Twelfth One, LLC
About this NPIWhat this record shows.
NPI 1497528418 is registered to Twelfth One, LLC, a healthcare organisation classified as "Home Infusion Therapy Pharmacy" and located at 2095 S Cooper Rd in Chandler, Arizona. The organisation's authorised official is Thomas Maiefski. The organisation has been enumerated in the NPI registry since 2023.
Your brand here.
Medicare enrollment
This provider holds 2 Medicare enrollments 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.
Part B Supplier
- O20251120003495Home Infusion Therapy SupplierAZ
DME Supplier
- O20240530001742PharmacyAZ
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 Twelfth One, LLC accepts. To confirm in-network status with your specific health plan, contact Twelfth One, LLC directly at (480) 739-6040.
Frequently asked
Yes. NPI 1497528418 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Home Infusion Therapy Pharmacy 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) 739-6040.
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. Twelfth One, LLC is a Type-2 organisational NPI.