Doctor profile · Federal record
Dr. Michael Chen, M.D.
Obstetrics & Gynecology Physician (CMS: Obstetrics/Gynecology) · O Fallon, MO
- NPI 1023056355
- 31 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
20 Progress Point Pkwy, Suite 100
O Fallon, MO 633682206
(636) 344-3105
fax (636) 344-3104 - Mailing address
-
670 Mason Ridge Center Dr, Suite 300
Saint Louis, MO 631418573
Credentials & registration
- NPI registered
- June 2006 — 20 yrs on file
- Profile last updated
- February 12, 2021
- Year of graduation
- 1995 — 31 yrs since
- Specialty taxonomy
- 207V00000X — NUCC code
- State license (1)
- Missouri #108742
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1023056355. Last verified May 11, 2026.Open Payments
Industry payments received
All-time total
$21
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Hologic Sales and Service, LLC | 1 | $21.34 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
11
Patients
0
Total drug cost
$506
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Estradiol | Generic | 11 | 0 | $506 |
Frequently asked questions
What is Dr. Michael Chen's medical specialty?
Dr. Michael Chen practices Obstetrics & Gynecology Physician in O Fallon, MO.
Where does Dr. Michael Chen practice?
Dr. Michael Chen practices at 20 Progress Point Pkwy, O Fallon, MO 633682206. Office phone: 6363443105.
What is Dr. Michael Chen's NPI?
Dr. Michael Chen's National Provider Identifier (NPI) is 1023056355, issued by NPPES.
Does Dr. Michael Chen accept Medicare assignment?
Dr. Michael Chen does not accept Medicare assignment for all services. Patients may be billed amounts beyond Medicare-allowed charges.