NPIMap

Individual provider Active NPI

Thomas James Mulhearn IV, M.D.

  • Interventional Cardiology Physician
  • Lake Charles, LA
National Provider Identifier
1285789008
Registry record updated May 19, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Interventional Cardiology PhysicianTaxonomy code 207RI0011X
License
MD.204430 Issued in LA
Practice address
600 Dr Michael Debakey Dr
Lake Charles, LA 70601-5727
Phone
(337) 436-3813
Fax
(337) 439-0214
NPI assigned
Jan 24, 2007
Last updated
May 19, 2025By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on May 19, 2025

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 MD.204430 LA
Cardiovascular Disease Physician 207RC0000X MD.204430 LA
Interventional Cardiology Physician 207RI0011X MD.204430 LA Primary

Addresses

Primary practice location

600 Dr Michael Debakey Dr
Lake Charles, LA 70601-5727

Mailing address

501 Dr Michael Debakey Dr
Lake Charles, LA 70601-5724
Phone (337) 312-8258

Other practice location 1

703 Cypress St
Sulphur, LA 70663-5053
Phone (337) 310-0395

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in LA
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
I20110726000500 LA Practitioner - Interventional CardiologyPractitioner - Cardiovascular Disease (Cardiology) 9739276007 Reassigns benefits to 3 organizations

Care Compare profile

Medicare Care Compare
Specialty
Interventional CardiologyAlso: Cardiovascular Disease (Cardiology)
Education
Louisiana State University School of Medicine in New Orleans, 2004
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Imperial Health LLPGroup PAC ID 7719886779, 75 clinicians

Practice addresses (Care Compare)

108 6TH Ave
Kinder, LA 70648-3187
Phone (337) 738-2527

1322 Elton Rd
Suite H
Jennings, LA 70546-4100
Phone (337) 246-7200

1727 Imperial Blvd
BLDG 2
Lake Charles, LA 70605-5362
Phone (337) 310-3670

1747 Imperial Blvd
Lake Charles, LA 70605-5362
Phone (337) 721-7236

250 S Beglis Pkwy
Suite 1
Sulphur, LA 70663-3503
Phone (337) 626-2529

277N Hwy 171
Suite 8
Lake Charles, LA 70611-5374
Phone (337) 312-0030

4201 Nelson Rd
Suite 100
Lake Charles, LA 70605-4117
Phone (337) 310-2273

501 Doctor Michael Debakey Dr
Lake Charles, LA 70601-5724
Phone (337) 433-8400

524 Doctor Michael Debakey Dr
Lake Charles, LA 70601-5725
Phone (337) 436-2511

600 Doctor Michael Debakey Dr
Lake Charles, LA 70601-5727
Phone (337) 436-3813

703 Cypress St
Suite a
Sulphur, LA 70663-5053
Phone (337) 310-0395

Hospital & facility affiliations

Procedures performed for Medicare patients

ProcedureNumber of procedures
Coronary angioplasty and stenting23
Pacemaker insertion or repair1-10
Leg revascularization (restoring blood flow)1-10

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
Imperial Health, LLP Internal Medicine CurrentSince Jan 1, 2013 Accepting new patients
Calcasieu Cameron Hospital Service District Current Accepting new patients
Calcasieu Cameron Hospital Service District Cardiovascular Disease CurrentSince Jan 31, 2025 Accepting new patients
Calcasieu Cameron Hospital Service District CurrentSince Jan 31, 2025 Accepting new patients
Christus Health Southwestern Louisiana CurrentSince Mar 12, 2012 Accepting new patients
Imperial Health LLP CurrentSince Jan 1, 2013 Accepting new patients
Cardiovascular Specialists of Southwest Louisiana, LLC Cardiovascular Disease Past Accepting new patients
Christus Health Southwestern Louisiana Past Accepting new patients

Locations

1020 Main St
Hackberry, LA 70645
Phone (337) 762-3762

401 Dr Michael Debakey Dr
Ste 300
Lake Charles, LA 70601
Phone (337) 602-9991

4150 Nelson Rd
Ste G
Lake Charles, LA 70605
Phone (337) 310-0440

4200 Nelson Rd
Lake Charles, LA 70605
Phone (318) 474-6370

4201 Nelson Rd
Ste 100
Lake Charles, LA 70605
Phone (337) 310-2273

501 Dr Michael Debakey Dr
Lake Charles, LA 70601
Phone (337) 312-8258

524 Dr Michael Debakey Dr
Lake Charles, LA 70601
Phone (337) 430-4455

600 Dr Michael Debakey Dr
Lake Charles, LA 70601
Phone (337) 439-5800

711 Dr Michael Debakey Dr
Ste 100
Lake Charles, LA 70601
Phone (337) 436-6100

250 Beglis Pkwy
Ste 2
Sulphur, LA 70663
Phone (337) 310-8834

701 Cypress St
Sulphur, LA 70663
Phone (337) 527-4270

703 Cypress St
Sulphur, LA 70663
Phone (337) 310-9511

703 Cypress St
Ste A
Sulphur, LA 70663
Phone (337) 310-0395

Interoperability endpoints

  • Direct secure messaging: thomas.mulhearn@1288.direct.myezyaccess.com
  • Direct secure messaging: tmulhearn5284426@direct.casso.us.com

Organizations & group practices 9

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 17

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

View all 17

NPI Registry JSON

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

{
    "created_epoch": "1169596800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1747612800000",
    "number": "1285789008",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "501 DR MICHAEL DEBAKEY DR",
            "city": "LAKE CHARLES",
            "state": "LA",
            "postal_code": "706015724",
            "telephone_number": "337-312-8258",
            "fax_number": "337-312-6708"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "600 DR MICHAEL DEBAKEY DR",
            "city": "LAKE CHARLES",
            "state": "LA",
            "postal_code": "706015727",
            "telephone_number": "337-436-3813",
            "fax_number": "337-439-0214"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "703 Cypress St",
            "address_purpose": "LOCATION",
            "city": "Sulphur",
            "state": "LA",
            "postal_code": "706635053",
            "country_code": "US",
            "telephone_number": "337-310-0395",
            "fax_number": "337-313-5389",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "MULHEARN",
        "first_name": "THOMAS",
        "middle_name": "JAMES",
        "name_prefix": "Dr.",
        "name_suffix": "IV",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2007-01-24",
        "last_updated": "2025-05-19",
        "certification_date": "2025-05-19",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "LA",
            "license": "MD.204430",
            "primary": false
        },
        {
            "code": "207RC0000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Cardiovascular Disease",
            "state": "LA",
            "license": "MD.204430",
            "primary": false
        },
        {
            "code": "207RI0011X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Interventional Cardiology",
            "state": "LA",
            "license": "MD.204430",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Lake Charles, LA

Sources for this page

Verify at the official NPI Registry.