Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Matthew Kornswiet

Individual provider Pediatric Sports Medicine Physician · NPI 1336534338

Matthew Kornswiet is a Pediatric Sports Medicine Physician in Laguna Hills, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2015
Specialties on file
2

Practice location Address checks out

23521 Paseo De Valencia Ste 200
Laguna Hills, CA 92653-3101
Phone: (949) 951-5437
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Pediatrics Physician (primary) Taxonomy 208000000X · Licence 20A17197 (CA)
Pediatric Sports Medicine Physician Taxonomy 2080S0010X · Licence 20A17197 (CA)

Record details

NPI number1336534338
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorYes
NPI enumeratedApril 6, 2015
Last updated in NPPESJune 19, 2019