Individual provider Active NPI

Hayley Elizabeth Hicks Walker, M.D.

  • Internal Medicine Physician
  • Houston, TX
National Provider Identifier
1275953606
Registry record updated Dec 23, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
S6088 Issued in TX
Practice address
1504 Taub Loop
Houston, TX 77030-1608
Phone
(713) 873-8890
NPI assigned
Apr 24, 2014
Last updated
Dec 23, 2025By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Dec 23, 2025

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

Specialties & licenses 4

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X S6088 TX Primary
Student in an Organized Health Care Education/Training Program 390200000X MT205773 PA
Internal Medicine Physician 207R00000X MD458692 PA
Hospitalist Physician 208M00000X S6088 TX

Addresses

Primary practice location

1504 Taub Loop
Houston, TX 77030-1608

Mailing address

1504 Taub Loop
Houston, TX 77030-1608

Other practice location 1

333 Cottman Ave
Philadelphia, PA 19111-2434
Phone (215) 728-2844

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in PA, TX2 enrollments
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 2

Enrollment IDStateProvider typePAC IDDetails
I20170606001902 PA Practitioner - Internal Medicine 3779873385
I20200625000594 TX Practitioner - Internal MedicinePractitioner - Hospitalist 3779873385 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Internal MedicineAlso: Hospitalist
Education
Harvard Medical School, 2014
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Baylor College of MedicineGroup PAC ID 8224941265, 796 clinicians

Practice addresses (Care Compare)

1504 Taub Loop
Houston, TX 77030-1608
Phone (713) 873-2000

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
92.87 of 100Reported as group
Quality
87.77
Improvement activities
40
Cost
76.17

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
Baylor College of Medicine CurrentSince Feb 25, 2021 Accepting new patients
Baylor College of Medicine Internal Medicine CurrentSince Feb 25, 2021 Accepting new patients
Baylor College of Medicine Past Accepting new patients

Locations

1504 Taub Loop
Houston, TX 77030
Phone (713) 873-2860

1504 Taub Loop
#621
Houston, TX 77030

2 Greenway Plz
Ste 900
Houston, TX 77046
Phone (713) 798-1835

6411 Fannin St
Houston, TX 77030
Phone (713) 500-6200

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

Hospital & facility affiliations 1

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": "1398297600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1766448000000",
    "number": "1275953606",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1504 TAUB LOOP",
            "city": "HOUSTON",
            "state": "TX",
            "postal_code": "770301608"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1504 TAUB LOOP",
            "city": "HOUSTON",
            "state": "TX",
            "postal_code": "770301608",
            "telephone_number": "713-873-8890"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "333 Cottman Ave",
            "address_purpose": "LOCATION",
            "city": "Philadelphia",
            "state": "PA",
            "postal_code": "191112434",
            "country_code": "US",
            "telephone_number": "215-728-2844",
            "fax_number": "215-214-1425",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "WALKER",
        "first_name": "HAYLEY",
        "middle_name": "ELIZABETH HICKS",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2014-04-24",
        "last_updated": "2025-12-23",
        "certification_date": "2025-12-23",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "TX",
            "license": "S6088",
            "primary": true
        },
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": "PA",
            "license": "MT205773",
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "PA",
            "license": "MD458692",
            "primary": false
        },
        {
            "code": "208M00000X",
            "taxonomy_group": "",
            "desc": "Hospitalist",
            "state": "TX",
            "license": "S6088",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Houston, TX

Sources for this page

Verify at the official NPI Registry.