Individual provider Active NPI

William Patrick Zeleznak, MD

  • Anesthesiology Physician
  • Fort Worth, TX
National Provider Identifier
1184111759
Registry record updated Mar 11, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Anesthesiology PhysicianTaxonomy code 207L00000X
License
V5857 Issued in TX
Practice address
900 8TH Ave
Fort Worth, TX 76104-3902
Phone
(817) 336-2100
NPI assigned
Apr 18, 2018
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Mar 11, 2025

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 V5857 TX Primary

Addresses

Primary practice location

900 8TH Ave
Fort Worth, TX 76104-3902

Mailing address

900 8TH Ave
Ft Worth, TX 76104-3902

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in OH, TX2 enrollments
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 2

Enrollment IDStateProvider typePAC IDDetails
I20220808000762 OH Practitioner - Anesthesiology 0244612281 Reassigns benefits to 1 organization
I20250402002825 TX Practitioner - Anesthesiology 0244612281 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Anesthesiology
Education
Other, 2018
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Northstar Anesthesia III PAGroup PAC ID 0042630501, 393 clinicians

Practice addresses (Care Compare)

1400 8TH Ave
Fort Worth, TX 76104-4110
Phone (817) 926-2544

900 8TH Ave
Fort Worth, TX 76104-3902
Phone (817) 336-2100

PO Box
Suite 222262
Dallas, TX 75222-2262

Hospital & facility affiliations

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
The Metrohealth System Current Accepting new patients
The Metrohealth System Anesthesiology CurrentSince Jul 25, 2022 Accepting new patients
Northstar Anesthesia III PA Anesthesiology CurrentSince Mar 1, 2025 Accepting new patients
The Metrohealth System CurrentSince Jul 25, 2022 Accepting new patients

Locations

2500 Metrohealth Dr
Cleveland, OH 44109
Phone (216) 778-2348

3315 S Alameda St
Corpus Christi, TX 78411
Phone (361) 761-1400

621 N Hall St
Dallas, TX 75226
Phone (214) 820-0600

900 8th Ave
Ft Worth, TX 76104
Phone (817) 336-2100

1400 8th Ave
Ft Worth, TX 76104
Phone (817) 922-1559

Interoperability endpoints

  • Direct secure messaging: wzeleznak228167@direct.metrohealth.org

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, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

Hospital & facility affiliations 1

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": "1524009600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1741651200000",
    "number": "1184111759",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "900 8TH AVE",
            "city": "FT WORTH",
            "state": "TX",
            "postal_code": "761043902"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "900 8TH AVE",
            "city": "FORT WORTH",
            "state": "TX",
            "postal_code": "761043902",
            "telephone_number": "817-336-2100"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "ZELEZNAK",
        "first_name": "WILLIAM",
        "middle_name": "PATRICK",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2018-04-18",
        "last_updated": "2025-03-11",
        "certification_date": "2025-03-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207L00000X",
            "taxonomy_group": "",
            "desc": "Anesthesiology",
            "state": "TX",
            "license": "V5857",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Fort Worth, TX

Sources for this page

Verify at the official NPI Registry.