Individual provider Active NPI

Nathan Fleck, CRNA

  • Certified Registered Nurse Anesthetist
  • Fort Worth, TX
National Provider Identifier
1255654281
Registry record updated Mar 4, 2010
On this page

Key facts

NPPES NPI Registry
Primary specialty
Certified Registered Nurse AnesthetistTaxonomy code 367500000X
License
717680 Issued in TX
Practice address
1500 S Main St
Fort Worth, TX 76104-4917
Phone
(817) 921-3431
NPI assigned
Mar 4, 2010
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Mar 4, 2010

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Certified Registered Nurse Anesthetist 367500000X 717680 TX Primary

Addresses

Primary practice location

1500 S Main St
Fort Worth, TX 76104-4917

Mailing address

1613 Harrison Pkwy
Suite 200
Sunrise, FL 33323-2896
Phone (954) 838-2371

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in TX

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20100518000140 TX Practitioner - Certified Registered Nurse Anesthetist (Crna) 5597893271 Reassigns benefits to 4 organizations

Care Compare profile

Medicare Care Compare
Specialty
Certified Registered Nurse Anesthetist (Crna)
Education
Other, 2009
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Healthtexas Provider NetworkGroup PAC ID 1355254210, 2,535 clinicians
Endo Sedation LLCGroup PAC ID 4789845363, 289 clinicians

Practice addresses (Care Compare)

1400 8TH Ave
C770
Fort Worth, TX 76104-4110
Phone (817) 922-1770

9500 N Central Expy
Suite 200
Dallas, TX 75231-5128
Phone (214) 739-9544

Hospital & facility affiliations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled

Practice roles

OrganizationSpecialtyStatusNew patients
Healthtexas Provider Network CurrentSince Jun 15, 2025 Accepting new patients
Endo Sedation LLC Nurse Anesthetist, Certified Registered Current Accepting new patients
Ad of Texas PLLC CurrentSince Jun 21, 2025 Accepting new patients
Healthtexas Provider Network Current Accepting new patients
Sound Physicians Anesthesiology of Texas PLLC CurrentSince May 1, 2021 Accepting new patients
Endo Sedation LLC Nurse Anesthetist, Certified Registered CurrentSince Aug 15, 2014 Accepting new patients
Endo Sedation LLC Nurse Anesthetist, Certified Registered CurrentSince Aug 15, 2014 Accepting new patients

Locations

5408 Colleyville Blvd
Colleyville, TX 76034
Phone (817) 498-9920

6421 Saratoga Blvd
Bldg 105
Corpus Christi, TX 78414
Phone (361) 985-9300

4001 Worth St
Dallas, TX 75246
Phone (214) 828-1745

9500 N Central Expy
Ste 200
Dallas, TX 75231
Phone (214) 739-9544

4001 Worth St
#A
Dallas, TX 75246
Phone (214) 820-8665

1001 Surrey Ln
Flower Mound, TX 75022
Phone (817) 337-3671

1400 8th Ave
#C770
Fort Worth, TX 76104
Phone (817) 922-1770

1500 S Main St
Ft Worth, TX 76104
Phone (817) 921-3431

1800 Park Place Ave
Ft Worth, TX 76110
Phone (682) 703-5600

2001 W Rosedale St
Ft Worth, TX 76104
Phone (817) 877-4777

180 Bear Creek Pkwy
Keller, TX 76248
Phone (817) 337-3671

135 Bunton Creek Rd
Ste 201
Kyle, TX 78640
Phone (512) 314-5438

100 Medical Pkwy
Lakeway, TX 78738
Phone (512) 206-8100

2704 N Galloway Ave
Ste 102
Mesquite, TX 75150
Phone (972) 961-7171

821 N Coleman St
Ste 100
Prosper, TX 75078
Phone (469) 800-5200

Organizations & group practices 7

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": "1267660800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1267660800000",
    "number": "1255654281",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1613 HARRISON PKWY",
            "address_2": "SUITE 200",
            "city": "SUNRISE",
            "state": "FL",
            "postal_code": "333232896",
            "telephone_number": "954-838-2371",
            "fax_number": "954-851-1746"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1500 S MAIN ST",
            "city": "FORT WORTH",
            "state": "TX",
            "postal_code": "761044917",
            "telephone_number": "817-921-3431"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "FLECK",
        "first_name": "NATHAN",
        "credential": "CRNA",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2010-03-04",
        "last_updated": "2010-03-04",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "367500000X",
            "taxonomy_group": "",
            "desc": "Nurse Anesthetist, Certified Registered",
            "state": "TX",
            "license": "717680",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Fort Worth, TX

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 4, 2010; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
  • 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.