Doctor profile · Federal record
Dr. Matthew Kornswiet
Pediatrics Physician · Pediatric Sports Medicine Physician · Laguna Hills, CA
- NPI 1336534338
- 11 yrs on file
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
23521 Paseo de Valencia Ste 200
Laguna Hills, CA 926533101
(949) 951-5437
Credentials & registration
- NPI registered
- April 2015 — 11 yrs on file
- Profile last updated
- June 19, 2019
- Specialty taxonomy
- 208000000X — NUCC code
- State license (1)
- California #20A17197
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1336534338. Last verified May 11, 2026.Open Payments
Industry payments received
All-time total
$156
Transactions
6
Manufacturers
5
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| SANOFI-AVENTIS U.S. LLC | 2 | $49.65 | |
| GlaxoSmithKline, LLC. | 1 | $32.49 | |
| PFIZER INC. | 1 | $25.80 | |
| SANOFI PASTEUR INC. | 1 | $24.35 | |
| Merck Sharp & Dohme LLC | 1 | $24.09 |
By nature of payment
Frequently asked questions
What is Dr. Matthew Kornswiet's medical specialty?
Dr. Matthew Kornswiet practices Pediatrics Physician in Laguna Hills, CA.
Where does Dr. Matthew Kornswiet practice?
Dr. Matthew Kornswiet practices at 23521 Paseo de Valencia Ste 200, Laguna Hills, CA 926533101. Office phone: 9499515437.
What is Dr. Matthew Kornswiet's NPI?
Dr. Matthew Kornswiet's National Provider Identifier (NPI) is 1336534338, issued by NPPES.