Individual provider Active NPI

Sierra Elyse Barnett

  • Physician Assistant
  • Austin, TX
National Provider Identifier
1992590871
Registry record updated Apr 11, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Physician AssistantTaxonomy code 363A00000X
Practice address
4900 Mueller Blvd
Austin, TX 78723-3051
Phone
(512) 324-0000
NPI assigned
Apr 11, 2025
Last updated
Apr 11, 2025By the provider in NPPES
Sex
Female
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Apr 11, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Physician Assistant 363A00000X Primary

Addresses

Primary practice location

4900 Mueller Blvd
Austin, TX 78723-3051

Mailing address

4900 Mueller Blvd
Austin, TX 78723-3051

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in TX
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

Enrollment IDStateProvider typePAC IDDetails
I20251103003986 TX Practitioner - Physician Assistant 9931699592 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Physician Assistant
Education
Other, 2025
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Dell Childrens Medical GroupGroup PAC ID 8224092978, 117 clinicians

Practice addresses (Care Compare)

1301 Barbara Jordan Blvd
Austin, TX 78723-3078

4900 Mueller Blvd
Austin, TX 78723-3051
Phone (512) 324-0000

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Physician Assistant

Practice roles

OrganizationSpecialtyStatusNew patients
Dell Children's Medical Group CurrentSince Aug 7, 2025 Accepting new patients
Dell Children's Medical Group CurrentSince Aug 7, 2025 Accepting new patients

Locations

1301 Barbara Jordan Blvd
Ste 200
Austin, TX 78723
Phone (512) 628-1800

4900 Mueller Blvd
Austin, TX 78723
Phone (512) 324-0165

4910 Mueller Blvd
Ste 200
Austin, TX 78723
Phone (512) 324-3315

1000 Hesters Crossing Rd
Round Rock, TX 78681
Phone (512) 628-1800

Interoperability endpoints

  • Direct secure messaging: sierra.barnett.1@8363.direct.athenahealth.com

Organizations & group practices 2

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.

NPI Registry JSON

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

{
    "created_epoch": "1744329600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1744329600000",
    "number": "1992590871",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "4900 MUELLER BLVD",
            "city": "AUSTIN",
            "state": "TX",
            "postal_code": "787233051"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4900 MUELLER BLVD",
            "city": "AUSTIN",
            "state": "TX",
            "postal_code": "787233051",
            "telephone_number": "512-324-0000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "BARNETT",
        "first_name": "SIERRA",
        "middle_name": "ELYSE",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2025-04-11",
        "last_updated": "2025-04-11",
        "certification_date": "2025-04-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Austin, TX

Sources for this page

Verify at the official NPI Registry.