Jennifer Chang, MD
NPI 1073172508ActiveIndividual· Obstetrics & Gynecology· Orland Park, IL
Obstetrics & Gynecology (MD) in Orland Park, Illinois, trained at University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) (class of 2019). Their prescriptions cost Medicare Part D more than their services did: $10,877 for 73 claims, against $5,843 paid for services in 2024. Biogen, Inc. was the largest of 7 companies reporting payments in 2025, $205.91 in all, mostly food and beverage.
Overview
| NPI | 1073172508 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 9, 2019 |
| Last updated in NPPES | Oct 14, 2025 |
| Certified by provider | Oct 14, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Obstetrics & Gynecology Primary | 207V00000X | 036159746 | IL |
| Obstetrics & Gynecology | 207V00000X | 125.073888 | IL |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Obstetrics/Gynecology (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 38 |
|---|---|
| Services billed | 96 across 14 procedure codes |
| Paid by Medicare | $5,843 |
Part D prescriptions in 2024
| Prescriptions (claims) | 73 · 116 30-day fills |
|---|---|
| Patients | 28 |
| Total drug cost | $10,877 |
| Generic share | 79% of claims |
Education and affiliations
| Medical school | University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) |
|---|---|
| Graduation year | 2019 |
| Medicare specialty | Obstetrics/Gynecology |
Medical group
- OB-GYN Health Associates SCOrland Park, IL · 6 clinicians
Hospital affiliation
- Advocate Christ Hospital & Medical CenterOak Lawn, IL
Industry payments (Open Payments)
- 2025$205.91 · 11 payments from 7 companies
- 2024$177.44 · 9 payments from 6 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Biogen, Inc. | $76.10 | 5 |
| Pacira Pharmaceuticals Incorporated | $26.62 | 1 |
| Sumitomo Pharma America, Inc. | $25.88 | 1 |
| Organon LLC | $21.83 | 1 |
| Coopersurgical, Inc. | $21.63 | 1 |
What the 2025 payments were for
- Food and Beverage$205.91 · 11 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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