David A. Gelber, M.D.
NPI 1669571113ActiveIndividual· Psychiatry & Neurology, Neurology· Springfield, IL
Psychiatry & Neurology, Neurology (M.D.) in Springfield, Illinois, licensed in IL, with an NPI issued in September 2006. Their prescriptions cost Medicare Part D more than their services did: $6,141,023 for 6,935 claims, against $1,544,331 paid for services in 2024. Tg Therapeutics, Inc. was the largest of 2 companies reporting payments in 2025, $46.61 in all, mostly food and beverage.
Overview
| NPI | 1669571113 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Sep 21, 2006 |
| Last updated in NPPES | May 22, 2020 |
| Certified by provider | May 22, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Psychiatry & Neurology, Neurology Primary | 2084N0400X | 036-078804 | 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 - Neurology (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 700 |
|---|---|
| Services billed | 37,646 across 54 procedure codes |
| Paid by Medicare | $1,544,331 |
Part D prescriptions in 2024
| Prescriptions (claims) | 6,935 · 12,193 30-day fills |
|---|---|
| Patients | 780 |
| Total drug cost | $6,141,023 |
| Generic share | 92% of claims |
Industry payments (Open Payments)
- 2025$46.61 · 2 payments from 2 companies
- 2024$1,660 · 85 payments from 11 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Tg Therapeutics, Inc. | $25.57 | 1 |
| Genentech USA, Inc. | $21.04 | 1 |
What the 2025 payments were for
- Food and Beverage$46.61 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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