Doctor profile · Federal record
Dr. Thomas Siewert, D.D.S.
General Practice Dentistry · South Elgin, IL
- NPI 1831357862
- 18 yrs on file
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
696 W Spring St
South Elgin, IL 601771562
(847) 741-4035
Credentials & registration
- NPI registered
- May 2008 — 18 yrs on file
- Specialty taxonomy
- 1223G0001X — NUCC code
- State license (1)
- Illinois #019017035
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1831357862. Last verified May 11, 2026.Open Payments
Industry payments received
All-time total
$14
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Envista Holdings Corporation | 1 | $13.62 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
27
Patients
11
Total drug cost
$115
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Penicillin V Potassium | Generic | 15 | 11 | $93 |
| Amoxicillin | Generic | 12 | 0 | $23 |
Frequently asked questions
What is Dr. Thomas Siewert's medical specialty?
Dr. Thomas Siewert practices General Practice Dentistry in South Elgin, IL.
Where does Dr. Thomas Siewert practice?
Dr. Thomas Siewert practices at 696 W Spring St, South Elgin, IL 601771562. Office phone: 8477414035.
What is Dr. Thomas Siewert's NPI?
Dr. Thomas Siewert's National Provider Identifier (NPI) is 1831357862, issued by NPPES.