Colin Freccia, M.D.
NPI 1659405231ActiveIndividual· Allergy & Immunology· Chicago, IL
Allergy & Immunology (M.D.) in Chicago, Illinois, trained at University of North Carolina at Chapel Hill School of Medicine (class of 2006). In 2024 Medicare paid $20,400 for 78 patients, and Part D covered 87 of their prescriptions, 61% of them generic. Genzyme Corporation was the largest of 18 companies reporting payments in 2025, $2,779 in all, mostly food and beverage.
Overview
| NPI | 1659405231 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Mar 15, 2007 |
| Last updated in NPPES | Jan 26, 2024 |
| Certified by provider | Jan 26, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Allergy & Immunology Primary | 207K00000X | 036.123067 | IL |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Allergy/Immunology (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 78 |
|---|---|
| Services billed | 947 across 14 procedure codes |
| Paid by Medicare | $20,400 |
Part D prescriptions in 2024
| Prescriptions (claims) | 87 · 123 30-day fills |
|---|---|
| Patients | 31 |
| Total drug cost | $14,405 |
| Generic share | 61% of claims |
Education and affiliations
| Medical school | University of North Carolina at Chapel Hill School of Medicine |
|---|---|
| Graduation year | 2006 |
| Medicare specialty | Allergy/Immunology |
Medical group
- Allergy Partners PLLCFishers, IN · 143 clinicians
Industry payments (Open Payments)
- 2025$2,779 · 130 payments from 18 companies
- 2024$1,851 · 82 payments from 15 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Genzyme Corporation | $394.35 | 15 |
| Glaxosmithkline, LLC. | $388.95 | 24 |
| Ars Pharmaceuticals Operations, Inc. | $350.01 | 14 |
| Astrazeneca Pharmaceuticals LP | $306.53 | 19 |
| Novartis Pharmaceuticals Corporation | $286.97 | 14 |
What the 2025 payments were for
- Food and Beverage$2,779 · 130 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Allergy & Immunology providers in Chicago
- 1821246646
- 1417351305
- 1275063695
- 1942446760
- 1760836498
- 1154758985
- 1457677122
- 1942386008
- 1265792212
- 1982273413
- 1245961309
- 1558794446