Individual provider Active NPI

Mark Szczerba, DDS

  • General Practice Dentistry
  • Fort Worth, TX
National Provider Identifier
1124793575
Registry record updated Feb 3, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
General Practice DentistryTaxonomy code 1223G0001X
License
35823 Issued in TX
Practice address
3509 Hulen St Ste 205
Fort Worth, TX 76107-6865
Phone
(817) 737-0721
NPI assigned
Aug 9, 2021
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Feb 3, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
General Practice Dentistry 1223G0001X 35823 TX Primary

Addresses

Primary practice location

3509 Hulen St Ste 205
Fort Worth, TX 76107-6865

Mailing address

PO Box 9605
Wichita Falls, TX 76308-9605

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Not enrolled

State licenses

LicenseStateTypeSpecialty
35823TXMDGeneral Practice Dentistry

NPI Registry JSON

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

{
    "created_epoch": "1628467200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1770076800000",
    "number": "1124793575",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 9605",
            "city": "WICHITA FALLS",
            "state": "TX",
            "postal_code": "763089605"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3509 HULEN ST STE 205",
            "city": "FORT WORTH",
            "state": "TX",
            "postal_code": "761076865",
            "telephone_number": "817-737-0721"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "SZCZERBA",
        "first_name": "MARK",
        "credential": "DDS",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2021-08-09",
        "last_updated": "2026-02-03",
        "certification_date": "2026-02-03",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "1223G0001X",
            "taxonomy_group": "",
            "desc": "Dentist, General Practice",
            "state": "TX",
            "license": "35823",
            "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 Feb 3, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.