YI JAU KO MA, OTR/L
NPI 1538704127
Occupational Therapist in Perris, CA
About Yi Jau Ko Ma, Otr/l NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
YI JAU KO MA, OTR/L (NPI 1538704127) is an individual occupational therapist in Perris, California, licensed in California (20494) and active in the NPI registry since November 2019. She maintains a secondary practice location in Murrieta and is a graduate of Other (2019).
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Secondary Practice Location 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Yi Jau Ko Ma, Otr/l is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Yi Jau Ko's NPI number?
The NPI number for Yi Jau Ko is 1538704127. It was assigned to this individual provider in the NPPES registry on November 7, 2019. The provider is also known as Betty Yijau Ko.
Where is Yi Jau Ko located?
Yi Jau Ko practices at 975 West Morgan St., Perris, CA 92571. The listed phone number is (951) 940-6100.
What is Yi Jau Ko's specialty?
The primary specialty registered for this NPI is Occupational Therapist with taxonomy code 225X00000X.
Is Yi Jau Ko enrolled in Medicare?
Yes. Yi Jau Ko is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
When was this NPI record last updated?
The NPPES record for Yi Jau Ko was last updated on January 30, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.