Steven Siwik MD
About this NPIWhat this record shows.
NPI 1821069089 is registered to Steven Siwik MD, a Diagnostic Radiology practising at 677 N Wilmot Rd in Tucson, Arizona. Diagnostic Radiology uses medical imaging (X-ray, CT, MRI, ultrasound, and nuclear medicine) to diagnose disease and injury. Steven Siwik MD has been enumerated in the National Provider Identifier (NPI) registry since 2006.
Your brand here.
Secondary identifiers
Additional identifiers this provider has registered with NPPES. Used by medical billers, credentialers, and insurance verifiers to cross-reference claims and enrollments.
Other
- 1821069089AZ· Issued by PHYSCIAN INDIVIDUAL NPI
- 005472AZ· Issued by GROUP MEDICAID ID
- 1841261989AZ· Issued by GROUP NPI
- CS7943AZ· Issued by GROUP MEDICARE RAILROAD ID & PTAN
- 300086890AZ· Issued by MEDICARE RAILROAD
- ZWCBBMAZ· Issued by GROUP MEDICARE ID
Medicaid
- 373952AZ
Source: NPPES public registry.
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
- I20100421000233Diagnostic RadiologyAZ
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 Steven Siwik MD accepts. To confirm in-network status with your specific health plan, contact Steven Siwik MD directly at (520) 795-2889.
Frequently asked
Yes. NPI 1821069089 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Diagnostic Radiology uses medical imaging (X-ray, CT, MRI, ultrasound, and nuclear medicine) to diagnose disease and injury.
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) 795-2889.
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. Steven Siwik MD is a Type-1 individual NPI.