Individual provider Active NPI

Alex L Chang, MD

  • Surgery Physician
  • Houston, TX
National Provider Identifier
1578820015
Registry record updated Jan 7, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Surgery PhysicianTaxonomy code 208600000X
License
W1398 Issued in TX
Practice address
6411 Fannin St
Houston, TX 77030-1501
Phone
(713) 704-4000
NPI assigned
Apr 23, 2012
Last updated
Jan 7, 2026By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jan 7, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Transplant Surgery Physician 204F00000X 35.133496 OH
Surgery Physician 208600000X W1398 TX Primary

Addresses

Primary practice location

6411 Fannin St
Houston, TX 77030-1501

Mailing address

6431 Fannin St
Houston, TX 77030-1501
Phone (713) 876-6476

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
I20210528001456 OH Practitioner - General SurgeryPractitioner - Other (Physician) 6507008711 Reassigns benefits to 1 organization
I20260205002806 TX Practitioner - General Surgery 6507008711 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
General Surgery
Education
Baylor College of Medicine, 2012
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Ut PhysiciansGroup PAC ID 8426960360, 1,744 clinicians

Practice addresses (Care Compare)

3130 Highland Ave
Cincinnati, OH 45219-2399
Phone (513) 584-4503

6411 Fannin St
Houston, TX 77030-1501
Phone (713) 704-4000

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
82 of 100Reported as group
Quality
65.97
Promoting interoperability
100
Improvement activities
40
Cost
74.01

Procedures performed for Medicare patients

ProcedureNumber of procedures
Hernia repair - groin (open)1-10

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
W1398TXMDSurgery Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Ut Physicians Surgery CurrentSince Feb 1, 2026 Accepting new patients
Ut Physicians CurrentSince Feb 1, 2026 Accepting new patients
University of Cincinnati Physicians Company, LLC Surgery CurrentSince Jul 15, 2021 Accepting new patients
University of Cincinnati Medical Center, LLC Past Accepting new patients

Locations

2123 Auburn Ave
#A28
Cincinnati, OH 45219
Phone (513) 585-0523

231 Albert Sabin Way
Cincinnati, OH 45267
Phone (513) 558-6356

2830 Victory Pkwy
Cincinnati, OH 45206
Phone (513) 245-3335

3130 Highland Ave
Cincinnati, OH 45219
Phone (513) 584-4061

3130 Highland Ave
Ste 3200
Cincinnati, OH 45219
Phone (513) 584-5176

3188 Bellevue Ave
Cincinnati, OH 45219
Phone (513) 558-5281

3200 Burnet Ave
Cincinnati, OH 45229
Phone (513) 558-7700

7690 Discovery Dr
West Chester, OH 45069
Phone (513) 475-7425

6410 Fannin St
Ste 500
Houston, TX 77030
Phone (713) 500-5714

6411 Fannin St
Houston, TX 77030
Phone (713) 500-6200

Interoperability endpoints

  • Direct secure messaging: achang14459@direct.uchealth.com

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 4

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": "1335139200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1767744000000",
    "number": "1578820015",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "6431 FANNIN ST",
            "city": "HOUSTON",
            "state": "TX",
            "postal_code": "770301501",
            "telephone_number": "713-876-6476"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "6411 FANNIN ST",
            "city": "HOUSTON",
            "state": "TX",
            "postal_code": "770301501",
            "telephone_number": "713-704-4000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "CHANG",
        "first_name": "ALEX",
        "middle_name": "L",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2012-04-23",
        "last_updated": "2026-01-07",
        "certification_date": "2026-01-07",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "204F00000X",
            "taxonomy_group": "",
            "desc": "Transplant Surgery",
            "state": "OH",
            "license": "35.133496",
            "primary": false
        },
        {
            "code": "208600000X",
            "taxonomy_group": "",
            "desc": "Surgery",
            "state": "TX",
            "license": "W1398",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Houston, TX

Sources for this page

Verify at the official NPI Registry.