Doctor profile · Federal record
Dr. Gurprakash Grewal, M.D.
Family Medicine Physician (CMS: Family Practice) · Saint Louis, MO
- NPI 1134343379
- Accepts Medicare
- 45 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
3535 S Jefferson Ave, Suite 314
Saint Louis, MO 631183930
(314) 772-5070
Credentials & registration
- NPI registered
- April 2007 — 19 yrs on file
- Profile last updated
- July 8, 2007
- Year of graduation
- 1981 — 45 yrs since
- Specialty taxonomy
- 207Q00000X — NUCC code
- State license (1)
- Missouri #MD36667
- Medicaid
- MO #202286035
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1134343379. Last verified May 11, 2026.Open Payments
Industry payments received
All-time total
$410
Transactions
6
Manufacturers
4
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Sumitomo Pharma America, Inc. | 1 | $125.00 | |
| Otsuka America Pharmaceutical, Inc. | 1 | $122.58 | |
| AstraZeneca Pharmaceuticals LP | 1 | $115.79 | |
| GlaxoSmithKline, LLC. | 3 | $46.51 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
4,439
Patients
622
Total drug cost
$89,703
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Oxycodone-Acetaminophen (Oxycodone Hcl/Acetaminophen) | Brand | 1,102 | 85 | $32,176 |
| Alprazolam | Generic | 464 | 42 | $1,509 |
| Gabapentin | Generic | 396 | 54 | $5,645 |
| Oxycodone Hcl | Generic | 346 | 31 | $4,498 |
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 290 | 31 | $7,532 |
| Promethazine Hcl | Generic | 246 | 49 | $4,271 |
| Albuterol Sulfate Hfa (Albuterol Sulfate) | Brand | 213 | 59 | $4,304 |
| Lisinopril | Generic | 211 | 54 | $2,058 |
| Potassium Chloride | Generic | 194 | 35 | $4,216 |
| Tizanidine Hcl | Generic | 189 | 42 | $1,709 |
Frequently asked questions
What is Dr. Gurprakash Grewal's medical specialty?
Dr. Gurprakash Grewal practices Family Medicine Physician in Saint Louis, MO.
Where does Dr. Gurprakash Grewal practice?
Dr. Gurprakash Grewal practices at 3535 S Jefferson Ave, Saint Louis, MO 631183930. Office phone: 3147725070.
What is Dr. Gurprakash Grewal's NPI?
Dr. Gurprakash Grewal's National Provider Identifier (NPI) is 1134343379, issued by NPPES.
Does Dr. Gurprakash Grewal accept Medicare assignment?
Yes. Dr. Gurprakash Grewal accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.