Daniel T. Laich, D.O.
NPI 1558357046ActiveIndividual· Neurological Surgery· Chicago, IL
Neurological Surgery (D.O.) in Chicago, Illinois, trained at Midwestern University, Chicago College of Osteopathic Med (class of 1989). 156 Medicare patients in 2024, $99,071 paid; nearly all of their 294 Part D prescriptions were generic (99%). Biogen, Inc. was the largest of 6 companies reporting payments in 2025, $387.55 in all, mostly food and beverage.
Overview
| NPI | 1558357046 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O. |
| Sole proprietor | No |
| NPI issued | Sep 21, 2005 |
| Last updated in NPPES | Apr 12, 2021 |
| Certified by provider | Apr 12, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Neurological Surgery Primary | 207T00000X | 036-083697 | 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 - Neurosurgery (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 156 |
|---|---|
| Services billed | 517 across 51 procedure codes |
| Paid by Medicare | $99,071 |
Part D prescriptions in 2024
| Prescriptions (claims) | 294 · 341 30-day fills |
|---|---|
| Patients | 68 |
| Total drug cost | $6,412 |
| Generic share | 99% of claims |
Education and affiliations
| Medical school | Midwestern University, Chicago College of Osteopathic Med |
|---|---|
| Graduation year | 1989 |
| Medicare specialty | Neurosurgery |
| Telehealth | Offers telehealth |
Medical group
- Endeavor Health Medical GroupEvanston, IL · 3,350 clinicians
Hospital affiliations
- Edward HospitalNaperville, IL
- Northshore University Healthsystem - Evanston HospitalEvanston, IL
- Northwest Community Hospital 1Arlington Heights, IL
- Swedish HospitalChicago, IL
Industry payments (Open Payments)
- 2025$387.55 · 21 payments from 6 companies
- 2024$736.73 · 34 payments from 13 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Biogen, Inc. | $153.61 | 8 |
| Orthofix Medical, Inc. | $120.67 | 8 |
| Depuy Synthes Sales Inc. | $57.26 | 2 |
| Jazz Pharmaceuticals Inc. | $21.38 | 1 |
| Alexion Pharmaceuticals, Inc. | $17.39 | 1 |
What the 2025 payments were for
- Food and Beverage$387.55 · 21 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 187 neurosurgeons in Chicago · All neurosurgeons in Illinois