Doctor profile · Federal record
Dr. Sien Siao, DDS
General Practice Dentistry · Brentwood, CA
- NPI 1841318706
- 19 yrs on file
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
3120 Balfour RD, Suite D
Brentwood, CA 945135513
(925) 634-9901
fax (925) 634-1352
Credentials & registration
- NPI registered
- March 2007 — 19 yrs on file
- Profile last updated
- July 8, 2007
- Specialty taxonomy
- 1223G0001X — NUCC code
- State license (1)
- California #43858
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1841318706. Last verified May 11, 2026.Open Payments
Industry payments received
All-time total
$143
Transactions
2
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Solventum Corporation | 2 | $143.45 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
47
Patients
25
Total drug cost
$284
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Amoxicillin | Generic | 36 | 25 | $193 |
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 11 | 0 | $90 |
Frequently asked questions
What is Dr. Sien Siao's medical specialty?
Dr. Sien Siao practices General Practice Dentistry in Brentwood, CA.
Where does Dr. Sien Siao practice?
Dr. Sien Siao practices at 3120 Balfour RD, Brentwood, CA 945135513. Office phone: 9256349901.
What is Dr. Sien Siao's NPI?
Dr. Sien Siao's National Provider Identifier (NPI) is 1841318706, issued by NPPES.