Karl John Arellano RN
About this NPIWhat this record shows.
NPI 1023907516 is registered to Karl John Arellano RN, a Child & Adolescent Psychiatric/Mental Health Registered Nurse practising at 1340 Arnold Dr Ste 200 in Martinez, California. Child & Adolescent Psychiatric/Mental Health Registered Nurse is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Karl John Arellano RN has been enumerated in the National Provider Identifier (NPI) registry since 2025.
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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 Karl John Arellano RN accepts. To confirm in-network status with your specific health plan, contact Karl John Arellano RN directly at (510) 630-0312.
Frequently asked
Yes. NPI 1023907516 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Child & Adolescent Psychiatric/Mental Health Registered Nurse is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy.
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 (510) 630-0312.
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. Karl John Arellano RN is a Type-1 individual NPI.