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

Dr. John U. Choi, DDS, PHD

Individual provider Periodontics · NPI 1720126337

Dr. John U. Choi, DDS, PHD is a Periodontics in Fullerton, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2007
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.
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

See every abbreviation used in this directory →

Practice location Address checks out

301 W Bastanchury Rd Ste 255
Fullerton, CA 92835-3419
Phone: (714) 449-8650
Fax: (714) 449-8653
Show map & directions

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

Specialties & licences

Periodontics (primary) Taxonomy 1223P0300X · Licence 41375 (CA)

Record details

NPI number1720126337
Entity typeIndividual (Type 1)
GenderMale
Credentials DDS , PHD
Sole proprietorYes
NPI enumeratedFebruary 3, 2007
Last updated in NPPESJuly 8, 2007
Mailing address301 W Bastanchury Rd, Suite 255, Fullerton, CA 92835-3419

Other providers in Fullerton