Mark T Callesen MD PC
About this NPIWhat this record shows.
NPI 1588727259 is registered to Mark T Callesen MD PC, a healthcare organisation classified as "Psychiatric Residential Treatment Facility" and located at 1201 S Alma School Rd, Suite 11750 in Mesa, Arizona. The organisation's authorised official is Mark Callesen. The organisation has been enumerated in the NPI registry since 2006.
Your brand here.
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 Mark T Callesen MD PC accepts. To confirm in-network status with your specific health plan, contact Mark T Callesen MD PC directly at (480) 464-4606.
Frequently asked
Yes. NPI 1588727259 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Psychiatric Residential Treatment Facility 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 (480) 464-4606.
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. Mark T Callesen MD PC is a Type-2 organisational NPI.