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

Dr. Midori Jane Nishio, MD

Individual provider Rheumatology Physician · NPI 1316010366

Dr. Midori Jane Nishio, MD is a Rheumatology in Walnut Creek, California. Graduated from Medical College of Wisconsin in 1982, 44 years ago. Practices with John Muir Physician Network, a 486-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
44
Trained at
Medical College of Wisconsin
Licensed in
CA
In the registry since
2006
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

1450 Treat Blvd Ste 200
Walnut Creek, CA 94597-2168
Phone: (925) 280-9400
Fax: (925) 256-0448
Show map & directions

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

Specialties & licences

Rheumatology Physician (primary) Taxonomy 207RR0500X · Licence G50284 (CA)

Record details

NPI number1316010366
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedNovember 16, 2006
Last updated in NPPESMay 25, 2016

Medicare enrollment

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

Medicare specialtyRHEUMATOLOGY
Medical schoolMEDICAL COLLEGE OF WISCONSIN
Graduated 1982 (44 years in practice)
Group practice John Muir Physician Network — 486 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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