Individual provider Active NPI

Alexandra Esther Grieb, M.D.

  • Hospitalist Physician
  • Austin, TX
National Provider Identifier
1003349853
Registry record updated Dec 3, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Hospitalist PhysicianTaxonomy code 208M00000X
License
T2613 Issued in TX
Practice address
919 E 32ND St
Austin, TX 78705-2703
Phone
(512) 544-7111
NPI assigned
Apr 8, 2017
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Dec 3, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Hospitalist Physician 208M00000X T2613 TX Primary

Addresses

Primary practice location

919 E 32ND St
Austin, TX 78705-2703

Mailing address

919 E 32ND St
Austin, TX 78705-2703
Phone (512) 544-7111

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: Yes
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20220125000591 TX Practitioner - Internal Medicine 5698048056 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Internal Medicine
Education
Warren Alpert Medical School of Brown University, 2013
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Ipc Healthcare Services of Texas PLLCGroup PAC ID 3971824939, 184 clinicians

Practice addresses (Care Compare)

919 E 32ND St
Austin, TX 78705-2703
Phone (512) 544-4472

Hospital & facility affiliations

  • St David'S Medical Center Hospital, Austin, TX, CCN 450431
  • St David'S South Austin Medical Center Hospital, Austin, TX, CCN 450713
  • Round Rock Medical Center Hospital, Round Rock, TX, CCN 450718

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

Practice roles

OrganizationSpecialtyStatusNew patients
Ipc Healthcare Services of Texas, PLLC Internal Medicine CurrentSince Nov 1, 2021 Accepting new patients
Lonestar Pat Associates PA Internal Medicine CurrentSince Nov 30, 2021 Accepting new patients
St. Davids Healthcare Partnership, L.P., LLP Past Accepting new patients
Philippe G Lopez MD PC PastSince Jun 16, 2024 Accepting new patients

Locations

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

901 W Ben White Blvd
Austin, TX 78704
Phone (512) 342-2382

12221 N Mopac Expy
Austin, TX 78758
Phone (512) 901-2530

2000 Scenic Dr
Georgetown, TX 78626
Phone (512) 863-2117

2400 Round Rock Ave
Round Rock, TX 78681
Phone (512) 255-6066

111 Dallas St
San Antonio, TX 78205
Phone (210) 297-7000

Organizations & group practices 4

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 3

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": "1491609600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1764720000000",
    "number": "1003349853",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "919 E 32ND ST",
            "city": "AUSTIN",
            "state": "TX",
            "postal_code": "787052703",
            "telephone_number": "512-544-7111"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "919 E 32ND ST",
            "city": "AUSTIN",
            "state": "TX",
            "postal_code": "787052703",
            "telephone_number": "512-544-7111"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GRIEB",
        "first_name": "ALEXANDRA",
        "middle_name": "ESTHER",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2017-04-08",
        "last_updated": "2025-12-03",
        "certification_date": "2025-12-03",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208M00000X",
            "taxonomy_group": "",
            "desc": "Hospitalist",
            "state": "TX",
            "license": "T2613",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Austin, TX

Sources for this page

Verify at the official NPI Registry.