Alexandra M. Herweck, MD, MPH
NPI 1609453257ActiveIndividual· Obstetrics & Gynecology, Reproductive Endocrinology· Chicago, IL
Obstetrics & Gynecology, Reproductive Endocrinology (MD, MPH) with Northwestern Medical Faculty Foundation, practicing in Chicago, Illinois. Enrolled in Medicare as practitioner - obstetrics/gynecology. Organon LLC reported $29.08 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1609453257 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD, MPH |
| Sole proprietor | No |
| NPI issued | Mar 28, 2021 |
| Last updated in NPPES | Nov 20, 2025 |
| Certified by provider | Nov 20, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Obstetrics & Gynecology, Reproductive Endocrinology Primary | 207VE0102X | 036.174659 | IL |
| Obstetrics & Gynecology | 207V00000X | 036174659 | 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) |
|---|
Education and affiliations
| Graduation year | 2021 |
|---|---|
| Medicare specialty | Obstetrics/Gynecology |
Medical group
- Northwestern Medical Faculty FoundationChicago, IL · 4,503 clinicians
Industry payments (Open Payments)
- 2025$29.08 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Organon LLC | $29.08 | 1 |
What the 2025 payments were for
- Food and Beverage$29.08 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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