SPENCER A KOSTKA
NPI 1699563841
Counselor - Addiction (Substance Use Disorder) in Oshkosh, WI

Active since April 28, 2025
220 WASHINGTON AVE, OSHKOSH, WI 54901(920) 236-4700 Get Directions Write a Review

NPPES record last updated: March 11, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Spencer A Kostka NPPES

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

SPENCER A KOSTKA (NPI 1699563841) is an individual addiction (substance use disorder) provider in Oshkosh, Wisconsin, licensed in Wisconsin (20547) and active in the NPI registry since April 2025.

NPPES Registry Identity

NPI1699563841
Entity TypeIndividualMale
Primary Taxonomy101YA0400X
Provider Legal NameSPENCER A KOSTKA
Location Address220 WASHINGTON AVEOshkosh, WI 54901-5030
Mailing Address220 Washington AveOshkosh, WI 54901-5030 · (920) 236-4700
Sole ProprietorNo
Enumeration DateApril 28, 2025
Last NPPES UpdateMarch 11, 2026
NPPES CertifiedMarch 11, 2026
NPI 1699563841 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyCounselor · Addiction (Substance Use Disorder)Behavioral Health & Social Service Providers
Taxonomy Code101YA0400X
License Licensed in WI · 20547
220 WASHINGTON AVE, Oshkosh, WI 54901

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Social Worker (Clinical)
220 WASHINGTON AVE
OSHKOSH, WI 54901
Nurse's Aide
220 WASHINGTON AVE
OSHKOSH, WI 54901
Case Manager/Care Coordinator
220 WASHINGTON AVE
OSHKOSH, WI 54901
Social Worker (Clinical)
220 WASHINGTON AVE
OSHKOSH, WI 54901
Case Manager/Care Coordinator
220 WASHINGTON AVE
OSHKOSH, WI 54901
Registered Nurse (Psychiatric/Mental Health)
220 WASHINGTON AVE
OSHKOSH, WI 54901
Social Worker (Clinical)
220 WASHINGTON AVE
OSHKOSH, WI 54901
Social Worker (Clinical)
220 WASHINGTON AVE
OSHKOSH, WI 54901

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 Spencer Kostka's NPI number?

The NPI number for Spencer Kostka is 1699563841. It was assigned to this individual provider in the NPPES registry on April 28, 2025.

Where is Spencer Kostka located?

Spencer Kostka practices at 220 Washington Ave, Oshkosh, WI 54901. The listed phone number is (920) 236-4700.

What is Spencer Kostka's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Addiction (Substance Use Disorder), with taxonomy code 101YA0400X.

When was this NPI record last updated?

The NPPES record for Spencer Kostka was last updated on March 11, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.