Individual provider Active NPI

Nicholas Patrick Carling, M.D.

  • Pediatric Anesthesiology Physician
  • Dallas, TX
National Provider Identifier
1821231754
Registry record updated Jul 31, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Pediatric Anesthesiology PhysicianTaxonomy code 207LP3000X
License
MD435369 Issued in PA
Practice address
12222 Merit Dr Ste 600
Dallas, TX 75251-3294
Phone
(972) 715-5000
Fax
(972) 715-9976
NPI assigned
Apr 7, 2009
Last updated
Jul 31, 2026By the provider in NPPES
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Jul 31, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Pediatric Anesthesiology Physician 207LP3000X N2431 TX
Pediatric Anesthesiology Physician 207LP3000X MD435369 PA Primary

Addresses

Primary practice location

12222 Merit Dr Ste 600
Dallas, TX 75251-3294

Mailing address

3206 Revere St Apt 310
Houston, TX 77098-2239
Phone (832) 654-0721

Other practice location 1

4845 Alameda Ave
El Paso, TX 79905-2705
Phone (915) 298-5444

Other practice location 2

6621 Fannin St
Suite A-300 MC 2-1495
Houston, TX 77030-2303
Phone (832) 824-5800

Other practice location 3

910 E Houston St Ste 400
Tyler, TX 75702-8368
Phone (903) 531-4268

Other practice location 4

800 E Dawson St
Tyler, TX 75701-2036
Phone (903) 606-4500

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
I20090715000435 TX Practitioner - Anesthesiology 0446302806 Reassigns benefits to 3 organizations

Care Compare profile

Medicare Care Compare
Specialty
Anesthesiology
Education
University of Texas Medical Branch at Galveston, 2004
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Texas Childrens Physician GroupGroup PAC ID 4385722081, 661 clinicians

Practice addresses (Care Compare)

6651 Main St
Houston, TX 77030-2351
Phone (832) 826-3000

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
MD435369PAMDPediatric Anesthesiology Physician
N2431TXMDPediatric Anesthesiology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
U S Anesthesia Partners of Texas, PA Anesthesiology CurrentSince Feb 7, 2025 Accepting new patients
U. S. Anesthesia Partners of Texas, P.a., Anesthesiology CurrentSince Feb 7, 2025 Accepting new patients
Children's Physician Services of South Texas CurrentSince Jan 1, 2025 Accepting new patients
Children's Physician Services of South Texas CurrentSince Jan 1, 2025 Accepting new patients

Locations

3533 S Alameda St
Corpus Christi, TX 78411
Phone (361) 694-5445

12222 Merit Dr
Ste 600
Dallas, TX 75251
Phone (972) 776-3185

4845 Alameda Ave
El Paso, TX 79905
Phone (915) 215-5700

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

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

6801 Emmett F Lowry Expy
Texas City, TX 77591
Phone (409) 938-5095

500 W Medical Center Blvd
Webster, TX 77598
Phone (713) 447-4650

Interoperability endpoints

  • Direct secure messaging: ncarling7910@prddirect.texaschildrens.org

Organizations & group practices 5

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": "1239062400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1785456000000",
    "number": "1821231754",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3206 REVERE ST APT 310",
            "city": "HOUSTON",
            "state": "TX",
            "postal_code": "770982239",
            "telephone_number": "832-654-0721"
        },
        {
            "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": "4845 Alameda Ave",
            "address_purpose": "LOCATION",
            "city": "El Paso",
            "state": "TX",
            "postal_code": "799052705",
            "country_code": "US",
            "telephone_number": "915-298-5444",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "6621 Fannin St",
            "address_2": "Suite A-300 MC 2-1495",
            "address_purpose": "LOCATION",
            "city": "Houston",
            "state": "TX",
            "postal_code": "770302303",
            "country_code": "US",
            "telephone_number": "832-824-5800",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "910 E Houston St Ste 400",
            "address_purpose": "LOCATION",
            "city": "Tyler",
            "state": "TX",
            "postal_code": "757028368",
            "country_code": "US",
            "telephone_number": "903-531-4268",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "800 E Dawson St",
            "address_purpose": "LOCATION",
            "city": "Tyler",
            "state": "TX",
            "postal_code": "757012036",
            "country_code": "US",
            "telephone_number": "903-606-4500",
            "fax_number": "903-606-5448",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "CARLING",
        "first_name": "NICHOLAS",
        "middle_name": "PATRICK",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2009-04-07",
        "last_updated": "2026-07-31",
        "certification_date": "2026-07-31",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207LP3000X",
            "taxonomy_group": "",
            "desc": "Anesthesiology, Pediatric Anesthesiology",
            "state": "TX",
            "license": "N2431",
            "primary": false
        },
        {
            "code": "207LP3000X",
            "taxonomy_group": "",
            "desc": "Anesthesiology, Pediatric Anesthesiology",
            "state": "PA",
            "license": "MD435369",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Dallas, TX

Sources for this page

Verify at the official NPI Registry.