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Allergy/Immunology

Christina E. Ciaccio, MD

Works at hospitals in Chicago, IL · Illinois

Summary

Dr. Christina E. Ciaccio, MD is an allergist and immunologist at 10855 Virginia St, Crown Point, IN 46307. Phone: (888) 824-0200. Accepts Medicare assignment. In 2024, Christina E. Ciaccio had 19 Original Medicare patients and 35 services. NPI 1760555858. 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.

  • Specialty: Allergist and immunologist (Medicare lists Allergy/Immunology)
  • Address: 10855 Virginia St, Crown Point, IN 46307 · Directions (2 more locations)
  • Phone: (888) 824‑0200
  • Medicare: Accepts Medicare assignment
  • Hospital: The University of Chicago Medical Center
  • Group practice: University of Chicago (+1 more)
  • Medical school: Georgetown University School Of Medicine · graduated 2002 (24 years since medical school)
  • Gender (as listed): Female
  • Telehealth: offered

From official Medicare data

This page shows what Medicare's official clinician data says about Christina E. Ciaccio, 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 Christina E. Ciaccio accept Medicare assignment?
Yes. Medicare's clinician data says Christina E. Ciaccio 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 Christina E. Ciaccio see?
In 2024, CMS data shows 19 Original Medicare patients and 35 services for Christina E. Ciaccio. This counts Original Medicare only and measures volume, not quality.
What is Christina E. Ciaccio's NPI number?
1760555858. 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 Christina E. Ciaccio, 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 patients19
Services billed to Medicare35
Different services or procedures9
Participating Medicare providerYes
Average age of these patients71

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 pressure74%
  • High cholesterol74%
  • Arthritis63%

Hospitals where Christina E. Ciaccio works

Medicare's Facility Affiliation Data lists Christina E. Ciaccio 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 Christina E. Ciaccio is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Christina E. Ciaccio as a member of these groups (CMS data updated October 2, 2026).

  • University of Chicago1,712 clinicians in the group
  • The University of Chicago Medical Center915 clinicians in the group

Specialties

Find other Allergy/Immunology doctors in Indiana →

Other allergist and immunologists in Indiana

Clinicians with the same Medicare primary specialty in Indiana — not a recommendation.

All allergist and immunologists in Indiana →

Other clinicians in University of Chicago

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

Clinician information

CredentialMD
Medical schoolGeorgetown University School Of Medicine
Graduation year2002 (24 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1760555858
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