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Diagnostic Radiology

Catherine M. Montalbano, MD

Works at hospitals in Barrington, IL · Chicago, IL · Park Ridge, IL · Illinois

Summary

Dr. Catherine M. Montalbano, MD is a radiologist at 1775 Dempster St, Park Ridge, IL 60068. Phone: (847) 723-2210. Accepts Medicare assignment. In 2024, Catherine M. Montalbano had 1,345 Original Medicare patients and 1,812 services. NPI 1285652636. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

From official Medicare data

This page shows what Medicare's official clinician data says about Catherine M. Montalbano, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Catherine M. Montalbano accept Medicare assignment?
Yes. Medicare's clinician data says Catherine M. Montalbano 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 Catherine M. Montalbano see?
In 2024, CMS data shows 1,345 Original Medicare patients and 1,812 services for Catherine M. Montalbano. This counts Original Medicare only and measures volume, not quality.
What is Catherine M. Montalbano's NPI number?
1285652636. 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 Catherine M. Montalbano, 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 patients1,345
Services billed to Medicare1,812
Different services or procedures78
Participating Medicare providerYes
Average age of these patients75

Most frequent services

  1. Ct scan of chest without contrast (71250)258 services
  2. Ct scan of abdomen and pelvis with contrast (74177)209 services
  3. Ct scan of chest with contrast (71260)181 services
  4. Low dose ct scan of chest for lung cancer screening (71271)114 services
  5. Ultrasound of both sides of head and neck blood flow (93880)106 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%
  • Arthritis52%
  • Ischemic heart disease45%
  • Diabetes33%
  • Chronic kidney disease33%

Hospitals where Catherine M. Montalbano works

Medicare's Facility Affiliation Data lists Catherine M. Montalbano 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.

Practice locations

Addresses where Catherine M. Montalbano is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 6; the Medicare profile lists all.

Group practices

Medicare enrollment lists Catherine M. Montalbano as a member of these groups (CMS data updated October 2, 2026).

  • Advocate Health and Hospitals Corporation3,118 clinicians in the group
  • Integrated Imaging Consultants LLC159 clinicians in the group

Specialties

Find other Diagnostic Radiology doctors in Illinois →

Other radiologists in Park Ridge

Clinicians with the same Medicare primary specialty in Park Ridge, IL — not a recommendation.

All radiologists in Park Ridge →

Other clinicians in Advocate Health and Hospitals Corporation

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Medical schoolRush Medical College Of Rush University
Graduation year1993 (33 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1285652636
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 October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians