Adam Mendel Sonabend Worthalter, M.D.
NPI 1023261138ActiveIndividual· Neurological Surgery· Chicago, IL
Neurological Surgery (M.D.) with Northwestern Medical Faculty Foundation, practicing in Chicago, Illinois. Mostly services rather than prescriptions: Medicare paid $95,815 for 91 patients in 2024, with only 12 Part D claims. Telix Pharmaceuticals reported $52.68 in payments in 2024, mostly food and beverage. Lists Northwestern Memorial Hospital as a hospital affiliation.
Overview
| NPI | 1023261138 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Nov 3, 2008 |
| Last updated in NPPES | Jul 21, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Neurological Surgery Primary | 207T00000X | 036143155 | 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 - Neurosurgery (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 91 |
|---|---|
| Services billed | 244 across 36 procedure codes |
| Paid by Medicare | $95,815 |
Part D prescriptions in 2024
| Prescriptions (claims) | 12 · 20 30-day fills |
|---|---|
| Total drug cost | $360.91 |
| Generic share | 100% of claims |
Education and affiliations
| Graduation year | 2007 |
|---|---|
| Medicare specialty | Neurosurgery |
| Telehealth | Offers telehealth |
Medical group
- Northwestern Medical Faculty FoundationChicago, IL · 4,503 clinicians
Hospital affiliation
- Northwestern Memorial HospitalChicago, IL
Industry payments (Open Payments)
- 2024$52.68 · 1 payment from 1 company
Top paying companies in 2024
| Company | Amount | Payments |
|---|---|---|
| Telix Pharmaceuticals | $52.68 | 1 |
What the 2024 payments were for
- Food and Beverage$52.68 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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