Dr. Toni Nicastro DO
About this NPIWhat this record shows.
NPI 1831778331 is registered to Dr. Toni Nicastro DO, a Pediatrics practising at 1705 W Main St in Mesa, Arizona. Pediatrics is the medical specialty focused on the health of infants, children, and adolescents through age 21. Dr. Toni Nicastro DO has been enumerated in the National Provider Identifier (NPI) registry since 2021.
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
- I20250702002650Pediatric MedicineAZ
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 Dr. Toni Nicastro DO accepts. To confirm in-network status with your specific health plan, contact Dr. Toni Nicastro DO directly at (480) 964-2273.
Frequently asked
Yes. NPI 1831778331 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Pediatrics is the medical specialty focused on the health of infants, children, and adolescents through age 21.
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 (480) 964-2273.
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. Dr. Toni Nicastro DO is a Type-1 individual NPI.