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

Denis J Yoshii, DO Inc

Organization Allergy & Immunology Physician · NPI 1881712578

Denis J Yoshii, DO Inc is an Allergy & Immunology Physician in Foothill Ranch, California. Licensed in California. Registered with an NPI since 2007.

Licensed in
CA
In the registry since
2007
Specialties on file
2
What do these letters mean?
Inc — Incorporated
A form of business registration, not a clinical qualification.

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Practice location Address checks out

26750 Towne Centre Dr Ste D
Foothill Ranch, CA 92610-2841
Phone: (949) 916-0888
Fax: (714) 549-7553
Show map & directions

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

Specialties & licences

Pediatric Allergy/Immunology Physician (primary) Taxonomy 2080P0201X · Licence 20A6936 (CA)
Allergy & Immunology Physician Taxonomy 207K00000X · Licence 20A6936 (CA)

Record details

NPI number1881712578
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Denis Yoshii — President · (949) 916-0888
Other names Adams Allergy
NPI enumeratedMarch 27, 2007
Last updated in NPPESSeptember 11, 2025
Mailing address26750 Towne Centre Dr, Suite D, Foothill Ranch, CA 92610-2841