Individual provider Active NPI

Timothy Jon Twaddell, MD

  • Anesthesiology Physician
  • Dallas, TX
National Provider Identifier
1689610081
Registry record updated Aug 4, 2022
On this page

Key facts

NPPES NPI Registry
Primary specialty
Anesthesiology PhysicianTaxonomy code 207L00000X
License
L6689 Issued in TX
Practice address
12222 Merit Dr Ste 600
Dallas, TX 75251-3294
Phone
(972) 715-5000
Fax
(972) 715-9976
NPI assigned
Jun 22, 2006
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Aug 4, 2022

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Anesthesiology Physician 207L00000X L6689 TX Primary

Addresses

Primary practice location

12222 Merit Dr Ste 600
Dallas, TX 75251-3294

Mailing address

PO Box 840853
Dallas, TX 75284-0853
Phone (972) 233-1999

Other practice location 1

1500 Citywest Blvd
Ste. 300
Houston, TX 77042-2300
Phone (713) 620-4000

Other practice location 2

6606 Lbj Fwy Ste 200
Dallas, TX 75240-6524
Phone (972) 715-5000

Other identifiers 4

IdentifierTypeStateIssuer
8S9668OtherTXBCBS
161132901MedicaidTX
161132907MedicaidTX
P01624137OtherTXRR MEDICARE

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: Yes
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20050426001398 TX Practitioner - Anesthesiology 1658310941 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Anesthesiology
Education
University of Texas Southwestern Medical School at Dallas, 1999
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
U S Anesthesia Partners of Texas, PAGroup PAC ID 7315850351, 2,750 clinicians

Practice addresses (Care Compare)

2411 Fountain View Dr
Suite 200
Houston, TX 77057-4832
Phone (713) 620-4000

Hospital & facility affiliations

  • Baylor Scott & White Texas Spine & Joint Hospital Hospital, Tyler, TX, CCN 450864
  • Baylor University Medical Center Hospital, Dallas, TX, CCN 450021

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
L6689TXMDAnesthesiology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
U S Anesthesia Partners of Texas, PA Anesthesiology CurrentSince Nov 1, 2015 Accepting new patients
University of Texas Health Science Center at Tyler-Facilty-Physician CurrentSince Feb 1, 2005 Accepting new patients
U. S. Anesthesia Partners of Texas, P.a., Anesthesiology CurrentSince Nov 1, 2015 Accepting new patients
University of Texas Health Science Center at Tyler-Facility-Physician CurrentSince Feb 1, 2005 Accepting new patients

Locations

6606 Lyndon B Johnson Fwy
Ste 200
Dallas, TX 75240
Phone (682) 885-4054

3500 W Wheatland Rd
Dallas, TX 75237
Phone (214) 947-5950

12222 Merit Dr
Ste 600
Dallas, TX 75251
Phone (972) 361-1844

2411 Fountain View Dr
Ste 200
Houston, TX 77057
Phone (713) 458-4185

1500 Citywest Blvd
Ste 300
Houston, TX 77042
Phone (713) 458-4185

7600 Beechnut St
Houston, TX 77074
Phone (713) 456-5000

100 Medical Dr
Lake Jackson, TX 77566
Phone (713) 496-7555

4500 Medical Center Dr
McKinney, TX 75069
Phone (972) 547-8190

102 W Henderson St
Overton, TX 75684
Phone (903) 834-0201

9250 Pinecroft Dr
Shenandoah, TX 77380
Phone (281) 364-2300

3200 Troup Hwy
Ste 200
Tyler, TX 75701
Phone (903) 533-8084

11937 US Highway 271
Tyler, TX 75708
Phone (903) 877-3451

6565 Fannin St
Va Hospital, TX 77030
Phone (713) 394-6000

Organizations & group practices 4

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.

Hospital & facility affiliations 2

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": "1150934400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1659571200000",
    "number": "1689610081",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 840853",
            "city": "DALLAS",
            "state": "TX",
            "postal_code": "752840853",
            "telephone_number": "972-233-1999",
            "fax_number": "972-233-3666"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "12222 MERIT DR STE 600",
            "city": "DALLAS",
            "state": "TX",
            "postal_code": "752513294",
            "telephone_number": "972-715-5000",
            "fax_number": "972-715-9976"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1500 Citywest Blvd",
            "address_2": "Ste. 300",
            "address_purpose": "LOCATION",
            "city": "Houston",
            "state": "TX",
            "postal_code": "770422300",
            "country_code": "US",
            "telephone_number": "713-620-4000",
            "fax_number": "713-458-4229",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "6606 Lbj Fwy Ste 200",
            "address_purpose": "LOCATION",
            "city": "Dallas",
            "state": "TX",
            "postal_code": "752406524",
            "country_code": "US",
            "telephone_number": "972-715-5000",
            "fax_number": "972-715-9976",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "TWADDELL",
        "first_name": "TIMOTHY",
        "middle_name": "JON",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-06-22",
        "last_updated": "2022-08-04",
        "certification_date": "2022-08-04",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207L00000X",
            "taxonomy_group": "",
            "desc": "Anesthesiology",
            "state": "TX",
            "license": "L6689",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "BCBS",
            "identifier": "8S9668",
            "state": "TX"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "161132901",
            "state": "TX"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "161132907",
            "state": "TX"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "RR MEDICARE",
            "identifier": "P01624137",
            "state": "TX"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Dallas, TX

Sources for this page

Verify at the official NPI Registry.