Karyn Brooke Lockhart, AGPCNP-BC

Primary specialty

Adult Health Nurse PractitionerTaxonomy code 363LA2200X

License

AP131787 Issued in TX

Practice address

5495 Belt Line Rd Ste 200
Dallas, TX 75254-7658

Phone

(214) 712-2606

NPI assigned

Sep 15, 2016

Last updated

Mar 27, 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 4

Addresses

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

Applebaum Physiatry PLLCGroup PAC ID 8729453436, 141 clinicians

Questcare Matrix PLLCGroup PAC ID 7719137397, 40 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Nurse Practitioner

State licenses

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.

• Questcare Matrix, PLLC

  • Emergency Medicine Physician
  • Grapevine, TX
  • NPI 1316295066

  Nurse Practitioner

  Medicare reassignment Care Compare group NPD
• Applebaum Physiatry PLLC

  • Physical Medicine & Rehabilitation Physician
  • Oak Brook, IL
  • NPI 1700598059

  Gerontology, TX

  Medicare reassignment Care Compare group NPD
• Mana Health Partners TX PLLC

  • Internal Medicine Physician
  • Houston, TX
  • NPI 1639970734
  Medicare reassignment NPD
• Questcare Hospitalists PLLC

  • Emergency Medicine Physician
  • Dallas, TX
  • NPI 1265441620

  Nurse Practitioner

  Medicare reassignment NPD
• Texas Health Physicians Group

  • Internal Medicine Physician
  • Fort Worth, TX
  • NPI 1174573596
  Medicare reassignment NPD
• Questcare Matrix PLLC

  • Emergency Medicine Physician
  • Southlake, TX
  • NPI 1497171110

  Nurse Practitioner

  NPD
• Texas Health Physicians Group

  dba Sleep Healers

  • Sleep Disorder Diagnostic Clinic/Center
  • Fort Worth, TX
  • NPI 1114395969
  NPD
• Texas Health Physicians Group

  dba Sleep Healers

  • Sleep Disorder Diagnostic Clinic/Center
  • Dallas, TX
  • NPI 1174992051
  NPD

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

{
    "created_epoch": "1473897600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1774569600000",
    "number": "1588112791",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "5495 BELT LINE RD STE 200",
            "city": "DALLAS",
            "state": "TX",
            "postal_code": "752547658",
            "telephone_number": "214-712-2606"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "5495 BELT LINE RD STE 200",
            "city": "DALLAS",
            "state": "TX",
            "postal_code": "752547658",
            "telephone_number": "214-712-2606"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "LOCKHART",
        "first_name": "KARYN",
        "middle_name": "BROOKE",
        "credential": "AGPCNP-BC",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2016-09-15",
        "last_updated": "2026-03-27",
        "certification_date": "2026-03-27",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LP2300X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Primary Care",
            "state": "TX",
            "license": "AP131787",
            "primary": false
        },
        {
            "code": "363L00000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner",
            "state": "TX",
            "license": "AP131787",
            "primary": false
        },
        {
            "code": "363LG0600X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Gerontology",
            "state": "TX",
            "license": "AP131787",
            "primary": false
        },
        {
            "code": "363LA2200X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Adult Health",
            "state": "TX",
            "license": "AP131787",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Joy L. Lockard, M.S.
• Emily Locke, OTD
• Jeremy S Locke, NP
• Yova S Lockett, LMT
• Diamond Danielle Lockhart
• Kerstie Lockhart, MA
• Marilyn Lockhart
• Paige Ja NE Lockhart, MA, BCBA
• Sherri Renae Lockhart, TEAM LEADER
• Joseph B. Lockridge, MD

• Adult Health Nurse Practitioner in Dallas, TX
• Providers in Dallas, TX by specialty
• Adult Health Nurse Practitioner in Texas

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 27, 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.