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

Katherine Mariko Tanaka, MD

Individual provider Ophthalmology Physician · NPI 1336344878

Katherine Mariko Tanaka, MD is an Ophthalmology in Long Beach, California. Graduated from University of California, Irvine, California College of Medicine in 1986, 40 years ago. Practices with Katherine M Tanaka MD Inc, a 2-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
40
Trained at
University of California, Irvine, California College of Medicine
Licensed in
CA
In the registry since
2007
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

5512 E Britton Dr Ste 200
Long Beach, CA 90815-3149
Phone: (562) 421-2020
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Ophthalmology Physician (primary) Taxonomy 207W00000X · Licence G58916 (CA)

Record details

NPI number1336344878
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorYes
NPI enumeratedJune 15, 2007
Last updated in NPPESJuly 8, 2007

Medicare enrollment

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

Medicare specialtyOPHTHALMOLOGY
Medical schoolUNIVERSITY OF CALIFORNIA, IRVINE, CALIFORNIA COLLEGE OF MEDICINE
Graduated 1986 (40 years in practice)
Group practice Katherine M Tanaka Md Inc — 2 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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