Twelfth One, LLC

Primary specialty

Home Infusion Therapy PharmacyTaxonomy code 3336H0001X

License

Y007272 Issued in AZ

Legal business name

TWELFTH ONE, LLC

Doing business as

Aspen Infusion

Practice address

2227 W Pecos Rd Ste 12
Chandler, AZ 85224-4866

Phone

(602) 618-1313

Fax

(602) 801-2291

NPI assigned

Jun 28, 2017

Last updated

Aug 20, 2025By the provider in NPPES

Organization subpart

No

Registry information is reported by the provider to CMS and is not verified. About this source

Authorized official

Name

Dr. Thomas K Maiefski, PHARMD

Title

Manager/Member

Phone

(602) 618-1313

Specialties & licenses 7

Addresses

Other names 1

• Aspen Infusion Doing business as

Practitioners 1

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles, and the practitioner matching its NPPES authorized official.

• William Joseph Kottmer, PHARM.D.

  • Pharmacist
  • Chandler, AZ
  • NPI 1164305132
  NPD (past)

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1498608000000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1755648000000",
    "number": "1457872632",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 248819",
            "city": "OKLAHOMA CITY",
            "state": "OK",
            "postal_code": "731248819",
            "telephone_number": "480-739-6040",
            "fax_number": "480-739-6072"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2227 W PECOS RD STE 12",
            "city": "CHANDLER",
            "state": "AZ",
            "postal_code": "852244866",
            "telephone_number": "602-618-1313",
            "fax_number": "602-801-2291"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "TWELFTH ONE, LLC",
        "organizational_subpart": "NO",
        "enumeration_date": "2017-06-28",
        "last_updated": "2025-08-20",
        "certification_date": "2025-08-20",
        "status": "A",
        "authorized_official_last_name": "MAIEFSKI",
        "authorized_official_first_name": "THOMAS",
        "authorized_official_middle_name": "K",
        "authorized_official_title_or_position": "MANAGER/MEMBER",
        "authorized_official_telephone_number": "602-618-1313",
        "authorized_official_name_prefix": "Dr.",
        "authorized_official_credential": "PHARMD"
    },
    "taxonomies": [
        {
            "code": "251F00000X",
            "taxonomy_group": "",
            "desc": "Home Infusion",
            "state": "NU",
            "license": null,
            "primary": false
        },
        {
            "code": "332BP3500X",
            "taxonomy_group": "",
            "desc": "Durable Medical Equipment & Medical Supplies, Parenteral & Enteral Nutrition",
            "state": "NU",
            "license": null,
            "primary": false
        },
        {
            "code": "333600000X",
            "taxonomy_group": "",
            "desc": "Pharmacy",
            "state": "NU",
            "license": null,
            "primary": false
        },
        {
            "code": "3336C0003X",
            "taxonomy_group": "",
            "desc": "Pharmacy, Community/Retail Pharmacy",
            "state": "NU",
            "license": null,
            "primary": false
        },
        {
            "code": "3336H0001X",
            "taxonomy_group": "",
            "desc": "Pharmacy, Home Infusion Therapy Pharmacy",
            "state": "AZ",
            "license": "Y007272",
            "primary": true
        },
        {
            "code": "3336S0011X",
            "taxonomy_group": "",
            "desc": "Pharmacy, Specialty Pharmacy",
            "state": "NU",
            "license": null,
            "primary": false
        },
        {
            "code": "3336C0004X",
            "taxonomy_group": "",
            "desc": "Pharmacy, Compounding Pharmacy",
            "state": "NU",
            "license": null,
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "organization_name": "Aspen Infusion",
            "code": "3",
            "type": "Doing Business As"
        },
        {
            "organization_name": "Aspen Infusion",
            "code": "3",
            "type": "Doing Business As"
        }
    ]
}

• Forest James Turner, LPN
• Kristin Turner, FNP
• Mandi Turner, RD, CDE
• Merle Clinton Turner, DO
• Marla Ann Tveten
• Twelfth One, LLC (Aspen Infusion)
• Tamara Twellman
• TWTH LLC
• Andrew Lloyd Tye
• Tyler Church, MD, PC

• Home Infusion Therapy Pharmacy in Chandler, AZ
• Providers in Chandler, AZ by specialty
• Home Infusion Therapy Pharmacy in Arizona

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 20, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.