Megan Lynn McAllister, M.D.
NPI 1437191855ActiveIndividual· Emergency Medicine· Naperville, IL
Emergency Medicine (M.D.) in Naperville, Illinois, licensed in IL and CA, with an NPI issued in June 2006. 383 Medicare patients in 2024, $48,199 paid; nearly all of their 326 Part D prescriptions were generic (94%). Tg Therapeutics, Inc. reported $17.23 in payments in 2024, mostly food and beverage.
Overview
| NPI | 1437191855 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 11, 2006 |
| Last updated in NPPES | Nov 25, 2025 |
| Certified by provider | Nov 25, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Emergency Medicine Primary | 207P00000X | 036126448 | IL |
| Emergency Medicine | 207P00000X | A85608 | CA |
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 - Emergency Medicine (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 383 |
|---|---|
| Services billed | 591 across 25 procedure codes |
| Paid by Medicare | $48,199 |
Part D prescriptions in 2024
| Prescriptions (claims) | 326 · 327 30-day fills |
|---|---|
| Patients | 228 |
| Total drug cost | $5,858 |
| Generic share | 94% of claims |
Industry payments (Open Payments)
- 2024$17.23 · 1 payment from 1 company
Top paying companies in 2024
| Company | Amount | Payments |
|---|---|---|
| Tg Therapeutics, Inc. | $17.23 | 1 |
What the 2024 payments were for
- Food and Beverage$17.23 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 60 emergency medicine physicians in Naperville · All emergency medicine physicians in Illinois