Sanjay K. Nigam, MD
NPI 1942278973ActiveIndividual· Psychiatry & Neurology, Psychiatry· Maryville, IL
Psychiatry & Neurology, Psychiatry (MD) with Southern Illinois Associates LLC, practicing in Maryville, Illinois. Their prescriptions cost Medicare Part D more than their services did: $709,574 for 4,270 claims, against $79,419 paid for services in 2024. Janssen Pharmaceuticals, Inc was the largest of 21 companies reporting payments in 2025, $33,169 in all, mostly speaking and faculty fees. Lists Memorial Hospital as a hospital affiliation.
Overview
| NPI | 1942278973 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Mar 8, 2006 |
| Last updated in NPPES | Dec 27, 2021 |
| Certified by provider | Dec 27, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Psychiatry & Neurology, Psychiatry Primary | 2084P0800X | 036107024 | 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 | 111 |
|---|---|
| Services billed | 719 across 16 procedure codes |
| Paid by Medicare | $79,419 |
Part D prescriptions in 2024
| Prescriptions (claims) | 4,270 · 6,710 30-day fills |
|---|---|
| Patients | 311 |
| Total drug cost | $709,574 |
| Generic share | 94% of claims |
Education and affiliations
| Graduation year | 1990 |
|---|---|
| Medicare specialty | Psychiatry |
| Telehealth | Offers telehealth |
Medical group
- Southern Illinois Associates LLCMaryville, IL · 16 clinicians
Hospital affiliation
- Memorial HospitalBelleville, IL
Industry payments (Open Payments)
- 2025$33,169 · 127 payments from 21 companies
- 2024$39,121 · 95 payments from 18 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Janssen Pharmaceuticals, Inc | $31,667 | 49 |
| Supernus Pharmaceuticals, Inc. | $232.35 | 13 |
| Janssen Scientific Affairs, LLC | $200.00 | 1 |
| Iti, Inc. (D/B/A Intra-Cellular Therapies, Inc.) | $195.78 | 11 |
| Abbvie Inc. | $148.60 | 17 |
What the 2025 payments were for
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$21,360 · 7 payments
- Consulting Fee$7,100 · 4 payments
- Travel and Lodging$2,541 · 11 payments
- Food and Beverage$2,168 · 105 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other psychiatrists in Maryville
- 1114964566
- 1962427856