—
208600000X	Surgery Physician	Primary	—	—

Copy-ready billing details

Provider: Daniel G Koster MD Sc
NPI: 1720137656
Taxonomy: 208600000X (Surgery Physician)
Address: 744 S WEBSTER AVE FL 5, Green Bay, WI, 54301

Verify this record

Cross-check NPI 1720137656 against the authoritative CMS record: view Daniel G Koster MD Sc on the official NPPES registry .

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 or validate an NPI number.

Frequently asked questions

Where is Daniel G Koster MD Sc 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 2025-09-11. Verify at npiregistry.cms.hhs.gov.

Source: CMS NPPES (public data). Snapshot 2026-07-11. Provider record last updated 2025-09-11.