Doctor profile · Federal record
Dr. John Syphax, MD
Addiction Psychiatry Physician · Washington, DC
- NPI 1982894481
- 19 yrs on file
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
1330 New Hampshire Ave Nw, Suite B4
Washington, DC 200366350
(202) 223-9630
Credentials & registration
- NPI registered
- July 2007 — 19 yrs on file
- Specialty taxonomy
- 2084P0802X — NUCC code
- State license (1)
- District of Columbia #MD25407
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1982894481. Last verified May 11, 2026.Open Payments
Industry payments received
All-time total
$62
Transactions
3
Manufacturers
3
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| E.R. Squibb & Sons, L.L.C. | 1 | $23.20 | |
| ITI, Inc. (d/b/a Intra-Cellular Therapies, Inc.) | 1 | $19.71 | |
| Alkermes, Inc. | 1 | $19.36 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
116
Patients
0
Total drug cost
$31,623
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Quetiapine Fumarate | Generic | 50 | 0 | $1,185 |
| Haloperidol | Generic | 26 | 0 | $498 |
| Vraylar (Cariprazine Hcl) | Brand | 17 | 0 | $29,554 |
| Trazodone Hcl | Generic | 12 | 0 | $197 |
| Aripiprazole | Generic | 11 | 0 | $189 |
Frequently asked questions
What is Dr. John Syphax's medical specialty?
Dr. John Syphax practices Addiction Psychiatry Physician in Washington, DC.
Where does Dr. John Syphax practice?
Dr. John Syphax practices at 1330 New Hampshire Ave Nw, Washington, DC 200366350. Office phone: 2022239630.
What is Dr. John Syphax's NPI?
Dr. John Syphax's National Provider Identifier (NPI) is 1982894481, issued by NPPES.