DR. STEVEN WILLIAM ZILS MD
NPI 1659451425
Emergency Medicine in Grafton, WI

Active since October 16, 2006PECOS Enrolled
975 PORT WASHINGTON RD, EMERGENCY MEDICINE DEPARTMENT, GRAFTON, WI 53024(262) 329-1000 Get Directions Write a Review

NPPES record last updated: February 12, 2025. Verified against the NPPES registry weekly; last sync: August 23, 2026.

Record update history: Feb 12, 2025, Dec 29, 2021 (2 updates tracked since 2021).

About Dr. Steven William Zils Md NPPES

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

DR. STEVEN WILLIAM ZILS MD (NPI 1659451425) is an individual emergency medicine provider in Grafton, Wisconsin, licensed in Wisconsin (51337) and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1659451425
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameDR. STEVEN WILLIAM ZILSCredential: MD
Location Address975 PORT WASHINGTON RD, EMERGENCY MEDICINE DEPARTMENTGrafton, WI 53024-9201
Mailing AddressPo Box 735044Chicago, IL 60673-5044 · (800) 326-2250
Sole ProprietorNo
Enumeration DateOctober 16, 2006
Last NPPES UpdateFebruary 12, 20252 updates tracked since enumeration
NPPES CertifiedFebruary 12, 2025
NPI 1659451425 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License Licensed in WI · 51337
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
975 PORT WASHINGTON RD, Grafton, WI 53024

Other Identifiers 1

Medicaid100002081WI

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Dr. Steven William Zils Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 2

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Emergency department visit with high level of medical decision making 99285
An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.
78 services77 patients
Emergency department visit with moderate level of medical decision making 99284
An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.
33 services33 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 53024 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$82.92 typical visit price
range $53.90 – $163.24
Typical copayment $20.73 (range $13.47 – $40.81)
Most-billed visit code 99203
Established Patient
$95.41 typical visit price
range $17.40 – $133.76
Typical copayment $23.85 (range $4.35 – $33.44)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

Physical Therapist
975 PORT WASHINGTON RD
GRAFTON, WI 53024
Nurse Practitioner (Acute Care)
975 PORT WASHINGTON RD
GRAFTON, WI 53024
Pharmacist
975 PORT WASHINGTON RD
GRAFTON, WI 53024
Physician Assistant
975 PORT WASHINGTON RD
GRAFTON, WI 53024
Internal Medicine (Interventional Cardiology)
975 PORT WASHINGTON RD
GRAFTON, WI 53024
Nurse Practitioner
975 PORT WASHINGTON RD
GRAFTON, WI 53024
Hospitalist
975 PORT WASHINGTON RD
GRAFTON, WI 53024
Speech-Language Pathologist
975 PORT WASHINGTON RD
GRAFTON, WI 53024

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 Zils's NPI number?

The NPI number for Steven Zils is 1659451425. It was assigned to this individual provider in the NPPES registry on October 16, 2006.

Where is Steven Zils located?

Steven Zils practices at 975 Port Washington Rd Emergency Medicine Department, Grafton, WI 53024. The listed phone number is (262) 329-1000.

What is Steven Zils's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Steven Zils enrolled in Medicare?

Yes. Steven Zils is registered in the Medicare PECOS enrollment system.

What insurance does Steven Zils accept?

Health plans from CareSource (Common Ground Healthcare) list Steven Zils as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Steven Zils was last updated on February 12, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 months 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.