Doctor profile · Federal record
Dr. Tejaswini Nayak, M.D.
Internal Medicine Physician (CMS: Internal Medicine) · Saint Charles, MO
- NPI 1609841303
- Accepts Medicare
- 29 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1820 Zumbehl RD, Suite 120-A
Saint Charles, MO 633032761
(636) 928-1237
fax (636) 928-0397
Credentials & registration
- NPI registered
- February 2006 — 20 yrs on file
- Profile last updated
- September 5, 2012
- Year of graduation
- 1997 — 29 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- Missouri #2002015974
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1609841303. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
450
Distinct HCPCS
6
Medicare allowed
$48,809
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 249 | 116 | $126 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 85 | 85 | $128 | |
G0008 |
Administration of influenza virus vaccine | 38 | 37 | $30 | |
90662 |
Influenza vaccine split virus, preservative free | 33 | 32 | $72 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 29 | 27 | $89 | |
G0009 |
Administration of pneumococcal vaccine | 16 | 16 | $30 |
In context: peer comparison
Among 13 peers in this city , average services per provider: 187. This provider delivers 2.4× the peer median.Open Payments
Industry payments received
All-time total
$120
Transactions
6
Manufacturers
4
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Novo Nordisk Inc | 3 | $62.55 | |
| Astellas Pharma US Inc | 1 | $21.77 | |
| ABBVIE INC. | 1 | $21.57 | |
| PFIZER INC. | 1 | $14.48 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
2,720
Patients
881
Total drug cost
$67,008
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 355 | 103 | $3,129 |
| Pantoprazole Sodium | Generic | 235 | 72 | $3,253 |
| Amlodipine Besylate | Generic | 221 | 58 | $1,312 |
| Omeprazole | Generic | 213 | 59 | $3,059 |
| Levothyroxine Sodium | Generic | 205 | 57 | $2,891 |
| Losartan Potassium | Generic | 177 | 50 | $2,105 |
| Lisinopril | Generic | 175 | 51 | $1,476 |
| Metoprolol Succinate | Generic | 174 | 49 | $2,868 |
| Rosuvastatin Calcium | Generic | 173 | 51 | $1,912 |
| Fluticasone Propionate | Generic | 157 | 74 | $2,878 |
Hospital affiliations
Frequently asked questions
What is Dr. Tejaswini Nayak's medical specialty?
Dr. Tejaswini Nayak practices Internal Medicine Physician in Saint Charles, MO.
Where does Dr. Tejaswini Nayak practice?
Dr. Tejaswini Nayak practices at 1820 Zumbehl RD, Saint Charles, MO 633032761. Office phone: 6369281237.
What is Dr. Tejaswini Nayak's NPI?
Dr. Tejaswini Nayak's National Provider Identifier (NPI) is 1609841303, issued by NPPES.
Does Dr. Tejaswini Nayak accept Medicare assignment?
Yes. Dr. Tejaswini Nayak accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Tejaswini Nayak 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); Administration of influenza virus vaccine (HCPCS G0008). Source: CMS Medicare Physician & Other Practitioners file.