Individual provider Active NPI

Lia Thomas Chacko, M.D

  • Internal Medicine Physician
  • Houston, TX
National Provider Identifier
1053726976
Registry record updated Apr 13, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
01087095A Issued in IN
Practice address
6431 Fannin St
JJL 450
Houston, TX 77030-1501
Phone
(713) 500-7885
Fax
(713) 500-0626
NPI assigned
Jun 30, 2014
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Apr 13, 2026

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Hospitalist Physician 208M00000X 01087095A IN
Internal Medicine Physician 207R00000X Q8369 TX
Internal Medicine Physician 207R00000X 01087095A IN Primary

Addresses

Primary practice location

6431 Fannin St
JJL 450
Houston, TX 77030-1501

Mailing address

600 Mary St
Evansville, IN 47710-1658

Other names 1

  • Lia Mariam Thomas Former name

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in TX, IN2 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
I20160725002421 TX Practitioner - HospitalistPractitioner - Internal Medicine 5395038624 Reassigns benefits to 4 organizations
I20250904000659 IN Practitioner - Hospitalist 5395038624 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Hospitalist
Education
Other, 2010
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Deaconess Hospital, Inc.Group PAC ID 9032021431, 410 clinicians

Practice addresses (Care Compare)

600 Mary St
Evansville, IN 47710-1658
Phone (812) 450-7299

Hospital & facility affiliations

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
Q8369TXMDInternal Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Lonestar Hospital Medicine Associates, PA Internal Medicine CurrentSince Jun 15, 2018 Accepting new patients
Ut Physicians Internal Medicine CurrentSince Aug 31, 2016 Accepting new patients
Ut Physicians CurrentSince Aug 31, 2016 Accepting new patients
Lonestar Pat Associates PA Internal Medicine CurrentSince Sep 29, 2020 Accepting new patients
Ipc Healthcare Services of Texas, PLLC Internal Medicine CurrentSince Oct 1, 2018 Accepting new patients
Deaconess Hospital Inc CurrentSince Jun 28, 2025 Accepting new patients
Deaconess Hospital, Inc Internal Medicine CurrentSince Jun 28, 2025 Accepting new patients

Locations

600 Mary St
Evansville, IN 47710
Phone (812) 450-2239

4011 Gateway Blvd
Newburgh, IN 47630
Phone (812) 450-2240

901 W Ben White Blvd
Austin, TX 78704
Phone (512) 342-2382

12221 N Mopac Expy
Austin, TX 78758
Phone (512) 901-2530

2000 Scenic Dr
Georgetown, TX 78626
Phone (512) 863-2117

6410 Fannin St
Ste 600
Houston, TX 77030
Phone (832) 325-7100

6431 Fannin St
#417
Houston, TX 77030
Phone (713) 500-7885

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

6431 Fannin St
#450
Houston, TX 77030
Phone (713) 500-7885

11800 Astoria Blvd
Pearland, TX 77089
Phone (281) 929-6100

2400 Round Rock Ave
Round Rock, TX 78681
Phone (512) 255-6066

111 Dallas St
San Antonio, TX 78205
Phone (210) 297-7000

6801 Emmett F Lowry Expy
Texas City, TX 77591
Phone (409) 938-5095

Organizations & group practices 7

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.

Hospital & facility affiliations 2

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": "1404086400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1776038400000",
    "number": "1053726976",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "600 MARY ST",
            "city": "EVANSVILLE",
            "state": "IN",
            "postal_code": "477101658"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "6431 FANNIN ST",
            "address_2": "JJL 450",
            "city": "HOUSTON",
            "state": "TX",
            "postal_code": "770301501",
            "telephone_number": "713-500-7885",
            "fax_number": "713-500-0626"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "CHACKO",
        "first_name": "LIA",
        "middle_name": "THOMAS",
        "credential": "M.D",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2014-06-30",
        "last_updated": "2026-04-13",
        "certification_date": "2026-04-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208M00000X",
            "taxonomy_group": "",
            "desc": "Hospitalist",
            "state": "IN",
            "license": "01087095A",
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "TX",
            "license": "Q8369",
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "IN",
            "license": "01087095A",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "LIA",
            "last_name": "THOMAS",
            "middle_name": "MARIAM",
            "credential": "MD",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

Other providers in Houston, TX

Sources for this page

Verify at the official NPI Registry.