William Giesing, MD

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

V8268 Issued in TX

Practice address

1441 N Beckley Ave
Dallas, TX 75203-1201

Phone

(214) 947-2306

NPI assigned

Apr 18, 2022

Sex

Male

Sole proprietor

No

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

Specialties & licenses 2

Addresses

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

Specialty

Internal Medicine

Education

Southern Illinois University School of Medicine, 2022

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

MedhealthGroup PAC ID 9931001567, 435 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Methodist Southlake Medical Center Hospital, Southlake, TX, CCN 670132
• Methodist Dallas Medical Center Hospital, Dallas, TX, CCN 450051

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

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.

• Medhealth

  • Family Medicine Physician
  • Dallas, TX
  • NPI 1912957200

  Internal Medicine

  Medicare reassignment Care Compare group NPD
• Medhealth

  • Urgent Care Clinic/Center
  • Grand Prairie, TX
  • NPI 1558762690
  NPD

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• Methodist Hospitals of Dallas

  • General Acute Care Hospital
  • Dallas, TX
  • NPI 1528027786
  Care Compare affiliation
• Methodist Hospitals of Dallas

  • General Acute Care Hospital
  • Southlake, TX
  • NPI 1568818417
  Care Compare affiliation

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

{
    "created_epoch": "1650240000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1752796800000",
    "number": "1952044992",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1441 N BECKLEY AVE",
            "city": "DALLAS",
            "state": "TX",
            "postal_code": "752031201"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1441 N BECKLEY AVE",
            "city": "DALLAS",
            "state": "TX",
            "postal_code": "752031201",
            "telephone_number": "214-947-2306"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GIESING",
        "first_name": "WILLIAM",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2022-04-18",
        "last_updated": "2025-07-18",
        "certification_date": "2025-07-18",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "TX",
            "license": "V8268",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Monisha Parvin Gidvani, M.D.
• Mickey Ray Gierhart, MD
• Abbye C Gieringer, OTR
• Kelly B Giesecke, OT
• Mary Kay Giesecke, MS-CCC-SLP
• Gifted Souls Mental Health Community Center LLC
• Gifted Souls Mental Health Community Center LLC
• Gifted Souls Mental Health Community Center LLC
• Kristin Lane Giggleman, CCC-SLP
• Kristin Hittle Gigli, CPNP

• Internal Medicine Physician in Dallas, TX
• Providers in Dallas, TX by specialty
• Internal Medicine Physician in Texas

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 18, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• 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.