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

Dr. Diane Catherine Sizgorich, DDS

Individual provider Pediatric Dentistry · NPI 1821033689

Dr. Diane Catherine Sizgorich, DDS is a Pediatric Dentistry in San Pedro, California. Licensed in California. Registered with an NPI since 2006.

Licensed in
CA
In the registry since
2006
What do these letters mean?
DDS — Doctor of Dental Surgery
A dentist. DDS and DMD are the same qualification — universities choose which title to award.

See every abbreviation used in this directory →

Practice location Address checks out

1411 W 7th St Ste C
San Pedro, CA 90732-3522
Phone: (310) 831-8861
Fax: (310) 831-0010
Show map & directions

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

Specialties & licences

Pediatric Dentistry (primary) Taxonomy 1223P0221X · Licence 42422 (CA)

Record details

NPI number1821033689
Entity typeIndividual (Type 1)
GenderFemale
Credentials DDS
Sole proprietorNo
NPI enumeratedJune 17, 2006
Last updated in NPPESJuly 13, 2026

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