1. Home
  2. Directory
  3. Wisconsin
  4. Milwaukee
  5. Clinic Center
  6. NPI Profile

DR. JOSEPH S KOSTRZEWSKI SC
NPI 1386803757
Clinic/Center - Primary Care in Milwaukee, WI

Active since June 02, 2008
1717 W GREENFIELD AVE, MILWAUKEE, WI 53204(414) 671-1717(414) 671-5190 Get Directions Write a Review

NPPES record last updated: April 2, 2014. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. Joseph S Kostrzewski Sc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. JOSEPH S KOSTRZEWSKI SC (NPI 1386803757) is a healthcare organization registered as a primary care in Milwaukee, Wisconsin and active in the NPI registry since June 2008. The organization lists Joseph S Kostrzewski, Physician, as its authorized official.

NPPES Registry Identity

NPI1386803757
Entity TypeOrganization
Primary Taxonomy261QP2300X
Legal Business NameDR. JOSEPH S KOSTRZEWSKI SC
Location Address1717 W GREENFIELD AVEMilwaukee, WI 53204-2658
Mailing Address1717 W Greenfield AveMilwaukee, WI 53204-2658 · (414) 671-1717 · Fax (414) 671-5190
Phone(414) 671-1717
Fax(414) 671-5190
Organization SubpartNo
Authorized OfficialJoseph S KostrzewskiPhysician · (414) 617-1717
Enumeration DateJune 2, 2008
Last NPPES UpdateApril 2, 2014
✔ NPI 1386803757 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyClinic/Center · Primary CareAmbulatory Health Care Facilities
Taxonomy Code261QP2300X
License✔ Licensed in WI · 17121
1717 W GREENFIELD AVE, Milwaukee, WI 53204
Open in Google Maps ↗

Other Identifiers 1

Medicare PIN000080002WI

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Dr. Joseph S Kostrzewski Sc's NPI number?

The NPI number for Dr. Joseph S Kostrzewski Sc is 1386803757. It was assigned to this organization in the NPPES registry on June 2, 2008.

Where is Dr. Joseph S Kostrzewski Sc located?

Dr. Joseph S Kostrzewski Sc is located at 1717 W Greenfield Ave, Milwaukee, WI 53204. The listed phone number is (414) 671-1717.

What is Dr. Joseph S Kostrzewski Sc's specialty?

The primary specialty registered for this NPI is Clinic/Center, specializing in Primary Care, with taxonomy code 261QP2300X.

When was this NPI record last updated?

The NPPES record for Dr. Joseph S Kostrzewski Sc was last updated on April 2, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.