Doctor profile · Federal record
Dr. Margaret Karwecki, N.P.
Acute Care Nurse Practitioner · Torrance, CA
- NPI 1457658072
- 15 yrs on file
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
4201 Torrance Blvd, Suite 560
Torrance, CA 905034504
(310) 792-5800
fax (310) 792-5801
Credentials & registration
- NPI registered
- February 2011 — 15 yrs on file
- Specialty taxonomy
- 363LA2100X — NUCC code
- State license (1)
- California #424756
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1457658072. Last verified May 11, 2026.Open Payments
Industry payments received
All-time total
$769
Transactions
39
Manufacturers
13
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Kiniksa Pharmaceuticals International, plc | 6 | $130.51 | |
| Boehringer Ingelheim Pharmaceuticals, Inc. | 5 | $100.66 | |
| Alnylam Pharmaceuticals Inc. | 4 | $95.58 | |
| Amgen Inc. | 5 | $90.40 | |
| AstraZeneca Pharmaceuticals LP | 4 | $66.61 | |
| ABBVIE INC. | 2 | $52.03 | |
| Janssen Pharmaceuticals, Inc | 2 | $51.71 | |
| Novartis Pharmaceuticals Corporation | 2 | $46.65 | |
| ZOLL Services LLC (A/K/A ZOLL LifeCor Corp) | 4 | $46.40 | |
| E.R. Squibb & Sons, L.L.C. | 2 | $27.52 | |
| PFIZER INC. | 1 | $22.78 | |
| ABIOMED | 1 | $22.62 | |
| Boston Scientific Corporation | 1 | $15.74 |
By nature of payment
Frequently asked questions
What is Dr. Margaret Karwecki's medical specialty?
Dr. Margaret Karwecki practices Acute Care Nurse Practitioner in Torrance, CA.
Where does Dr. Margaret Karwecki practice?
Dr. Margaret Karwecki practices at 4201 Torrance Blvd, Torrance, CA 905034504. Office phone: 3107925800.
What is Dr. Margaret Karwecki's NPI?
Dr. Margaret Karwecki's National Provider Identifier (NPI) is 1457658072, issued by NPPES.