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ALEXANDER ROSIEJKA
NPI 1255266557
Emergency Medicine in Milwaukee, WI

Active since June 17, 2026PECOS Enrolled
900 N 92ND ST, MILWAUKEE, WI 53226(920) 915-3221 Get Directions Write a Review

NPPES record last updated: June 17, 2026. Verified against the NPPES registry weekly; last sync: October 04, 2026.

About Alexander Rosiejka NPPES

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

ALEXANDER ROSIEJKA (NPI 1255266557) is an individual emergency medicine provider in Milwaukee, Wisconsin, licensed in Wisconsin (102345851) and active in the NPI registry since June 2026. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1255266557
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameALEXANDER ROSIEJKA
Location Address900 N 92ND STMilwaukee, WI 53226-1202
Mailing Address2951 N 90th StMilwaukee, WI 53222-4612 · (920) 915-3321
Phone(920) 915-3221
Sole ProprietorNo
Enumeration DateJune 17, 2026
NPPES CertifiedJune 16, 2026
✔ NPI 1255266557 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 · 102345851
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.
900 N 92ND ST, Milwaukee, WI 53226
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Other Names 1

Other Name (5)Alex Rosiejka

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Alexander Rosiejka 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 53226 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.

DR. MOLLY ELIZABETH LIDDELL DNP RN AGCNS-BC
Clinical Nurse Specialist
900 N 92ND ST
MILWAUKEE, WI 53226
Milwaukee County (414) 454-7154
MORGAN ELLEBRECHT
Pharmacist
900 N 92ND ST
MILWAUKEE, WI 53226
Milwaukee County (414) 805-3000
ADRIAN HEIN APNP, CRNA
Nurse Anesthetist, Certified Registered
900 N 92ND ST
MILWAUKEE, WI 53226
Milwaukee County (414) 805-3000
MR. CHRISTOPHER JAY SHICKLES OT
Occupational Therapist (Physical Rehabilitation)
900 N 92ND ST
WAUWATOSA, WI 53226
Milwaukee County (414) 805-2844
SETH SEVERSON CARROLL PHARMD
Pharmacist (Emergency Medicine)
900 N 92ND ST
MILWAUKEE, WI 53226
Milwaukee County (414) 805-3000
ANNA MARIE MONSON
Pharmacist
900 N 92ND ST
MILWAUKEE, WI 53226
Milwaukee County (414) 805-3000
AMY CONSOLAZIONE PHARMD
Pharmacist
900 N 92ND ST
MILWAUKEE, WI 53226
Milwaukee County (414) 805-5115
YOUJIA WANG MD
Student in an Organized Health Care Education/Training Program
900 N 92ND ST
MILWAUKEE, WI 53226
Milwaukee County (414) 955-8296

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 Alexander Rosiejka's NPI number?

The NPI number for Alexander Rosiejka is 1255266557. It was assigned to this individual provider in the NPPES registry on June 17, 2026. The provider is also known as Alex Rosiejka.

Where is Alexander Rosiejka located?

Alexander Rosiejka practices at 900 N 92nd St, Milwaukee, WI 53226. The listed phone number is (920) 915-3221.

What is Alexander Rosiejka's specialty?

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

Is Alexander Rosiejka enrolled in Medicare?

Yes. Alexander Rosiejka is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Alexander Rosiejka was last updated on June 17, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.