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

Dr. Denis J Yoshii, DO

Individual provider Allergy & Immunology Physician · NPI 1124091814

Dr. Denis J Yoshii, DO is an Allergy/Immunology in Costa Mesa, California. Qualified in 1995, 31 years ago. Licensed in California and Nevada.

Years since qualifying
31
Licensed in
CA, NV
In the registry since
2006
Specialties on file
2
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

See every abbreviation used in this directory →

Practice location Address checks out

1700 Adams Ave Ste 100
Costa Mesa, CA 92626-4865
Phone: (714) 549-0301
Fax: (714) 549-7553
Show map & directions

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

Specialties & licences

Allergy & Immunology Physician (primary) Taxonomy 207K00000X · Licence 20A6936 (CA)
Allergy & Immunology Physician Taxonomy 207K00000X · Licence 1005 (NV)

Record details

NPI number1124091814
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedFebruary 11, 2006
Last updated in NPPESJuly 8, 2007
Mailing address1700 Adams Ave Ste 100, Costa Mesa, CA 92626-4865

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyALLERGY/IMMUNOLOGY
Also practisesPEDIATRIC MEDICINE
Medical schoolOTHER
Graduated 1995 (31 years in practice)
Accepts Medicare assignment Not indicated
Practice locations2 on file with Medicare

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