Mary Katherine Hearne, APN

Primary specialty

Nurse PractitionerTaxonomy code 363L00000X

License

AP132131 Issued in TX

Practice address

1251 Sadler East Dr
Building J, Suite 2100
San Marcos, TX 78666

Phone

(512) 396-5603

NPI assigned

Jun 20, 2017

Last updated

Jan 13, 2026By the provider in NPPES

Sex

Female

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Other names 1

• Mary Katherine Funk Former name

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

Specialty

Nurse Practitioner

Education

Other, 2016

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

St Davids Heart and Vascular PLLCGroup PAC ID 7012821879, 197 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• St David's Medical Center Hospital, Austin, TX, CCN 450431
• Christus Santa Rosa Hospital-San Marcos Hospital, San Marcos, TX, CCN 450272

Medicare enrollment (NPD)

Enrolled

Credentials

Nurse Practitioner

Practice roles

Locations

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.

• St Davids Heart & Vascular, PLLC

  • Cardiovascular Disease Physician
  • Austin, TX
  • NPI 1700887700
  Medicare reassignment Care Compare group NPD

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• Christus Santa Rosa Health Care Corporation

  dba Christus Santa Rosa Hospital - New Braunfels

  • General Acute Care Hospital
  • New Braunfels, TX
  • NPI 1114725033
  Care Compare affiliation
• Christus Santa Rosa Health Care Corporation

  dba Christus Santa Rosa Hospital - San Marcos

  • General Acute Care Hospital
  • San Marcos, TX
  • NPI 1447883301
  Care Compare affiliation
• St. Davids Healthcare Partnership, L.P., LLP

  dba Heart Hospital of Austin

  • General Acute Care Hospital
  • Austin, TX
  • NPI 1720033947
  Care Compare affiliation

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

{
    "created_epoch": "1497916800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1768262400000",
    "number": "1639609852",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1251 SADLER DR STE 2100",
            "city": "SAN MARCOS",
            "state": "TX",
            "postal_code": "786668629"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1251 SADLER EAST DR",
            "address_2": "BUILDING J, SUITE 2100",
            "city": "SAN MARCOS",
            "state": "TX",
            "postal_code": "78666",
            "telephone_number": "512-396-5603"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "HEARNE",
        "first_name": "MARY",
        "middle_name": "KATHERINE",
        "credential": "APN",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2017-06-20",
        "last_updated": "2026-01-13",
        "certification_date": "2026-01-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363L00000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner",
            "state": "TX",
            "license": "AP132131",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "MARY",
            "last_name": "FUNK",
            "middle_name": "KATHERINE",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

• Hays County Personal Health Department
• Hays Nursing Center, Inc. (Hays Nursing and Rehabilitation Center)
• Chris Hazel, LPC
• Hcem Emergency Medical Associates, PA
• William H. Healy, M.D.
• Heart to Heart Hospice
• Heart to Heart Hospice of San Marcos, LLC
• Nathan Heaviland, DPT
• Carla Heffner, ATC, LAT
• Leanne Heller, M.D.

• Nurse Practitioner in San Marcos, TX
• Providers in San Marcos, TX by specialty
• Nurse Practitioner in Texas

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 13, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• 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.