NPIMap

Individual provider Active NPI

Chacko Alexander, M.D.

  • Interventional Cardiology Physician
  • The Woodlands, TX
National Provider Identifier
1033110200
Registry record updated Jul 27, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Interventional Cardiology PhysicianTaxonomy code 207RI0011X
License
K7968 Issued in TX
Practice address
17350 St Lukes Way
Suite 400
The Woodlands, TX 77384-4100
Phone
(281) 444-3278
Fax
(832) 249-3861
NPI assigned
Aug 9, 2005
Last updated
Jul 27, 2026By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 27, 2026

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X K7968 TX
Cardiovascular Disease Physician 207RC0000X K7968 TX
Interventional Cardiology Physician 207RI0011X K7968 TX Primary

Addresses

Primary practice location

17350 St Lukes Way
Suite 400
The Woodlands, TX 77384-4100

Mailing address

17350 St Lukes Way Ste 400
The Woodlands, TX 77384-4167
Phone (281) 444-3278

Other practice location 1

2255 E Mossy Oaks Rd Ste 600
Spring, TX 77389-1813
Phone (281) 444-3278

Other practice location 2

119 Medical Park Ln Ste C
Huntsville, TX 77340-4980
Phone (281) 444-3278

Other practice location 3

20207 Chasewood Park Dr Ste 305
Houston, TX 77070-1442
Phone (281) 444-3278

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in TX
Eligible to order & refer
  • Part B services
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20040622000018 TX Practitioner - Cardiovascular Disease (Cardiology) 0941285266 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Interventional Cardiology
Education
Other, 1990
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Baylor St. Luke's Medical GroupGroup PAC ID 9133213192, 172 clinicians

Practice addresses (Care Compare)

17350 St Lukes Way
Suite 400
The Woodlands, TX 77384-4167
Phone (281) 444-3278

Hospital & facility affiliations

Procedures performed for Medicare patients

ProcedureNumber of procedures
Coronary angioplasty and stenting1-10
Pacemaker insertion or repair1-10

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
K7968TXMDInternal Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Baylor St. Luke's Medical Group Internal Medicine CurrentSince Jan 1, 2017 Accepting new patients
Cardiovascular Care Providers, Inc. Past Accepting new patients
Nasser Cardiology, P.a. Cardiovascular Disease Past Accepting new patients
Baylor College of Medicine Past Accepting new patients

Locations

1140A Cypress Station Dr
Ste 300
Houston, TX 77090

2 Greenway Plz
Ste 900
Houston, TX 77046
Phone (713) 798-1835

20207 Chasewood Park Dr
Ste 300
Houston, TX 77070
Phone (832) 534-7800

20207 Chasewood Park Dr
Ste 305
Houston, TX 77070
Phone (832) 534-7600

6624 Fannin St
Ste 1240
Houston, TX 77030
Phone (832) 355-5575

119 Medical Park Ln
Ste C
Huntsville, TX 77340
Phone (936) 271-3400

2255 E Mossy Oaks Rd
Ste 320
Spring, TX 77389
Phone (832) 534-7860

2255 E Mossy Oaks Rd
Ste 600
Spring, TX 77389
Phone (936) 266-4800

17198 St Lukes Way
Ste 440
The Woodlands, TX 77384
Phone (936) 266-2500

17350 St Lukes Way
Ste 400
The Woodlands, TX 77384
Phone (832) 249-3721

Interoperability endpoints

  • Direct secure messaging: chaalexander@direct.uspi.com
  • FHIR API: https://fhir4.healow.com/fhir/r4/DDFGBA/Endpoint/DDFGBA
  • FHIR API: https://fhir4.healow.com/fhir/r4/JIHBCA

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 10

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": "1123545600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1785110400000",
    "number": "1033110200",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "17350 ST LUKES WAY STE 400",
            "city": "THE WOODLANDS",
            "state": "TX",
            "postal_code": "773844167",
            "telephone_number": "281-444-3278",
            "fax_number": "832-249-3850"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "17350 ST LUKES WAY",
            "address_2": "SUITE 400",
            "city": "THE WOODLANDS",
            "state": "TX",
            "postal_code": "773844100",
            "telephone_number": "281-444-3278",
            "fax_number": "832-249-3861"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "2255 E Mossy Oaks Rd Ste 600",
            "address_purpose": "LOCATION",
            "city": "Spring",
            "state": "TX",
            "postal_code": "773891813",
            "country_code": "US",
            "telephone_number": "281-444-3278",
            "fax_number": "832-249-3850",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "119 Medical Park Ln Ste C",
            "address_purpose": "LOCATION",
            "city": "Huntsville",
            "state": "TX",
            "postal_code": "773404980",
            "country_code": "US",
            "telephone_number": "281-444-3278",
            "fax_number": "832-249-3850",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "20207 Chasewood Park Dr Ste 305",
            "address_purpose": "LOCATION",
            "city": "Houston",
            "state": "TX",
            "postal_code": "770701442",
            "country_code": "US",
            "telephone_number": "281-444-3278",
            "fax_number": "832-249-3850",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "ALEXANDER",
        "first_name": "CHACKO",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-08-09",
        "last_updated": "2026-07-27",
        "certification_date": "2026-07-27",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "TX",
            "license": "K7968",
            "primary": false
        },
        {
            "code": "207RC0000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Cardiovascular Disease",
            "state": "TX",
            "license": "K7968",
            "primary": false
        },
        {
            "code": "207RI0011X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Interventional Cardiology",
            "state": "TX",
            "license": "K7968",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in The Woodlands, TX

Sources for this page

Verify at the official NPI Registry.