Individual provider Active NPI

Tammie Warren, APRN, CPNP-AC/PC

  • Acute Care Nurse Practitioner
  • Fort Worth, TX
National Provider Identifier
1386850667
Registry record updated Sep 1, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Acute Care Nurse PractitionerTaxonomy code 363LA2100X
License
AP114957 Issued in TX
Practice address
1500 Cooper St
Fort Worth, TX 76104-2710
Phone
(682) 885-4007
Fax
(682) 885-3914
NPI assigned
May 15, 2007
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Sep 1, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Pediatric Nurse Practitioner 363LP0200X 700730 TX
Acute Care Nurse Practitioner 363LA2100X AP114957 TX Primary

Addresses

Primary practice location

1500 Cooper St
Fort Worth, TX 76104-2710

Mailing address

PO Box 733784
Dallas, TX 75373-3784
Phone (682) 885-6483

Electronic endpoints 1

TypeEndpointUseAffiliation
Direct Messaging Address twarren260221@CookChildrensdirect-ci.com

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
I20090604000449 TX Practitioner - Nurse Practitioner 7315097888 Reassigns benefits to 1 organization

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
700730TXMDPediatric Nurse Practitioner

Practice roles

OrganizationSpecialtyStatusNew patients
Surgeons Who Only Care for Kids, PA CurrentSince Dec 15, 2013 Accepting new patients
Surgeons Who Only Care for Kids, PA CurrentSince Dec 15, 2013 Accepting new patients

Locations

1301 Barbara Jordan Blvd
Austin, TX 78723
Phone (512) 324-0098

9010 N Lake Creek Pkwy
Ste 300
Austin, TX 78717

1301 Barbara Jordan Blvd
Ste 400
Austin, TX 78723
Phone (512) 708-4567

1401 Medical Pkwy
Cedar Park, TX 78613
Phone (512) 528-7000

Interoperability endpoints

  • FHIR API: https://api.platform.athenahealth.com/8363/brand/2/csg/1/fhir/r4
  • Direct secure messaging: tammie.warren.1@8363.direct.athenahealth.com

Organizations & group practices 2

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

NPI Registry JSON

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

{
    "created_epoch": "1179187200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1788220800000",
    "number": "1386850667",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 733784",
            "city": "DALLAS",
            "state": "TX",
            "postal_code": "753733784",
            "telephone_number": "682-885-6483",
            "fax_number": "682-885-3113"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1500 COOPER ST",
            "city": "FORT WORTH",
            "state": "TX",
            "postal_code": "761042710",
            "telephone_number": "682-885-4007",
            "fax_number": "682-885-3914"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "WARREN",
        "first_name": "TAMMIE",
        "name_prefix": "Mrs.",
        "credential": "APRN, CPNP-AC/PC",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2007-05-15",
        "last_updated": "2026-09-01",
        "certification_date": "2026-09-01",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LP0200X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Pediatrics",
            "state": "TX",
            "license": "700730",
            "primary": false
        },
        {
            "code": "363LA2100X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Acute Care",
            "state": "TX",
            "license": "AP114957",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "twarren260221@CookChildrensdirect-ci.com",
            "affiliation": "N",
            "address_1": "1500 Cooper St",
            "city": "Fort Worth",
            "state": "TX",
            "country_code": "US",
            "postal_code": "761042710",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Fort Worth, TX

Sources for this page

Verify at the official NPI Registry.