Daniel Chan DO
About this NPIWhat this record shows.
NPI 1992453534 is registered to Daniel Chan DO, a Internal Medicine practising at 2800 E Ajo Way Ste 100 in Tucson, Arizona. Internal Medicine physicians (internists) specialise in the prevention, diagnosis, and treatment of diseases in adults, often coordinating care across multiple subspecialties. Daniel Chan DO has been enumerated in the National Provider Identifier (NPI) registry since 2022.
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.
Order and Referring Only
- I20230703000136Internal 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 Daniel Chan DO accepts. To confirm in-network status with your specific health plan, contact Daniel Chan DO directly at (520) 874-2778.
Frequently asked
Yes. NPI 1992453534 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Internal Medicine physicians (internists) specialise in the prevention, diagnosis, and treatment of diseases in adults, often coordinating care across multiple subspecialties.
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 (520) 874-2778.
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. Daniel Chan DO is a Type-1 individual NPI.