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Radiation Oncology

Paul Crossan, MD

Works at hospitals in Oak Lawn, IL · Chicago, IL · Aurora, IL … · Illinois

Summary

Paul Crossan, MD (Radiation Oncology) is listed by Medicare at 5 hospitals in Oak Lawn, IL, Chicago, IL and Aurora, IL and other places. NPI 1669465936. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Paul Crossan, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Radiation OncologyPrimary specialty
YesAccepts Medicare assignment
26Years since medical school (graduated 2000)
Loyola University Of Chicago, Stritch School Of MedicineMedical school
MaleGender (as listed)
Specialty Physicians of Illinois LLCGroup practice (+1 more)

Quick answers

Which hospitals does Paul Crossan work at?
Medicare's official clinician data lists Paul Crossan at 5 hospitals: Advocate Christ Hospital & Medical Center, Advocate Trinity Hospital, Presence Mercy Medical Center, Saint Joseph Medical Center and Silver Cross Hospital and Medical Centers. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Paul Crossan see patients?
Medicare's clinician data lists 2 practice locations, including Hazel Crest, IL and Olympia Fields, IL. Call before your visit to confirm the address.
What is Paul Crossan's specialty?
Medicare lists Radiation Oncology as the primary specialty.
Does Paul Crossan accept Medicare assignment?
Yes. Medicare's clinician data says Paul Crossan accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for Paul Crossan?
(708) 799-9995, as listed in official Medicare / NPI Registry data.
What is Paul Crossan's NPI number?
1669465936. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Paul Crossan works

Medicare's Facility Affiliation Data lists Paul Crossan at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Paul Crossan is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Paul Crossan as a member of these groups (CMS data updated 2026-10-02).

  • Specialty Physicians of Illinois LLC102 clinicians in the group
  • Affiliated Oncologists LLC44 clinicians in the group

Specialties

Find other Radiation Oncology doctors in Illinois →

Other radiation oncologists in Hazel Crest

Clinicians with the same Medicare primary specialty in Hazel Crest, IL — not a recommendation.

All radiation oncologists in Hazel Crest →

Clinician information

CredentialMD
Medical schoolLoyola University Of Chicago, Stritch School Of Medicine
Graduation year2000
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1669465936
CorrectionsReport 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

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians