Eran Marion Hahn II, MD
NPI 1952396251ActiveIndividual· Obstetrics & Gynecology· Bridgeton, MO
Obstetrics & Gynecology (MD) with Physician Groups Lc and 1 other group, practicing in Bridgeton, Missouri. Their prescriptions cost Medicare Part D more than their services did: $59,470 for 352 claims, against $7,337 paid for services in 2024. Evofem Biosciences, Inc. was the largest of 8 companies reporting payments in 2025, $210.78 in all, mostly food and beverage. Lists Christian Hospital Northeast and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1952396251 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Sep 13, 2005 |
| Last updated in NPPES | Sep 22, 2025 |
| Certified by provider | Sep 22, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Obstetrics & Gynecology Primary | 207V00000X | 2003023593 | MO |
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 (MO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 70 |
|---|---|
| Services billed | 111 across 19 procedure codes |
| Paid by Medicare | $7,337 |
Part D prescriptions in 2024
| Prescriptions (claims) | 352 · 675 30-day fills |
|---|---|
| Patients | 148 |
| Total drug cost | $59,470 |
| Generic share | 82% of claims |
Education and affiliations
| Graduation year | 1999 |
|---|---|
| Medicare specialty | Obstetrics/Gynecology |
Medical groups
- Physician Groups LcFarmington, MO · 521 clinicians
- Missouri Baptist Hospital of SullivanSullivan, MO · 38 clinicians
Hospital affiliations
- Christian Hospital NortheastSaint Louis, MO
- Missouri Baptist Medical CenterSaint Louis, MO
- Ssm Health Depaul Hospital St LouisBridgeton, MO
Industry payments (Open Payments)
- 2025$210.78 · 11 payments from 8 companies
- 2024$573.66 · 30 payments from 14 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Evofem Biosciences, Inc. | $50.61 | 3 |
| Astellas Pharma US Inc | $46.33 | 2 |
| Organon LLC | $23.84 | 1 |
| Bayer Healthcare Pharmaceuticals Inc. | $20.16 | 1 |
| Provepharm Inc. | $18.33 | 1 |
What the 2025 payments were for
- Food and Beverage$210.78 · 11 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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