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

Marie K. Yamamotoya, MD

Individual provider Family Medicine Physician · NPI 1487732111

Marie K. Yamamotoya, MD is a Family Practice in Fairfield, California. Graduated from University of Washington School of Medicine in 1995, 31 years ago. Practices with American Indian Health and Services Corporation, an 11-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
31
Trained at
University of Washington School of Medicine
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

470 Chadbourne Rd Ste A
Fairfield, CA 94534-9620
Phone: (707) 419-8989
Show map & directions

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

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence A61112 (CA)

Record details

NPI number1487732111
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedNovember 1, 2006
Last updated in NPPESJanuary 29, 2025
Certification dateJanuary 29, 2025

Medicare enrollment

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

Medicare specialtyFAMILY PRACTICE
Medical schoolUNIVERSITY OF WASHINGTON SCHOOL OF MEDICINE
Graduated 1995 (31 years in practice)
Group practice American Indian Health And Services Corporation — 11 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

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