Gary A. Casaccio, M.D.
NPI 1063593721ActiveIndividual· Psychiatry & Neurology, Psychiatry· Wheaton, IL
Psychiatry & Neurology, Psychiatry (M.D.) with Alliance Clinical Associates SC, practicing in Wheaton, Illinois. Their prescriptions cost Medicare Part D more than their services did: $79,651 for 726 claims, against $6,206 paid for services in 2024. Otsuka America Pharmaceutical, Inc. was the largest of 9 companies reporting payments in 2025, $267.99 in all, mostly food and beverage.
Overview
| NPI | 1063593721 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Oct 18, 2006 |
| Last updated in NPPES | Aug 18, 2011 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Psychiatry & Neurology, Psychiatry Primary | 2084P0800X | 036-089544 | 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 - Psychiatry (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 51 |
|---|---|
| Services billed | 81 across 1 procedure code |
| Paid by Medicare | $6,206 |
Part D prescriptions in 2024
| Prescriptions (claims) | 726 · 1,288 30-day fills |
|---|---|
| Patients | 74 |
| Total drug cost | $79,651 |
| Generic share | 97% of claims |
Education and affiliations
| Graduation year | 1992 |
|---|---|
| Medicare specialty | Psychiatry |
| Telehealth | Offers telehealth |
Medical group
- Alliance Clinical Associates SCWheaton, IL · 19 clinicians
Industry payments (Open Payments)
- 2025$267.99 · 11 payments from 9 companies
- 2024$39.92 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Otsuka America Pharmaceutical, Inc. | $56.46 | 2 |
| Neurocrine Biosciences, Inc. | $42.02 | 2 |
| Corium, LLC | $34.74 | 1 |
| Collegium Pharmaceutical, Inc. | $24.52 | 1 |
| Tris Pharma Inc | $23.46 | 1 |
What the 2025 payments were for
- Food and Beverage$267.99 · 11 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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