Maruja Diaz Arjonilla MD
Also known as
- Also known asDiaz Romero, Maruja Del Valle
Source: NPPES public registry.
About this NPIWhat this record shows.
NPI 1841481074 is registered to Maruja Diaz Arjonilla MD, a Endocrinology, Diabetes & Metabolism Physician practising at 2212 E 4th St Ste 304 in Santa Ana, California. Endocrinology, Diabetes & Metabolism Physician is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Maruja Diaz Arjonilla MD has been enumerated in the National Provider Identifier (NPI) registry since 2007.
Your brand here.
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
- I20090325000198EndocrinologyCA
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 Maruja Diaz Arjonilla MD accepts. To confirm in-network status with your specific health plan, contact Maruja Diaz Arjonilla MD directly at (714) 288-3230.
Frequently asked
Yes. NPI 1841481074 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Endocrinology, Diabetes & Metabolism Physician 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) 288-3230.
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. Maruja Diaz Arjonilla MD is a Type-1 individual NPI.