Individual provider Active NPI

Erin Leigh Darnell, CRNA

  • Certified Registered Nurse Anesthetist
  • Austin, TX
National Provider Identifier
1144557372
Registry record updated Jun 9, 2020
On this page

Key facts

NPPES NPI Registry
Primary specialty
Certified Registered Nurse AnesthetistTaxonomy code 367500000X
License
AP118794 Issued in TX
Practice address
3705 Medical Pkwy Ste 570
Austin, TX 78705-1024
Phone
(512) 454-2554
Fax
(512) 454-2824
NPI assigned
Nov 9, 2009
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jun 9, 2020

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Certified Registered Nurse Anesthetist 367500000X AP118794 TX Primary

Addresses

Primary practice location

3705 Medical Pkwy Ste 570
Austin, TX 78705-1024

Mailing address

PO Box 840853
Dallas, TX 75284-0853
Phone (972) 233-1999

Other names 1

  • Erin Leigh Seitz Former name

Medicare participation

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

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20100615000570 TX Practitioner - Certified Registered Nurse Anesthetist (Crna) 2860522075 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Certified Registered Nurse Anesthetist (Crna)
Education
Other, 2009
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Healthtexas Provider NetworkGroup PAC ID 1355254210, 2,535 clinicians

Practice addresses (Care Compare)

100 Medical Pkwy
Lakeway, TX 78738-5621
Phone (512) 571-5000

Hospital & facility affiliations

  • Baylor Scott & White Medical Center - Round Rock Hospital, Round Rock, TX, CCN 670034

Merit-based Incentive Payment System (MIPS)

Final score
88.94 of 100Reported as group
Quality
91.31
Improvement activities
40
Cost
79.05

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Certified Registered Nurse

State licenses

LicenseStateTypeSpecialty
AP118794TXMDCertified Registered Nurse Anesthetist

Practice roles

OrganizationSpecialtyStatusNew patients
Healthtexas Provider Network CurrentSince Dec 14, 2025 Accepting new patients
Austin Anesthesiology Group, PLLC Nurse Anesthetist, Certified Registered CurrentSince Mar 15, 2010 Accepting new patients
Austin Anesthesiology Group PLLC CurrentSince Mar 15, 2010 Accepting new patients
Healthtexas Provider Network CurrentSince Dec 14, 2025 Accepting new patients

Locations

919 E 32nd St
Austin, TX 78705
Phone (512) 343-2466

5408 Colleyville Blvd
Colleyville, TX 76034
Phone (817) 498-9920

4001 Worth St
Dallas, TX 75246
Phone (214) 828-1745

100 Medical Pkwy
Lakeway, TX 78738
Phone (512) 206-8100

821 N Coleman St
Ste 100
Prosper, TX 75078
Phone (469) 800-5200

Organizations & group practices 5

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

Hospital & facility affiliations 1

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

NPI Registry JSON

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

{
    "created_epoch": "1257724800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1591660800000",
    "number": "1144557372",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 840853",
            "city": "DALLAS",
            "state": "TX",
            "postal_code": "752840853",
            "telephone_number": "972-233-1999",
            "fax_number": "972-233-3666"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3705 MEDICAL PKWY STE 570",
            "city": "AUSTIN",
            "state": "TX",
            "postal_code": "787051024",
            "telephone_number": "512-454-2554",
            "fax_number": "512-454-2824"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "DARNELL",
        "first_name": "ERIN",
        "middle_name": "LEIGH",
        "credential": "CRNA",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2009-11-09",
        "last_updated": "2020-06-09",
        "certification_date": "2020-06-09",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "367500000X",
            "taxonomy_group": "",
            "desc": "Nurse Anesthetist, Certified Registered",
            "state": "TX",
            "license": "AP118794",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "ERIN",
            "last_name": "SEITZ",
            "middle_name": "LEIGH",
            "credential": "CRNA",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

Other providers in Austin, TX

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 9, 2020; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
  • Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.