NPIMap

Individual provider Active NPI

Guillermo Lazo-Diaz, MD

  • Medical Oncology Physician
  • McAllen, TX
National Provider Identifier
1760421101
Registry record updated Dec 11, 2008
On this page

Key facts

NPPES NPI Registry
Primary specialty
Medical Oncology PhysicianTaxonomy code 207RX0202X
License
L0370 Issued in TX
Practice address
1901 S 2ND St
McAllen, TX 78503-1271
Phone
(956) 687-5150
Fax
(956) 687-9546
NPI assigned
Jun 4, 2006
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Dec 11, 2008

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Medical Oncology Physician 207RX0202X L0370 TX Primary
Hematology & Oncology Physician 207RH0003X L0370 TX

Addresses

Primary practice location

1901 S 2ND St
McAllen, TX 78503-1271

Mailing address

PO Box 911230
Dallas, TX 75391-1230
Phone (972) 997-8000

Other identifiers 3

IdentifierTypeStateIssuer
42067104MedicaidTX
42067103MedicaidTX
8S7051OtherTXBLUE CROSS OF TX

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
I20040615000932 TX Practitioner - Medical OncologyPractitioner - Hematology/Oncology 4385628601 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Medical OncologyAlso: Hematology/Oncology
Education
Other, 1993
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Texas Oncology PAGroup PAC ID 5395658934, 1,001 clinicians

Practice addresses (Care Compare)

1901 S 2ND St
McAllen, TX 78503-1271
Phone (956) 687-5150

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
85.12 of 100Reported as apm
Quality
67.48
Promoting interoperability
100
Improvement activities
40

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
Texas Oncology PA Hematology & Oncology CurrentSince Aug 1, 2006 Accepting new patients
Texas Oncology PA Hematology & Oncology CurrentSince Aug 1, 2006 Accepting new patients
South Texas Valley Pharmacy LLC PastSince Feb 2, 2025 Accepting new patients
McAllen Hospitalist Group, PLLC PastSince Jan 2, 2017 Accepting new patients

Locations

7848 Gateway Blvd E
El Paso, TX 79915
Phone (915) 599-1313

2026 S Jackson St
Jacksonville, TX 75766
Phone (903) 541-4500

1901 S Col Rowe Blvd
McAllen, TX 78503
Phone (956) 687-5150

Interoperability endpoints

  • Direct secure messaging: guillermo.lazo@txo.ikm.direct-ci.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 6

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": "1149379200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1228953600000",
    "number": "1760421101",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 911230",
            "city": "DALLAS",
            "state": "TX",
            "postal_code": "753911230",
            "telephone_number": "972-997-8000",
            "fax_number": "972-437-9605"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1901 S 2ND ST",
            "city": "MCALLEN",
            "state": "TX",
            "postal_code": "785031271",
            "telephone_number": "956-687-5150",
            "fax_number": "956-687-9546"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "LAZO-DIAZ",
        "first_name": "GUILLERMO",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-06-04",
        "last_updated": "2008-12-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RX0202X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Medical Oncology",
            "state": "TX",
            "license": "L0370",
            "primary": true
        },
        {
            "code": "207RH0003X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Hematology & Oncology",
            "state": "TX",
            "license": "L0370",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "42067104",
            "state": "TX"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "42067103",
            "state": "TX"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "BLUE CROSS OF TX",
            "identifier": "8S7051",
            "state": "TX"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in McAllen, TX

Sources for this page

Verify at the official NPI Registry.