Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Allergy/Immunology

Colin D. Freccia, MD

Sees patients in Chicago, IL · Illinois

Summary

Colin D. Freccia, MD (Allergy/Immunology) is enrolled with Medicare at 2 practice locations in Chicago, IL. NPI 1659405231. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Colin D. Freccia, 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

Allergy/ImmunologyPrimary specialty
YesAccepts Medicare assignment
20Years since medical school (graduated 2006)
University Of North Carolina At Chapel Hill School Of MedicineMedical school
MaleGender (as listed)
Allergy Partners PLLCGroup practice

Quick answers

Where does Colin D. Freccia see patients?
Medicare's clinician data lists 2 practice locations, including Chicago, IL. Call before your visit to confirm the address.
What is Colin D. Freccia's specialty?
Medicare lists Allergy/Immunology as the primary specialty.
Does Colin D. Freccia accept Medicare assignment?
Yes. Medicare's clinician data says Colin D. Freccia 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 Colin D. Freccia?
(773) 883-0274, as listed in official Medicare / NPI Registry data.
What is Colin D. Freccia's NPI number?
1659405231. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where Colin D. Freccia is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Colin D. Freccia as a member of this group (CMS data updated 2026-10-02).

  • Allergy Partners PLLC143 clinicians in the group

Specialties

Find other Allergy/Immunology doctors in Illinois →

Other allergist and immunologists in Chicago

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

All allergist and immunologists in Chicago →

Clinician information

CredentialMD
Medical schoolUniversity Of North Carolina At Chapel Hill School Of Medicine
Graduation year2006
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1659405231
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. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians