Doctor profile · Federal record
Dr. Warren Ong, MD
Psychiatry Physician (CMS: Psychiatry) · Warwick, RI
- NPI 1003896101
- Accepts Medicare
- 34 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
2756 Post RD
Warwick, RI 028863077
(401) 691-6000
fax (401) 738-7718
Credentials & registration
- NPI registered
- January 2006 — 20 yrs on file
- Profile last updated
- November 26, 2024
- Year of graduation
- 1992 — 34 yrs since
- Specialty taxonomy
- 2084P0800X — NUCC code
- State license (1)
- Rhode Island #9162
- Medicaid
- RI #7005366
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1003896101. Last verified May 11, 2026.Open Payments
Industry payments received
All-time total
$98,532
Transactions
111
Manufacturers
6
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| ITI, Inc. (d/b/a Intra-Cellular Therapies, Inc.) | 34 | $35,027.50 | |
| Neurocrine Biosciences, Inc. | 35 | $33,560.33 | |
| Otsuka America Pharmaceutical, Inc. | 11 | $12,104.86 | |
| Teva Pharmaceuticals USA, Inc. | 19 | $9,353.07 | |
| E.R. Squibb & Sons, L.L.C. | 11 | $8,457.98 | |
| Alkermes, Inc. | 1 | $28.17 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
1,545
Patients
213
Total drug cost
$139,821
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Dextroamphetamine-Amphetamine (Dextroamphetamine/Amphetamine) | Brand | 209 | 31 | $10,343 |
| Clonazepam | Generic | 199 | 27 | $3,030 |
| Bupropion Xl (Bupropion Hcl) | Brand | 121 | 17 | $2,428 |
| Trazodone Hcl | Generic | 121 | 19 | $1,655 |
| Clonidine Hcl | Generic | 114 | 20 | $923 |
| Alprazolam | Generic | 107 | 14 | $1,053 |
| Lorazepam | Generic | 107 | 19 | $1,216 |
| Zolpidem Tartrate | Generic | 90 | 15 | $1,014 |
| Fluoxetine Hcl | Generic | 88 | 18 | $856 |
| Gabapentin | Generic | 87 | 17 | $1,976 |
Frequently asked questions
What is Dr. Warren Ong's medical specialty?
Dr. Warren Ong practices Psychiatry Physician in Warwick, RI.
Where does Dr. Warren Ong practice?
Dr. Warren Ong practices at 2756 Post RD, Warwick, RI 028863077. Office phone: 4016916000.
What is Dr. Warren Ong's NPI?
Dr. Warren Ong's National Provider Identifier (NPI) is 1003896101, issued by NPPES.
Does Dr. Warren Ong accept Medicare assignment?
Yes. Dr. Warren Ong accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.