Individual provider Active NPI

Mahsa Mansouri, MD

  • Internal Medicine Physician
  • Austin, TX
National Provider Identifier
1982199386
Registry record updated Jan 27, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
BP10063749 Issued in TX
Practice address
1501 Red River St
Austin, TX 78712-1845
Phone
(512) 471-3434
NPI assigned
Jun 27, 2018
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jan 27, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X BP10063749 TX Primary

Addresses

Primary practice location

1501 Red River St
Austin, TX 78712-1845

Mailing address

1501 Red River St
Austin, TX 78712-1845

Other practice location 1

5339 N Ih 35 Ste 100
Austin, TX 78723-2558
Phone (512) 978-8130

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
I20221215001146 TX Practitioner - Internal Medicine 6709287402 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Internal Medicine
Education
Other, 2013
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Seton Family of DoctorsGroup PAC ID 0941333280, 785 clinicians
Travis County Healthcare DistrictGroup PAC ID 5890843858, 30 clinicians

Practice addresses (Care Compare)

1400 N Ih 35
Austin, TX 78701-1926

1400 N Ih 35 LL
Cl400 Tri County Prac Assoc
Austin, TX 78701-1926
Phone (512) 324-7300

1601 Trinity St
Austin, TX 78712-1765

2802 Webberville Rd
Austin, TX 78702-2947
Phone (512) 978-8130

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
BP10063749TXMDInternal Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Travis County Healthcare District Internal Medicine CurrentSince Jan 2, 2026 Accepting new patients
Seton Family of Doctors Internal Medicine CurrentSince Oct 17, 2022 Accepting new patients
Seton Family of Doctors CurrentSince Oct 17, 2022 Accepting new patients

Locations

1500 Red River St
Austin, TX 78701
Phone (512) 324-0150

1601 Trinity St
Ste 9901S
Austin, TX 78712
Phone (512) 324-7831

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

Interoperability endpoints

  • Direct secure messaging: mahsa.mansouri.1@8363.direct.athenahealth.com

Organizations & group practices 3

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": "1530057600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1769472000000",
    "number": "1982199386",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1501 RED RIVER ST",
            "city": "AUSTIN",
            "state": "TX",
            "postal_code": "787121845",
            "fax_number": "206-341-1405"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1501 RED RIVER ST",
            "city": "AUSTIN",
            "state": "TX",
            "postal_code": "787121845",
            "telephone_number": "512-471-3434"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "5339 N Ih 35 Ste 100",
            "address_purpose": "LOCATION",
            "city": "Austin",
            "state": "TX",
            "postal_code": "787232558",
            "country_code": "US",
            "telephone_number": "512-978-8130",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "MANSOURI",
        "first_name": "MAHSA",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2018-06-27",
        "last_updated": "2026-01-27",
        "certification_date": "2026-01-27",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "TX",
            "license": "BP10063749",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Austin, TX

Sources for this page

Verify at the official NPI Registry.