Anna Lynn Osmun, PA-C
NPI 1154656858ActiveIndividual· Physician Assistant· Geneva, IL
Physician Assistant (PA-C) with Northwestern Medical Faculty Foundation, practicing in Geneva, Illinois. Their prescriptions cost Medicare Part D more than their services did: $679,391 for 755 claims, against $40,892 paid for services in 2024. Abbvie Inc. was the largest of 3 companies reporting payments in 2024, $61.60 in all, mostly food and beverage. Lists Northwestern Medicine Central Dupage Hospital and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1154656858 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | No |
| NPI issued | Oct 14, 2009 |
| Last updated in NPPES | May 2, 2023 |
| Certified by provider | May 2, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | 085.003596 | 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 | 177 |
|---|---|
| Services billed | 444 across 10 procedure codes |
| Paid by Medicare | $40,892 |
Part D prescriptions in 2024
| Prescriptions (claims) | 755 · 1,037 30-day fills |
|---|---|
| Patients | 228 |
| Total drug cost | $679,391 |
| Generic share | 83% of claims |
Education and affiliations
| Graduation year | 2009 |
|---|---|
| Medicare specialty | Physician Assistant |
| Telehealth | Offers telehealth |
Medical group
- Northwestern Medical Faculty FoundationChicago, IL · 4,503 clinicians
Hospital affiliations
- Northwestern Medicine Central Dupage HospitalWinfield, IL
- Northwestern Medicine Delnor Community HospitalGeneva, IL
- Northwestern Medicine Kishwaukee HospitalDekalb, IL
- Northwestern Medicine McHenryMcHenry, IL
- Northwestern Memorial HospitalChicago, IL
Industry payments (Open Payments)
- 2024$61.60 · 3 payments from 3 companies
Top paying companies in 2024
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $25.36 | 1 |
| Novartis Pharmaceuticals Corporation | $19.24 | 1 |
| Genentech USA, Inc. | $17.00 | 1 |
What the 2024 payments were for
- Food and Beverage$61.60 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 32 physician assistants in Geneva · All physician assistants in Illinois