About

Dr. Tachibana has been with MemorialCare Independent 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.

Languages

English, Japanese

Provider Specialty

Internal Medicine, Primary Care

Areas of Care

Education

Medical School

University of the Philippines College of Medicine

1978

Internship Program - Internal Medicine

University of California - San Francisco - Fresno

1980

Residency Program - Internal Medicine

Loma Linda University Medical Center

1981

Locations & Affiliations

Locations

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

Insurance

Please consult your health care provider or health plan for the most accurate information about your health plan’s coverage of a particular health care service offered at a MemorialCare facility. Learn more about our Accepted Health Plans.

Patient Reviews

4.8 out of 5
(31 Ratings)
Jul 27, 2026
Engin E.
Dr. Mikio Tachibana is the best! Not only is he an excellent physician, but he also cares!
Jul 1, 2026
Steven K.
He is a great doctor. He is very patient and caring.
Jun 29, 2026
Naomi N.
Very through. Explains everything clearly. Always there if I have any issues or questions. Staff is very helpful.
Jun 1, 2026
James T.
My family have been with Dr Tachibana more than 30 plus years. If not, I would have left him a long time ago.
May 27, 2026
Ruth S.
He listens to your complaints and resolving the same time I know him for decades he is a good doctor
May 19, 2026
Gregory B.
Apr 29, 2026
Daisy L.
Our Primary Doctor for a long long time.
Apr 29, 2026
Rene S.
Apr 29, 2026
Nobuya H.
Apr 27, 2026
James G.
Great doctor!!

Source: Reviews are aggregated from third-party review sites such as Facebook, Google, HealthGrades, RepuGen, Vitals, WebMD, and Yelp.