About Me

Dr. Tachibana has been with Greater Newport Physicians since 2001 in which he has received awards recognizing him as a Physician of the Year in Internal Medicine in 2009 and 2013.

His field of expertise includes treatment of diabetic adults, hypertension, emphysema, heart disease, lipid disorders, thyroid disease, and diagnosis of various cancers.

Dr. Tachibana and his staff speak both English and Japanese.


English, Japanese

Provider Specialty

Internal Medicine

Areas of Care



American Board of Internal Medicine

Medical School

University of the Philippines College of Medicine


UC San Francisco-San Joaquin Valley Program


Loma Linda University Medical Center

Locations & Affiliations


Mikio Tachibana, MD

11100 Warner Avenue

Suite 154

Fountain Valley, CA

Office: (714) 966-2800

Mikio Tachibana, MD

4950 Barranca Pkwy.

Suite 205B

Irvine, CA

Office: (949) 262-0200