NPIMap

Individual provider Active NPI

Tulio A Diaz, M.D.

  • Interventional Cardiology Physician
  • Dallas, TX
National Provider Identifier
1992739270
Registry record updated Sep 5, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Interventional Cardiology PhysicianTaxonomy code 207RI0011X
License
N9843 Issued in TX
Practice address
8440 Walnut Hill LN Ste 400
Dallas, TX 75231-3879
Phone
(214) 369-3613
Fax
(214) 706-2004
NPI assigned
Jul 10, 2006
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Sep 5, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Cardiovascular Disease Physician 207RC0000X N9843 TX
Interventional Cardiology Physician 207RI0011X N9843 TX Primary

Addresses

Primary practice location

8440 Walnut Hill LN Ste 400
Dallas, TX 75231-3879

Mailing address

8440 Walnut Hill LN Ste 400
Dallas, TX 75231-3879
Phone (214) 369-3613

Other identifiers 4

IdentifierTypeStateIssuer
110040590MedicaidMA
306991602MedicaidTX
317822YTJCOtherTXMEDICARE PTAN
317822YTJVOtherTXMAEDICARE PTAN

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
I20110829000253 TX Practitioner - Interventional CardiologyPractitioner - Cardiovascular Disease (Cardiology)Practitioner - Internal Medicine 3870548340 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Interventional CardiologyAlso: Cardiovascular Disease (Cardiology)
Education
Other, 1999
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Texas Health Physicians GroupGroup PAC ID 4385535954, 1,364 clinicians

Practice addresses (Care Compare)

1005 W Ralph Hall Pkwy
Suite 217
Rockwall, TX 75032-6610
Phone (972) 771-1935

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
88.66 of 100Reported as individual
Quality
66.78
Promoting interoperability
100
Improvement activities
40
Cost
80.84

Procedures performed for Medicare patients

ProcedureNumber of procedures
Coronary angioplasty and stenting41
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
Cardiac Cath Lab of Dallas, LP CurrentSince Oct 19, 2013 Accepting new patients
Texas Health Physicians Group Current Accepting new patients
Texas Health Physicians Group Cardiovascular Disease CurrentSince May 1, 2018 Accepting new patients
Texas Health Physicians Group CurrentSince May 1, 2018 Accepting new patients
Dallas ASC, LLC PastSince Nov 15, 2017 Accepting new patients
Newton-Wellesley Hospital Past Accepting new patients
Baystate Medical Surgical Inc Past Accepting new patients
Texas Health Physicians Group Cardiovascular Disease Past Accepting new patients

Locations

1600 Hospital Pkwy
Bedford, TX 76022
Phone (817) 355-7803

4333 N Josey Ln
Ste 104
Carrollton, TX 75010
Phone (972) 394-4500

8200 Walnut Hill Ln
#408
Dallas, TX 75231
Phone (214) 696-7399

7150 Greenville Ave
Ste 650
Dallas, TX 75231
Phone (469) 916-7842

11970 N Central Expy
Ste 610
Dallas, TX 75243
Phone (469) 232-9393

7150 Greenville Ave
Ste 500
Dallas, TX 75231
Phone (469) 916-8055

8440 Walnut Hill Ln
Ste 400
Dallas, TX 75231
Phone (214) 345-1400

1005 W Ralph Hall Pkwy
Ste 217
Rockwall, TX 75032
Phone (469) 897-4050

3144 Horizon Rd
Ste 220
Rockwall, TX 75032
Phone (972) 771-1935

341 Wheatfield Dr
Ste 100
Sunnyvale, TX 75182
Phone (972) 329-1996

Interoperability endpoints

  • Direct secure messaging: tdiaz106451@direct.texashealth.org

Organizations & group practices 8

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 12

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": "1152489600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1757030400000",
    "number": "1992739270",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "8440 WALNUT HILL LN STE 400",
            "city": "DALLAS",
            "state": "TX",
            "postal_code": "752313879",
            "telephone_number": "214-369-3613"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "8440 WALNUT HILL LN STE 400",
            "city": "DALLAS",
            "state": "TX",
            "postal_code": "752313879",
            "telephone_number": "214-369-3613",
            "fax_number": "214-706-2004"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "DIAZ",
        "first_name": "TULIO",
        "middle_name": "A",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-07-10",
        "last_updated": "2025-09-05",
        "certification_date": "2025-09-05",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RC0000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Cardiovascular Disease",
            "state": "TX",
            "license": "N9843",
            "primary": false
        },
        {
            "code": "207RI0011X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Interventional Cardiology",
            "state": "TX",
            "license": "N9843",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "110040590",
            "state": "MA"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "306991602",
            "state": "TX"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "MEDICARE PTAN",
            "identifier": "317822YTJC",
            "state": "TX"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "MAEDICARE PTAN",
            "identifier": "317822YTJV",
            "state": "TX"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Dallas, TX

Sources for this page

Verify at the official NPI Registry.