Doctor profile · Federal record
Dr. Chandra Wiewel, M.D.
Family Medicine Physician (CMS: Family Practice) · O Fallon, MO
- NPI 1033170741
- Accepts Medicare
- 26 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1101 Highway K
O Fallon, MO 633668431
(636) 379-4590
fax (636) 669-2401 - Mailing address
-
Po Box 955534
Saint Louis, MO 631955534
Credentials & registration
- NPI registered
- March 2006 — 20 yrs on file
- Profile last updated
- November 24, 2020
- Year of graduation
- 2000 — 26 yrs since
- Specialty taxonomy
- 207Q00000X — NUCC code
- State license (1)
- Missouri #2005014704
- Medicaid
- MO #207454307
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1033170741. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
271
Distinct HCPCS
3
Medicare allowed
$26,981
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 194 | 111 | $95 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 59 | 59 | $125 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 18 | 13 | $64 |
In context: peer comparison
Among 7 peers in this city , average services per provider: 66. This provider delivers 4.1× the peer median.Open Payments
Industry payments received
All-time total
$123
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Lilly USA, LLC | 1 | $122.95 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
2,363
Patients
667
Total drug cost
$27,129
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Levothyroxine Sodium | Generic | 295 | 75 | $3,930 |
| Amlodipine Besylate | Generic | 277 | 75 | $1,213 |
| Atorvastatin Calcium | Generic | 258 | 73 | $2,681 |
| Rosuvastatin Calcium | Generic | 209 | 68 | $2,018 |
| Lisinopril | Generic | 197 | 58 | $1,351 |
| Metoprolol Succinate | Generic | 151 | 39 | $2,472 |
| Simvastatin | Generic | 144 | 41 | $1,620 |
| Losartan Potassium | Generic | 137 | 38 | $2,137 |
| Pantoprazole Sodium | Generic | 126 | 35 | $1,733 |
| Metformin Hcl | Generic | 118 | 35 | $1,084 |
Frequently asked questions
What is Dr. Chandra Wiewel's medical specialty?
Dr. Chandra Wiewel practices Family Medicine Physician in O Fallon, MO.
Where does Dr. Chandra Wiewel practice?
Dr. Chandra Wiewel practices at 1101 Highway K, O Fallon, MO 633668431. Office phone: 6363794590.
What is Dr. Chandra Wiewel's NPI?
Dr. Chandra Wiewel's National Provider Identifier (NPI) is 1033170741, issued by NPPES.
Does Dr. Chandra Wiewel accept Medicare assignment?
Yes. Dr. Chandra Wiewel accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Chandra Wiewel commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.