Alexandra Six, CPNP-AC

Primary specialty

Pediatric Nurse PractitionerTaxonomy code 363LP0200X

License

APRN.CNP.18101 Issued in OH

Practice address

700 Childrens Dr
Columbus, OH 43205-2664

Phone

(614) 722-2000

NPI assigned

Sep 14, 2015

Last updated

Feb 25, 2026By the provider in NPPES

Sex

Female

Sole proprietor

Yes

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

Specialties & licenses 2

Addresses

Other identifiers 1

Medicare fee-for-service enrollment

Enrolled in OH

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: No

Green means eligible to order or refer.

Enrollment records 1

Medicare enrollment (NPD)

Enrolled

Credentials

Nurse Practitioner

State licenses

Practice roles

Locations

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• Children's Anesthesia Associates Inc

  • Anesthesiology Physician
  • Columbus, OH
  • NPI 1629020680

  Pediatrics

  Medicare reassignment NPD
• Nationwide Children's Hospital

  • Dental Clinic/Center
  • Columbus, OH
  • NPI 1407013964
  NPD (past)

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

{
    "created_epoch": "1442188800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1771977600000",
    "number": "1609244219",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "700 CHILDRENS DR",
            "city": "COLUMBUS",
            "state": "OH",
            "postal_code": "432052664",
            "telephone_number": "614-722-2000"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "700 CHILDRENS DR",
            "city": "COLUMBUS",
            "state": "OH",
            "postal_code": "432052664",
            "telephone_number": "614-722-2000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "SIX",
        "first_name": "ALEXANDRA",
        "credential": "CPNP-AC",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2015-09-14",
        "last_updated": "2026-02-25",
        "certification_date": "2026-02-25",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LA2100X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Acute Care",
            "state": "OH",
            "license": "APRN.CNP.18101",
            "primary": false
        },
        {
            "code": "363LP0200X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Pediatrics",
            "state": "OH",
            "license": "APRN.CNP.18101",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "0159146",
            "state": "OH"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Michael Austin Sivey, LPCC-S
• Meredith Sivi
• Joel Sivillo, DPT
• Megan Sivula, LPCC
• Prem P Siwakoti, PA
• Halimo Siyad
• Kelsey Sizemore, PT
• Korissa Sizemore, AUD
• Vickie M. Sizemore, DO
• Brittney Sjulstad, PHARMD

• Pediatric Nurse Practitioner in Columbus, OH
• Providers in Columbus, OH by specialty
• Pediatric Nurse Practitioner in Ohio

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 25, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.