Evelyn E. Chen, M.D.
NPI 1164412342ActiveIndividual· Obstetrics & Gynecology· Elmhurst, IL
Obstetrics & Gynecology (M.D.) with Advocate Health and Hospitals Corporation, practicing in Elmhurst, Illinois. 121 Medicare patients in 2024, $9,607 paid; nearly all of their 127 Part D prescriptions were generic (97%). Coopersurgical, Inc. reported $38.08 in payments in 2025, mostly food and beverage. Lists Advocate Good Samaritan Hospital and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1164412342 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Oct 27, 2005 |
| Last updated in NPPES | Oct 18, 2022 |
| Certified by provider | Oct 18, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Obstetrics & Gynecology Primary | 207V00000X | 036-088305 | 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 - Obstetrics/Gynecology (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 121 |
|---|---|
| Services billed | 170 across 19 procedure codes |
| Paid by Medicare | $9,607 |
Part D prescriptions in 2024
| Prescriptions (claims) | 127 · 265 30-day fills |
|---|---|
| Patients | 44 |
| Total drug cost | $8,088 |
| Generic share | 97% of claims |
Education and affiliations
| Graduation year | 1990 |
|---|---|
| Medicare specialty | Obstetrics/Gynecology |
Medical group
- Advocate Health and Hospitals CorporationChicago, IL · 3,118 clinicians
Hospital affiliations
- Advocate Good Samaritan HospitalDowners Grove, IL
- Elmhurst Memorial HospitalElmhurst, IL
- Uchicago Medicine Adventhealth HinsdaleHinsdale, IL
Industry payments (Open Payments)
- 2025$38.08 · 2 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Coopersurgical, Inc. | $38.08 | 2 |
What the 2025 payments were for
- Food and Beverage$38.08 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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