Individual provider Active NPI

Samantha Kim Barker, N.P

  • Gerontology Nurse Practitioner
  • Austin, TX
National Provider Identifier
1336805837
Registry record updated Apr 17, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Gerontology Nurse PractitionerTaxonomy code 363LG0600X
License
1048612 Issued in TX
Practice address
12221 Renfert Way Ste 120
Austin, TX 78758-5444
Phone
(512) 873-8900
Fax
(512) 605-6330
NPI assigned
Nov 10, 2021
Last updated
Apr 17, 2026By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Apr 17, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Nurse Practitioner 363L00000X 1048612 TX
Gerontology Nurse Practitioner 363LG0600X 1048612 TX Primary

Addresses

Primary practice location

12221 Renfert Way Ste 120
Austin, TX 78758-5444

Mailing address

PO Box 911230
Dallas, TX 75391-1230
Phone (972) 997-8000

Other practice location 1

1401 Medical Pkwy Ste 200
Cedar Park, TX 78613-5026
Phone (512) 260-6050

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: No
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20211130003171 TX Practitioner - Nurse Practitioner 7214327535 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Nurse Practitioner
Education
Other, 2021
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Texas Oncology PAGroup PAC ID 5395658934, 1,001 clinicians

Practice addresses (Care Compare)

1401 Medical Pkwy
Suite 200
Cedar Park, TX 78613-5026
Phone (512) 260-6050

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
85.12 of 100Reported as apm
Quality
67.48
Promoting interoperability
100
Improvement activities
40

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Nurse Practitioner

State licenses

LicenseStateTypeSpecialty
1048612TXMDNurse Practitioner

Practice roles

OrganizationSpecialtyStatusNew patients
Texas Integrated Medical Specialists, PLLC Current Accepting new patients
Texas Oncology PA CurrentSince May 16, 2022 Accepting new patients
Central Texas Medical Specialists PLLC CurrentSince Oct 1, 2021 Accepting new patients
Central Texas Medical Specialists, PLLC CurrentSince Oct 1, 2021 Accepting new patients
Texas Oncology PA CurrentSince May 16, 2022 Accepting new patients

Locations

12221 Renfert Way
Ste 120
Austin, TX 78758
Phone (512) 873-8900

12221 Renfert Way
Ste 300
Austin, TX 78758
Phone (512) 873-8900

2600 E Mlk Blvd
Austin, TX 78702
Phone (512) 334-2600

9715 Burnet Rd
Ste 200
Austin, TX 78758
Phone (512) 334-2866

1401 Medical Pkwy
Ste 200
Cedar Park, TX 78613
Phone (512) 260-1581

1401 Medical Pkwy
Ste 200C
Cedar Park, TX 78613

7848 Gateway Blvd E
El Paso, TX 79915
Phone (915) 599-1313

2000 Scenic Dr
Ste G2
Georgetown, TX 78626
Phone (512) 531-5200

2026 S Jackson St
Jacksonville, TX 75766
Phone (903) 541-4500

1180 Seton Pkwy
Ste 150
Kyle, TX 78640
Phone (512) 337-9020

16030 Park Valley Dr
Ste 201
Round Rock, TX 78681
Phone (512) 518-4673

Interoperability endpoints

  • Direct secure messaging: samantha.barker@txo.ikm.direct-ci.com

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, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

Hospital & facility affiliations 4

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": "1636502400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1776384000000",
    "number": "1336805837",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 911230",
            "city": "DALLAS",
            "state": "TX",
            "postal_code": "753911230",
            "telephone_number": "972-997-8000",
            "fax_number": "972-234-0813"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "12221 RENFERT WAY STE 120",
            "city": "AUSTIN",
            "state": "TX",
            "postal_code": "787585444",
            "telephone_number": "512-873-8900",
            "fax_number": "512-605-6330"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1401 Medical Pkwy Ste 200",
            "address_purpose": "LOCATION",
            "city": "Cedar Park",
            "state": "TX",
            "postal_code": "786135026",
            "country_code": "US",
            "telephone_number": "512-260-6050",
            "fax_number": "512-605-6330",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "BARKER",
        "first_name": "SAMANTHA",
        "middle_name": "KIM",
        "credential": "N.P",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2021-11-10",
        "last_updated": "2026-04-17",
        "certification_date": "2026-04-17",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363L00000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner",
            "state": "TX",
            "license": "1048612",
            "primary": false
        },
        {
            "code": "363LG0600X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Gerontology",
            "state": "TX",
            "license": "1048612",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Austin, TX

Sources for this page

Verify at the official NPI Registry.