Toshia Ann Yamaguchi M.D.
About this NPIWhat this record shows.
NPI 1932558715 is registered to Toshia Ann Yamaguchi M.D., a Psychiatry practising at 4095 County Circle Dr in Riverside, California. Psychiatry is the medical specialty focused on the diagnosis, treatment, and prevention of mental health conditions, including depression, anxiety, bipolar disorder, and schizophrenia. Toshia Ann Yamaguchi M.D. has been enumerated in the National Provider Identifier (NPI) registry since 2016.
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Medicare enrollment
This provider holds a Medicare enrollment on file with the Provider Enrollment, Chain and Ownership System (PECOS). Each enrollment carries a public Medicare Enrollment ID (ENRLMT_ID) used by billers and intermediaries.
Practitioner
- I20220527002162PsychiatryCA
Source: CMS PECOS public enrollment file.
Insurance & acceptsHow to confirm coverage.
The National Plan and Provider Enumeration System (NPPES) registry does not include commercial insurance network data, so we cannot show which plans Toshia Ann Yamaguchi M.D. accepts. To confirm in-network status with your specific health plan, contact Toshia Ann Yamaguchi M.D. directly at (951) 358-4500.
Frequently asked
Yes. NPI 1932558715 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Psychiatry is the medical specialty focused on the diagnosis, treatment, and prevention of mental health conditions, including depression, anxiety, bipolar disorder, and schizophrenia.
The CMS NPPES Public Registry at npiregistry.cms.hhs.gov is the authoritative source. FindMyNPI mirrors this dataset and refreshes monthly. For real-time verification, you can also call the provider's office at (951) 358-4500.
An individual healthcare provider has a single Type-1 NPI for life. Organisations can hold separate Type-2 NPIs per location, specialty, or sub-entity. Toshia Ann Yamaguchi M.D. is a Type-1 individual NPI.