Doctor profile · Federal record
Dr. Dain Zylstra, DO
Psychiatry Physician · Barstow, CA
- NPI 1538531330
- 11 yrs on file
- Male
- Solo practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
1841 E Main St
Barstow, CA 923113234
(760) 255-5700 - Additional location
-
400 N Pepper Ave
Colton, CA 923241801
(909) 580-1000 - Mailing address
-
2940 Inland Empire Blvd
Ontario, CA 917644898
Credentials & registration
- NPI registered
- October 2015 — 11 yrs on file
- Profile last updated
- August 10, 2020
- Specialty taxonomy
- 2084P0800X — NUCC code
- State license (1)
- California #20A16351
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1538531330. Last verified May 11, 2026.Open Payments
Industry payments received
All-time total
$42
Transactions
2
Manufacturers
2
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Janssen Pharmaceuticals, INC | 1 | $22.37 | |
| Alkermes, INC. | 1 | $19.17 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
24
Patients
0
Total drug cost
$870
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Divalproex Sodium | Generic | 12 | 0 | $239 |
| Olanzapine | Generic | 12 | 0 | $631 |
Frequently asked questions
What is Dr. Dain Zylstra's medical specialty?
Dr. Dain Zylstra practices Psychiatry Physician in Barstow, CA.
Where does Dr. Dain Zylstra practice?
Dr. Dain Zylstra practices at 1841 E Main St, Barstow, CA 923113234. Office phone: 7602555700.
What is Dr. Dain Zylstra's NPI?
Dr. Dain Zylstra's National Provider Identifier (NPI) is 1538531330, issued by NPPES.