Doctor profile · Federal record
Dr. Darrin Friesen, M.D.
Specialist · Saint Louis, MO
- NPI 1699952465
- 18 yrs on file
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1750 S Brentwood Blvd, Suite 857
Saint Louis, MO 631441315
(314) 968-2111
fax (314) 968-2139
Credentials & registration
- NPI registered
- January 2008 — 18 yrs on file
- Specialty taxonomy
- 174400000X — NUCC code
- State license (1)
- Missouri #106376
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1699952465. Last verified May 11, 2026.Open Payments
Industry payments received
All-time total
$711
Transactions
39
Manufacturers
5
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Corium, LLC | 21 | $410.23 | |
| Supernus Pharmaceuticals, Inc. | 15 | $237.29 | |
| Noven Therapeutics, LLC | 1 | $24.01 | |
| Otsuka America Pharmaceutical, Inc. | 1 | $22.00 | |
| Tris Pharma Inc | 1 | $17.30 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
633
Patients
0
Total drug cost
$67,622
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Lamotrigine | Generic | 99 | 0 | $1,027 |
| Ziprasidone Hcl | Generic | 66 | 0 | $5,411 |
| Fluoxetine Hcl | Generic | 60 | 0 | $1,209 |
| Dextroamphetamine-Amphet Er (Dextroamphetamine/Amphetamine) | Brand | 53 | 0 | $6,591 |
| Trazodone Hcl | Generic | 47 | 0 | $561 |
| Escitalopram Oxalate | Generic | 46 | 0 | $584 |
| Sertraline Hcl | Generic | 44 | 0 | $458 |
| Aripiprazole | Generic | 37 | 0 | $3,405 |
| Quetiapine Fumarate Er (Quetiapine Fumarate) | Brand | 32 | 0 | $7,592 |
| Bupropion Xl (Bupropion Hcl) | Brand | 31 | 0 | $1,272 |
Frequently asked questions
What is Dr. Darrin Friesen's medical specialty?
Dr. Darrin Friesen practices Specialist in Saint Louis, MO.
Where does Dr. Darrin Friesen practice?
Dr. Darrin Friesen practices at 1750 S Brentwood Blvd, Saint Louis, MO 631441315. Office phone: 3149682111.
What is Dr. Darrin Friesen's NPI?
Dr. Darrin Friesen's National Provider Identifier (NPI) is 1699952465, issued by NPPES.