Molly K. O'Brien, PA-C
NPI 1437713930ActiveIndividual· Physician Assistant· Winfield, IL
Physician Assistant (PA-C) with Endeavor Health Medical Group, practicing in Winfield, Illinois. Their prescriptions cost Medicare Part D more than their services did: $15,173 for 157 claims, against $3,217 paid for services in 2024. Solventum Corporation reported $35.71 in payments in 2025, mostly food and beverage. Lists Northshore University Healthsystem - Evanston Hospital as a hospital affiliation.
Overview
| NPI | 1437713930 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | No |
| NPI issued | Apr 30, 2019 |
| Last updated in NPPES | Aug 24, 2026 |
| Certified by provider | Aug 24, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | 085007099 | IL |
| Physician Assistant, Surgical | 363AS0400X | 085007099 | 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 - Physician Assistant (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 42 |
|---|---|
| Services billed | 60 across 6 procedure codes |
| Paid by Medicare | $3,217 |
Part D prescriptions in 2024
| Prescriptions (claims) | 157 · 268 30-day fills |
|---|---|
| Patients | 53 |
| Total drug cost | $15,173 |
| Generic share | 89% of claims |
Education and affiliations
| Graduation year | 2018 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical group
- Endeavor Health Medical GroupEvanston, IL · 3,350 clinicians
Hospital affiliation
Industry payments (Open Payments)
- 2025$35.71 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Solventum Corporation | $35.71 | 1 |
What the 2025 payments were for
- Food and Beverage$35.71 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 32 physician assistants in Winfield · All physician assistants in Illinois