Individual provider Active NPI

Sienna Maria Mander, PT, DPT

  • Physical Therapist
  • Austin, TX
National Provider Identifier
1336839117
Registry record updated Sep 14, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Physical TherapistTaxonomy code 225100000X
License
1375950 Issued in TX
Practice address
1400 N Ih 35
Austin, TX 78701-1926
Phone
(512) 978-8130
NPI assigned
May 15, 2023
Last updated
Sep 14, 2026By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Sep 14, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Physical Therapist 225100000X 1375950 TX Primary

Addresses

Primary practice location

1400 N Ih 35
Austin, TX 78701-1926

Mailing address

1111 E Cesar Chavez St
Austin, TX 78702-4209
Phone (512) 978-8130

Medicare participation

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

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20230707000958 TX Practitioner - Physical Therapist in Private Practice 2769841832 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Physical Therapist in Private Practice
Education
Other, 2023
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices

Practice addresses (Care Compare)

2501 Ranch Rd 620
Suite 140
Lakeway, TX 78734-6416
Phone (512) 527-6944

Merit-based Incentive Payment System (MIPS)

Final score
85.56 of 100Reported as group
Quality
89.48
Improvement activities
40
Cost
71.16

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled

State licenses

LicenseStateTypeSpecialty
1375950TXMDPhysical Therapist

Practice roles

OrganizationSpecialtyStatusNew patients
Ideal Physical Therapy of Texas LLC Physical Therapist CurrentSince May 8, 2023 Accepting new patients
Ideal Physical Therapy of Texas LLC CurrentSince May 8, 2023 Accepting new patients

Locations

790 Remington Blvd
Bolingbrook, IL 60440

17051 Dallas Pkwy
Ste 450
Addison, TX 75001
Phone (214) 272-8561

165 Hargraves Dr
Ste M400
Austin, TX 78737
Phone (512) 975-7268

1700 E Oltorf St
Ste 105
Austin, TX 78741
Phone (512) 652-0014

8900 S Congress Ave
Ste 400
Austin, TX 78745
Phone (210) 422-9203

1245 Main St
Ste 230
Buda, TX 78610
Phone (512) 400-4437

4100 Fairway Dr
Ste 400
Carrollton, TX 75010
Phone (972) 394-3325

2600 W 7th St
Ste 137
Fort Worth, TX 76107
Phone (682) 233-6462

2501 Ranch Road 620 S
Ste 140
Lakeway, TX 78734

2501 Ranch Road 620 S
Ste 140
Lakeway, TX 78738
Phone (512) 527-6944

5400 Brodie Ln
Ste 295
Sunset Valley, TX 78745
Phone (512) 676-3949

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": "1684108800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1789344000000",
    "number": "1336839117",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1111 E CESAR CHAVEZ ST",
            "city": "AUSTIN",
            "state": "TX",
            "postal_code": "787024209",
            "telephone_number": "512-978-8130"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1400 N IH 35",
            "city": "AUSTIN",
            "state": "TX",
            "postal_code": "787011926",
            "telephone_number": "512-978-8130"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MANDER",
        "first_name": "SIENNA",
        "middle_name": "MARIA",
        "credential": "PT, DPT",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2023-05-15",
        "last_updated": "2026-09-14",
        "certification_date": "2026-09-14",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "225100000X",
            "taxonomy_group": "",
            "desc": "Physical Therapist",
            "state": "TX",
            "license": "1375950",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

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 Sep 14, 2026; 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.