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DR. STEVEN MATHER KOTSONIS M.D.
NPI 1306017991
General Practice in Pewaukee, WI

Active since March 21, 2008
1109 CECELIA DR, PEWAUKEE, WI 53072(262) 373-6733(262) 373-6018 Get Directions Write a Review

NPPES record last updated: June 27, 2018. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Jun 27, 2018, Feb 1, 2016 (2 updates tracked since 2016).

About Dr. Steven Mather Kotsonis M.d. NPPES

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

DR. STEVEN MATHER KOTSONIS M.D. (NPI 1306017991) is an individual general practice provider in Pewaukee, Wisconsin, licensed in Wisconsin (53437-20) and active in the NPI registry since March 2008.

NPPES Registry Identity

NPI1306017991
Entity TypeIndividualMale
Primary Taxonomy208D00000X
Provider Legal NameDR. STEVEN MATHER KOTSONISCredential: M.D.
Location Address1109 CECELIA DRPewaukee, WI 53072-2524
Mailing Address12420 W Hampton Ave #89Butler, WI 53007-0089 · (262) 373-6733 · Fax (262) 373-6018
Phone(262) 373-6733
Fax(262) 373-6018
Sole ProprietorYes
Enumeration DateMarch 21, 2008
Last NPPES UpdateJune 27, 20182 updates tracked since enumeration
✔ NPI 1306017991 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyGeneral PracticeAllopathic & Osteopathic Physicians
Taxonomy Code208D00000X
License✔ Licensed in WI · 53437-20
Definition
A physician who specializes in the general practice of diagnosing, treating, and managing patients with a variety of illnesses and conditions. Source: National Uniform Claim Committee
1109 CECELIA DR, Pewaukee, WI 53072
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Other Identifiers 1

Medicaid100031662WI

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 Steven Kotsonis's NPI number?

The NPI number for Steven Kotsonis is 1306017991. It was assigned to this individual provider in the NPPES registry on March 21, 2008.

Where is Steven Kotsonis located?

Steven Kotsonis practices at 1109 Cecelia Dr, Pewaukee, WI 53072. The listed phone number is (262) 373-6733.

What is Steven Kotsonis's specialty?

The primary specialty registered for this NPI is General Practice with taxonomy code 208D00000X.

When was this NPI record last updated?

The NPPES record for Steven Kotsonis was last updated on June 27, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.