Individual provider Active NPI

Sigrid Birgitta Tristan, M.D.

  • Obstetrics & Gynecology Physician
  • Austin, TX
National Provider Identifier
1912199563
Registry record updated Mar 16, 2017
On this page

Key facts

NPPES NPI Registry
Primary specialty
Obstetrics & Gynecology PhysicianTaxonomy code 207V00000X
License
Q4866 Issued in TX
Practice address
601 E 15TH St
Austin, TX 78701-1930
Phone
(512) 324-7000
NPI assigned
Aug 16, 2007
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Mar 16, 2017

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Obstetrics & Gynecology Physician 207V00000X 036.12075 IL
Obstetrics & Gynecology Physician 207V00000X 244783 NY
Obstetrics & Gynecology Physician 207V00000X Q4866 TX Primary

Addresses

Primary practice location

601 E 15TH St
Austin, TX 78701-1930

Mailing address

1912 Speedway
Austin, TX 78712-1235
Phone (512) 324-8960

Other identifiers 1

IdentifierTypeStateIssuer
356696001MedicaidTX

Other names 1

  • Dr. Sigrid Birgitta Melander Former name

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
I20160229002990 TX Practitioner - Obstetrics/Gynecology 4789870411 Reassigns benefits to 4 organizations

Care Compare profile

Medicare Care Compare
Specialty
Obstetrics/Gynecology
Education
Washington University School of Medicine, 2004
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
The University of Texas at AustinGroup PAC ID 2668559436, 154 clinicians

Practice addresses (Care Compare)

1601 Trinity St
Austin, TX 78712-1765
Phone (833) 882-2737

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
036.12075ILMDObstetrics & Gynecology Physician
Q4866TXMDObstetrics & Gynecology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
University of Texas at Austin Dell Medical School CurrentSince Oct 1, 2017 Accepting new patients
University of Texas at Austin Dell Medical School CurrentSince Oct 1, 2017 Accepting new patients
Seton Family of Doctors CurrentSince Feb 1, 2016 Accepting new patients
Central Texas Community Health Centers CurrentSince Jul 26, 2025 Accepting new patients
Central Texas Community Health Centers CurrentSince Jul 26, 2025 Accepting new patients
Seton Family of Doctors Obstetrics & Gynecology CurrentSince Feb 1, 2016 Accepting new patients
University Health Services Past Accepting new patients
Ascension Seton Past Accepting new patients
Seton Family of Doctors Obstetrics & Gynecology Past Accepting new patients

Locations

1210 W Braker Ln
Austin, TX 78758
Phone (512) 978-9300

1601 Trinity St
Austin, TX 78712
Phone (833) 882-2737

1400 N Interstate 35
Ste 300
Austin, TX 78701
Phone (512) 324-8300

601 E 15th St
Austin, TX 78701
Phone (512) 324-7868

4616 W Howard Ln
Austin, TX 78728
Phone (224) 558-8613

301 W State Highway 71
Ste 111
Bastrop, TX 78602
Phone (512) 304-0318

Interoperability endpoints

  • Direct secure messaging: sigrid.bri.tristan.1@16041.direct.athenahealth.com
  • Direct secure messaging: sigrid.tristan.p1@direct.ppgt.nextgenshare.com

Organizations & group practices 9

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.

NPI Registry JSON

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

{
    "created_epoch": "1187222400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1489622400000",
    "number": "1912199563",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1912 SPEEDWAY",
            "city": "AUSTIN",
            "state": "TX",
            "postal_code": "787121235",
            "telephone_number": "512-324-8960"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "601 E 15TH ST",
            "city": "AUSTIN",
            "state": "TX",
            "postal_code": "787011930",
            "telephone_number": "512-324-7000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "TRISTAN",
        "first_name": "SIGRID",
        "middle_name": "BIRGITTA",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2007-08-16",
        "last_updated": "2017-03-16",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207V00000X",
            "taxonomy_group": "",
            "desc": "Obstetrics & Gynecology",
            "state": "IL",
            "license": "036.12075",
            "primary": false
        },
        {
            "code": "207V00000X",
            "taxonomy_group": "",
            "desc": "Obstetrics & Gynecology",
            "state": "NY",
            "license": "244783",
            "primary": false
        },
        {
            "code": "207V00000X",
            "taxonomy_group": "",
            "desc": "Obstetrics & Gynecology",
            "state": "TX",
            "license": "Q4866",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "356696001",
            "state": "TX"
        }
    ],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "SIGRID",
            "last_name": "MELANDER",
            "middle_name": "BIRGITTA",
            "prefix": "DR.",
            "credential": "M.D.",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

Other providers in Austin, TX

Sources for this page

Verify at the official NPI Registry.