Doctor profile · Federal record
Dr. Warren Fournier, MD
Psychiatry Physician (CMS: Psychiatry) · Fairview Heights, IL
- NPI 1992770580
- Accepts Medicare
- 27 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
125 N Ruby Ln
Fairview Heights, IL 622081926
(618) 398-4226
fax (618) 398-1759
Credentials & registration
- NPI registered
- February 2006 — 20 yrs on file
- Profile last updated
- December 15, 2010
- Year of graduation
- 1999 — 27 yrs since
- Specialty taxonomy
- 2084P0800X — NUCC code
- State license (1)
- Illinois #036115099
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1992770580. Last verified May 11, 2026.Open Payments
Industry payments received
All-time total
$130
Transactions
7
Manufacturers
4
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Indivior Inc. | 3 | $58.99 | |
| Alkermes, Inc. | 2 | $30.65 | |
| E.R. Squibb & Sons, L.L.C. | 1 | $24.10 | |
| Otsuka America Pharmaceutical, Inc. | 1 | $16.40 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
514
Patients
166
Total drug cost
$117,120
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Trazodone Hcl | Generic | 61 | 28 | $825 |
| Quetiapine Fumarate | Generic | 45 | 17 | $969 |
| Alprazolam | Generic | 43 | 17 | $444 |
| Sertraline Hcl | Generic | 38 | 13 | $505 |
| Buspirone Hcl | Generic | 36 | 14 | $1,074 |
| Duloxetine Hcl | Generic | 32 | 12 | $510 |
| Aripiprazole | Generic | 31 | 13 | $9,858 |
| Benztropine Mesylate | Generic | 31 | 15 | $454 |
| Invega Sustenna (Paliperidone Palmitate) | Brand | 31 | 11 | $99,748 |
| Olanzapine | Generic | 31 | 0 | $747 |
Frequently asked questions
What is Dr. Warren Fournier's medical specialty?
Dr. Warren Fournier practices Psychiatry Physician in Fairview Heights, IL.
Where does Dr. Warren Fournier practice?
Dr. Warren Fournier practices at 125 N Ruby Ln, Fairview Heights, IL 622081926. Office phone: 6183984226.
What is Dr. Warren Fournier's NPI?
Dr. Warren Fournier's National Provider Identifier (NPI) is 1992770580, issued by NPPES.
Does Dr. Warren Fournier accept Medicare assignment?
Yes. Dr. Warren Fournier accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.