Jaroslaw Janczy, MD
NPI 1871055533 · Neuroradiology Physician · Milwaukee, WI
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jaroslaw Janczy, MD is a Neuroradiology Physician provider in Milwaukee, WI (NPI 1871055533).
Provider details
- NPI number
- 1871055533
- Entity type
- Individual
- Primary specialty
- Neuroradiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 80060 (WI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
7 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2019-04-02
- Last updated
- 2025-08-06
- Certified
- 2025-08-06
Frequently asked questions
- What is Jaroslaw Janczy's NPI number?
- Jaroslaw Janczy's National Provider Identifier (NPI) is 1871055533, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jaroslaw Janczy's specialty?
- Jaroslaw Janczy is listed in the NPPES registry with a primary specialty of Neuroradiology Physician (Allopathic & Osteopathic Physicians).
- Where is Jaroslaw Janczy located?
- Jaroslaw Janczy's practice location on file with NPPES is 2900 W Oklahoma Ave, Milwaukee, WI 53215-4330.
- What is Jaroslaw Janczy's phone number?
- The practice phone number listed in the NPPES registry for Jaroslaw Janczy is (414) 649-6000.
- Does Jaroslaw Janczy accept Medicare?
- Jaroslaw Janczy is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jaroslaw Janczy's NPI active?
- Yes — Jaroslaw Janczy's NPI (1871055533) is active in the NPPES registry as of the last update on 2025-08-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.