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

Dr. Richard Usang Koh, DDS, MS

Individual provider Periodontics · NPI 1215135579

Dr. Richard Usang Koh, DDS, MS is a Periodontics in Los Alamitos, California. Licensed in California and Virginia. Registered with an NPI since 2007.

Licensed in
CA, VA
In the registry since
2007
Specialties on file
2
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.
MS — Master of Science
A graduate science degree.

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Practice location Address checks out

3551 Farquhar Ave Ste 204
Los Alamitos, CA 90720-2003
Phone: (562) 598-3383
Fax: (562) 936-1163
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Periodontics (primary) Taxonomy 1223P0300X · Licence 59329 (CA)
Periodontics Taxonomy 1223P0300X · Licence 0401413737 (VA)

Record details

NPI number1215135579
Entity typeIndividual (Type 1)
GenderMale
Credentials DDS , MS
Sole proprietorNo
NPI enumeratedJuly 10, 2007
Last updated in NPPESNovember 22, 2021
Certification dateNovember 22, 2021

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