DR. JAROSLAW JANCZY MD
NPI 1871055533
Radiology - Neuroradiology in Milwaukee, WI

Active since April 02, 2019PECOS EnrolledAccepts Medicare Assignment
2900 W OKLAHOMA AVE, MILWAUKEE, WI 53215(414) 649-6000(414) 649-5296 Get Directions Write a Review

NPPES record last updated: August 6, 2025. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Aug 6, 2025, Jul 24, 2020, Apr 2, 2019 (3 updates tracked since 2019).

About Dr. Jaroslaw Janczy Md NPPES

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

DR. JAROSLAW JANCZY MD (NPI 1871055533) is an individual neuroradiology provider in Milwaukee, Wisconsin, licensed in Wisconsin (80060) and active in the NPI registry since April 2019. He is enrolled in Medicare PECOS, is affiliated with Aurora St Lukes Medical Center, and is a graduate of Medical College Of Wisconsin (2019).

NPPES Registry Identity

NPI1871055533
Entity TypeIndividualMale
Primary Taxonomy2085N0700X
Provider Legal NameDR. JAROSLAW JANCZYCredential: MD
Location Address2900 W OKLAHOMA AVEMilwaukee, WI 53215-4330
Mailing AddressPo Box 735044Chicago, IL 60673-5044 · (800) 326-2250
Fax(414) 649-5296
Sole ProprietorNo
Medical School CMSMedical College Of WisconsinGraduated 2019
Enumeration DateApril 2, 2019
Last NPPES UpdateAugust 6, 20253 updates tracked since enumeration
NPPES CertifiedAugust 6, 2025
✔ NPI 1871055533 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyRadiology · NeuroradiologyAllopathic & Osteopathic Physicians
Taxonomy Code2085N0700X
License✔ Licensed in WI · 80060
Definition
A radiologist who diagnoses and treats diseases utilizing imaging procedures as they relate to the brain, spine and spinal cord, head, neck and organs of special sense in adults and children.
Also ListedRadiology · Diagnostic RadiologyTaxonomy 2085R0202X · License 80060 (WI)
2900 W OKLAHOMA AVE, Milwaukee, WI 53215

Other Identifiers 1

Medicaid100282941WI

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Jaroslaw Janczy Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID3173065034
PECOS Enrollment IDI20250710000048
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.

Medicare Billing Reassignments

3

Medicare enrollment records show Jaroslaw Janczy reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Family Medicine
3301 W FOREST HOME AVE
Milwaukee, WI 53215
  • Reassigned Medicare billing, Wisconsin enrollment
  • 4,609 clinicians in this Medicare group
Family Medicine
2000 E LAYTON AVE STE 100
Saint Francis, WI 53235
  • Reassigned Medicare billing, Wisconsin enrollment
  • 960 clinicians in this Medicare group
Family Medicine
3003 W GOOD HOPE RD
Milwaukee, WI 53209
  • Reassigned Medicare billing, Wisconsin enrollment
  • 1,615 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Hospital Affiliations CMS Care Compare 5

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Aurora St Lukes Medical Center

Acute Care Hospitals · Milwaukee, WI
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number520138
Location2900 W Oklahoma AveMilwaukee, WI 53215 · Milwaukee County
Emergency services Birthing friendly

West Allis Memorial Hospital

Acute Care Hospitals · West Allis, WI
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number520139
Location8901 W Lincoln AveWest Allis, WI 53227 · Milwaukee County
Emergency services Birthing friendly

Aurora Medical Center Kenosha

Acute Care Hospitals · Kenosha, WI
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number520189
Location10400 75th StKenosha, WI 53142 · Kenosha County
Emergency services Birthing friendly

Aurora Medical Center - Summit

Acute Care Hospitals · Summit, WI
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number520206
Location36500 Aurora DriveSummit, WI 53066 · Waukesha County
Emergency services Birthing friendly

Aurora Medical Center

Acute Care Hospitals · Grafton, WI
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number520207
Location975 Port Washington RoadGrafton, WI 53024 · Ozaukee County
Emergency services Birthing friendly

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.

Clinic/Center (Primary Care)
2900 W OKLAHOMA AVE
MILWAUKEE, WI 53215
Anesthesiology
2900 W OKLAHOMA AVE
MILWAUKEE, WI 53215
Hospitalist
2900 W OKLAHOMA AVE
MILWAUKEE, WI 53215
Nurse Practitioner
2900 W OKLAHOMA AVE
MILWAUKEE, WI 53215
Physician Assistant
2900 W OKLAHOMA AVE, 5TH FLOOR GALLERIA
MILWAUKEE, WI 53215
Nurse Practitioner
2900 W OKLAHOMA AVE
MILWAUKEE, WI 53215
Physical Therapist
2900 W OKLAHOMA AVE
MILWAUKEE, WI 53215
Pharmacist
2900 W OKLAHOMA AVE
MILWAUKEE, WI 53215

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 Jaroslaw Janczy's NPI number?

The NPI number for Jaroslaw Janczy is 1871055533. It was assigned to this individual provider in the NPPES registry on April 2, 2019.

Where is Jaroslaw Janczy located?

Jaroslaw Janczy practices at 2900 W Oklahoma Ave, Milwaukee, WI 53215. The listed phone number is (414) 649-6000.

What is Jaroslaw Janczy's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Neuroradiology, with taxonomy code 2085N0700X.

Is Jaroslaw Janczy enrolled in Medicare?

Yes. Jaroslaw Janczy is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Jaroslaw Janczy's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Jaroslaw Janczy reassigns Medicare benefits to 3 organizations: Aurora Medical Group, Inc. (Milwaukee, WI), Lakeshore Medical Clinic, LLC (Saint Francis, WI) and Aurora Advanced Healthcare, Inc. (Milwaukee, WI). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Jaroslaw Janczy's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Jaroslaw Janczy accept?

Health plans from CareSource (Common Ground Healthcare) list Jaroslaw Janczy 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.

Is Jaroslaw Janczy affiliated with any hospitals?

According to CMS data, Jaroslaw Janczy is affiliated with Aurora St Lukes Medical Center, West Allis Memorial Hospital, Aurora Medical Center Kenosha, Aurora Medical Center - Summit and Aurora Medical Center.

When was this NPI record last updated?

The NPPES record for Jaroslaw Janczy was last updated on August 6, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.