Quick answers
- Does Steven M. Zangan accept Medicare assignment?
- Yes. Medicare's clinician data says Steven M. Zangan accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Steven M. Zangan see?
- In 2024, CMS data shows 1,221 Original Medicare patients and 2,153 services for Steven M. Zangan. This counts Original Medicare only and measures volume, not quality.
- What is Steven M. Zangan's NPI number?
- 1164631479. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Steven M. Zangan, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 1,221 |
|---|---|
| Services billed to Medicare | 2,153 |
| Different services or procedures | 116 |
| Participating Medicare provider | Yes |
| Average age of these patients | 70 |
Most frequent services
- X-ray of chest, 1 view (71045)817 services
- X-ray of chest, 2 views (71046)272 services
- Ct scan of chest without contrast (71250)115 services
- Ct scan of chest with contrast (71260)107 services
- Ct scan of blood vessels of chest with contrast (71275)68 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High blood pressure75%
- High cholesterol75%
- Arthritis53%
- Chronic kidney disease51%
- Diabetes49%
- Ischemic heart disease48%
Hospitals where Steven M. Zangan works
Medicare's Facility Affiliation Data lists Steven M. Zangan at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Community HospitalMunster, IN · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 150125
- Ingalls Memorial HospitalHarvey, IL · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 140191
- Methodist Hospitals IncGary, IN · Acute Care Hospital · Medicare rating: 1 of 5 stars · Emergency services: listed by Medicare · CCN 150002
- The University of Chicago Medical CenterChicago, IL · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 140088
- UChicago Medicine Northwest IndianaCrown Point, IN · Acute Care Hospital · Emergency services: listed by Medicare · CCN 150195
Practice locations
Addresses where Steven M. Zangan is enrolled with Medicare (CMS data updated October 2, 2026).
- 10855 Virginia StCrown Point, IN 46307 (888) 824‑0200
- 17805 Halsted StHomewood, IL 60430 (773) 702‑1000
- 47 W Polk St, Suite G1Chicago, IL 60605 (773) 702‑1000
Group practices
Medicare enrollment lists Steven M. Zangan as a member of this group (CMS data updated October 2, 2026).
- University of Chicago1,712 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
Other radiologists in Crown Point
Clinicians with the same Medicare primary specialty in Crown Point, IN — not a recommendation.
Other clinicians in University of Chicago
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Loyola University Of Chicago, Stritch School Of Medicine |
| Graduation year | 2001 (25 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1164631479 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians