Allison Nichole Osen, MD
NPI 1528597945ActiveIndividual· Psychiatry & Neurology, Neurology· Palos Heights, IL
Psychiatry & Neurology, Neurology (MD) in Palos Heights, Illinois, trained at Indiana Medical College, School of Medicine of Purdue University (class of 2017). Their prescriptions cost Medicare Part D more than their services did: $1,136,664 for 1,173 claims, against $28,025 paid for services in 2024. Tg Therapeutics, Inc. was the largest of 3 companies reporting payments in 2025, $783.56 in all, mostly food and beverage.
Overview
| NPI | 1528597945 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 8, 2017 |
| Last updated in NPPES | Aug 30, 2023 |
| Certified by provider | Aug 30, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Psychiatry & Neurology, Neurology Primary | 2084N0400X | 036-157330 | IL |
| Student in an Organized Health Care Education/Training Program | 390200000X | 125070536 | 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 - Neurology (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 170 |
|---|---|
| Services billed | 300 across 14 procedure codes |
| Paid by Medicare | $28,025 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,173 · 1,755 30-day fills |
|---|---|
| Patients | 229 |
| Total drug cost | $1,136,664 |
| Generic share | 88% of claims |
Education and affiliations
| Medical school | Indiana Medical College, School of Medicine of Purdue University |
|---|---|
| Graduation year | 2017 |
| Medicare specialty | Neurology |
| Telehealth | Offers telehealth |
Medical group
- Rush University Medical GroupChicago, IL · 1,551 clinicians
Hospital affiliations
- Rush Oak Park HospitalOak Park, IL
- Rush University Medical CenterChicago, IL
Industry payments (Open Payments)
- 2025$783.56 · 16 payments from 3 companies
- 2024$3,359 · 115 payments from 28 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Tg Therapeutics, Inc. | $542.39 | 13 |
| Emd Serono, Inc. | $175.67 | 2 |
| Biogen, Inc. | $65.50 | 1 |
What the 2025 payments were for
- Food and Beverage$718.06 · 15 payments
- Education$65.50 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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