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

Lisa Toshiye Taniwa Ryujin, MD/MPH

Individual provider Obstetrics & Gynecology Physician · NPI 1134451438

Lisa Toshiye Taniwa Ryujin, MD/MPH is an Obstetrics/Gynecology in Oakland, California. Graduated from University of Utah School of Medicine in 2007, 19 years ago. Practices with Permanente Medical Group Inc, a 10,941-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
19
Trained at
University of Utah School of Medicine
Licensed in
CA
In the registry since
2010
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Practice location Address checks out

280 W Macarthur Blvd
Oakland, CA 94611-5642
Phone: (510) 752-7772
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Obstetrics & Gynecology Physician (primary) Taxonomy 207V00000X · Licence A 110675 (CA)

Record details

NPI number1134451438
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD/MPH
Sole proprietorYes
NPI enumeratedFebruary 11, 2010
Last updated in NPPESFebruary 11, 2022

Medicare enrollment

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

Medicare specialtyOBSTETRICS/GYNECOLOGY
Medical schoolUNIVERSITY OF UTAH SCHOOL OF MEDICINE
Graduated 2007 (19 years in practice)
Group practice Permanente Medical Group Inc — 10941 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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