Stevenson Chang Tsiao, MD

Primary specialty

Surgery PhysicianTaxonomy code 208600000X

License

T0024 Issued in TX

Practice address

5115 Fannin St Ste 950
Houston, TX 77004-5898

Phone

(713) 493-7700

NPI assigned

Mar 19, 2016

Sex

Male

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Enrolled in TX, IA2 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

Specialty

General Surgery

Education

Texas Tech University Health Science Center School of Medicine, 2016

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

North Iowa Mercy ClinicsGroup PAC ID 7810809076, 304 clinicians

Covenant Medical Center IncGroup PAC ID 0244148732, 234 clinicians

Texas Laparoscopic Consultants, LLPGroup PAC ID 8628137783, 4 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Mercyone North Iowa Medical Center Hospital, Mason City, IA, CCN 160064
• HCA Houston Healthcare Medical Center Hospital, Houston, TX, CCN 450659
• Longview Regional Medical Center Hospital, Longview, TX, CCN 450702
• HCA Houston Healthcare Pearland Hospital, Pearland, TX, CCN 670106

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: stsiao372577@directhoustonmethodist.org
• Direct secure messaging: stsiao388537@direct.stlukeshealth.org
• Direct secure messaging: stsiao101257@direct.llu.edu

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.

• Texas Laparoscopic Consultants, LLP

  • Surgery Physician
  • Houston, TX
  • NPI 1780857177
  Medicare reassignment Care Compare group NPD
• Covenant Medical Center Inc

  • Family Medicine Physician
  • Waterloo, IA
  • NPI 1548288160
  Medicare reassignment Care Compare group NPD
• North Iowa Mercy Clinics

  • Anesthesiology Physician
  • Mason City, IA
  • NPI 1780278242
  Medicare reassignment Care Compare group NPD
• Covenant Medical Center, Inc.

  • Customized Equipment (DME)
  • Evansdale, IA
  • NPI 1851141980
  NPD
• North Iowa Mercy Clinics

  • Cardiovascular Disease Physician
  • Mason City, IA
  • NPI 1801147269
  NPD
• North Iowa Mercy Clinics

  • Family Medicine Physician
  • Forest City, IA
  • NPI 1811003015
  NPD
• North Iowa Mercy Clinics

  • Sports Medicine (Family Medicine) Physician
  • Mason City, IA
  • NPI 1982300349
  NPD

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

• Chca Pearland, L.P.

  • General Acute Care Hospital
  • Pearland, TX
  • NPI 1609275585
  Care Compare affiliation
• Houston - PPH, LLC

  • General Acute Care Hospital
  • Houston, TX
  • NPI 1073043592
  Care Compare affiliation
• Longview Medical Center LP

  • General Acute Care Hospital
  • Longview, TX
  • NPI 1528026267
  Care Compare affiliation
• Mercy Health Services-Iowa Corp

  • Rural Acute Care Hospital
  • Mason City, IA
  • NPI 1467537886
  Care Compare affiliation

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

{
    "created_epoch": "1458345600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1771372800000",
    "number": "1124489034",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "5115 FANNIN ST STE 950",
            "city": "HOUSTON",
            "state": "TX",
            "postal_code": "770045898",
            "telephone_number": "713-493-7700"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "5115 FANNIN ST STE 950",
            "city": "HOUSTON",
            "state": "TX",
            "postal_code": "770045898",
            "telephone_number": "713-493-7700"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "TSIAO",
        "first_name": "STEVENSON",
        "middle_name": "CHANG",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2016-03-19",
        "last_updated": "2026-02-18",
        "certification_date": "2026-02-18",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208600000X",
            "taxonomy_group": "",
            "desc": "Surgery",
            "state": "TX",
            "license": "T0024",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

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• Surgery Physician in Houston, TX
• Providers in Houston, TX by specialty
• Surgery Physician in Texas

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 18, 2026; 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.