Steven Zangan
NPI 1164631479 · Vascular & Interventional Radiology Physician · Chicago, IL
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Steven Zangan is a Vascular & Interventional Radiology Physician provider in Chicago, IL (NPI 1164631479).
Provider details
- NPI number
- 1164631479
- Entity type
- Individual
- Primary specialty
- Vascular & Interventional Radiology PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- No
- License
- 036109966 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,569 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. 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 .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| X-Ray of Chest, 1 View71045 | 817 | $9 |
| X-Ray of Chest, 2 Views71046 | 233 | $11 |
| Ct Scan of Chest Without Contrast71250 | 84 | $55 |
| Ct Scan of Chest With Contrast71260 | 68 | $57 |
| Ct Scan of Blood Vessels of Chest With Contrast71275 | 68 | $91 |
| Fluoroscopic Guidance for Insertion Or Removal of Central Vein Access Device77001 | 44 | $20 |
| X-Ray of Chest, 2 Views71046 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$668 across 8 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-05-22
- Last updated
- 2022-10-24
Frequently asked questions
- What is Steven Zangan's NPI number?
- Steven Zangan's National Provider Identifier (NPI) is 1164631479, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Steven Zangan's specialty?
- Steven Zangan is listed in the NPPES registry with a primary specialty of Vascular & Interventional Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Steven Zangan located?
- Steven Zangan's practice location on file with NPPES is 5841 S Maryland Ave, Chicago, IL 60637-1443.
- What is Steven Zangan's phone number?
- The practice phone number listed in the NPPES registry for Steven Zangan is (888) 824-0200.
- Does Steven Zangan accept Medicare?
- Steven Zangan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Steven Zangan's NPI active?
- Yes — Steven Zangan's NPI (1164631479) is active in the NPPES registry as of the last update on 2022-10-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.