Robert Warburton Arnp
About this NPIWhat this record shows.
NPI 1477021764 is registered to Robert Warburton Arnp, a Psychiatric/Mental Health Nurse Practitioner practising at 250 W Main St Ste 101 in Tustin, California. Psychiatric/Mental Health Nurse Practitioner is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Robert Warburton Arnp has been enumerated in the National Provider Identifier (NPI) registry since 2018.
Your brand here.
Medicare enrollment
This provider holds 3 Medicare enrollments 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
- I20250224002476Nurse PractitionerWA
- I20250224002645Nurse PractitionerAZ
- I20250811001905Nurse PractitionerCA
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 Robert Warburton Arnp accepts. To confirm in-network status with your specific health plan, contact Robert Warburton Arnp directly at (714) 461-4121.
Frequently asked
Yes. NPI 1477021764 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Psychiatric/Mental Health Nurse Practitioner 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 (714) 461-4121.
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. Robert Warburton Arnp is a Type-1 individual NPI.