Tiffany Yin Wong Chang, M.D.
NPI 1396915021ActiveIndividual· Pathology, Anatomic Pathology & Clinical Pathology· Winfield, IL
Pathology, Anatomic Pathology & Clinical Pathology (M.D.) in Winfield, Illinois, trained at University of Missouri, Kansas City, School of Medicine (class of 2002). Medicare paid $102,604 for services to 1,556 patients in 2024. Astrazeneca Pharmaceuticals LP reported $61.05 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1396915021 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Mar 10, 2008 |
| Last updated in NPPES | Jun 1, 2011 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Pathology, Anatomic Pathology & Clinical Pathology Primary | 207ZP0102X | 036112863 | 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 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Pathology (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 1,556 |
|---|---|
| Services billed | 4,005 across 36 procedure codes |
| Paid by Medicare | $102,604 |
Education and affiliations
| Medical school | University of Missouri, Kansas City, School of Medicine |
|---|---|
| Graduation year | 2002 |
| Medicare specialty | Pathology |
Medical group
- Winfield Pathology Consultants, S.C.Winfield, IL · 11 clinicians
Hospital affiliations
- Northwestern Medicine Central Dupage HospitalWinfield, IL
- Northwestern Medicine Delnor Community HospitalGeneva, IL
- Northwestern Medicine Kishwaukee HospitalDekalb, IL
- Northwestern Medicine McHenryMcHenry, IL
- Northwestern Memorial HospitalChicago, IL
Industry payments (Open Payments)
- 2025$61.05 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $61.05 | 1 |
What the 2025 payments were for
- Food and Beverage$61.05 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Pathology, Anatomic Pathology & Clinical Pathology providers in Winfield
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