Individual provider Active NPI

Katherine Lee Oneil, DO

  • Emergency Medicine Physician
  • Southlake, TX
National Provider Identifier
1477133114
Registry record updated May 3, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Emergency Medicine PhysicianTaxonomy code 207P00000X
License
W4916 Issued in TX
Practice address
421 E State Highway 114 # 100
Southlake, TX 76092-3635
Phone
(682) 335-2000
NPI assigned
Apr 8, 2021
Last updated
May 3, 2026By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on May 3, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Emergency Medicine Physician 207P00000X W4916 TX Primary

Addresses

Primary practice location

421 E State Highway 114 # 100
Southlake, TX 76092-3635

Mailing address

6113 Legacy TRL
Colleyville, TX 76034-1328
Phone (817) 578-4786

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in FL
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 1

Enrollment IDStateProvider typePAC IDDetails
I20241119003066 FL Practitioner - Emergency Medicine 7719412303 Reassigns benefits to 1 organization

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
W4916TXMDEmergency Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Emergency Medicine Services of FL, LLC Emergency Medicine CurrentSince Sep 6, 2024 Accepting new patients

Locations

5301 S Congress Ave
Fl Jfk
Atlantis, FL 33462
Phone (561) 236-9361

322 SW Pine Island Rd
Cape Coral, FL 33991
Phone (941) 249-6858

20900 Biscayne Blvd
Miami, FL 33180
Phone (305) 682-7290

105 Tamiami Trl
Fl Tamiami
Port Charlotte, FL 33953

14000 Fivay Rd
Port Richey, FL 34667
Phone (727) 819-2929

2000 Health Park Dr
Brentwood, TN 37027
Phone (615) 372-5426

Organizations & group practices 1

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": "1617840000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1777766400000",
    "number": "1477133114",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "6113 LEGACY TRL",
            "city": "COLLEYVILLE",
            "state": "TX",
            "postal_code": "760341328",
            "telephone_number": "817-578-4786"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "421 E STATE HIGHWAY 114 # 100",
            "city": "SOUTHLAKE",
            "state": "TX",
            "postal_code": "760923635",
            "telephone_number": "682-335-2000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "ONEIL",
        "first_name": "KATHERINE",
        "middle_name": "LEE",
        "credential": "DO",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2021-04-08",
        "last_updated": "2026-05-03",
        "certification_date": "2026-05-03",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "TX",
            "license": "W4916",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Southlake, TX

Sources for this page

Verify at the official NPI Registry.