Individual provider Active NPI

Diana M. Guerra, MD

  • Critical Care Medicine (Internal Medicine) Physician
  • Sugar Land, TX
National Provider Identifier
1023200623
Registry record updated Aug 30, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Critical Care Medicine (Internal Medicine) PhysicianTaxonomy code 207RC0200X
License
P2864 Issued in TX
Practice address
16811 Southwest Freeway Suite 300
Sugar Land, TX 77479-4728
Phone
(346) 874-3458
NPI assigned
Aug 16, 2007
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Aug 30, 2026

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Pulmonary Disease Physician 207RP1001X P2864 TX
Anesthesiology Physician 207L00000X P2864 TX
Critical Care Medicine (Internal Medicine) Physician 207RC0200X P2864 TX Primary

Addresses

Primary practice location

16811 Southwest Freeway Suite 300
Sugar Land, TX 77479-4728

Mailing address

16811 Southwest Freeway Suite 300
Sugar Land, TX 77479-4728
Phone (346) 874-3458

Other practice location 1

700 Scott and White Dr
College Station, TX 77845-6441
Phone (979) 207-0100

Other identifiers 2

IdentifierTypeStateIssuer
299091308MedicaidTX
8FT835OtherTXBLUE CROSS BLUE SHIELD

Electronic endpoints 2

TypeEndpointUseAffiliation
Direct Messaging Address dmguerra2@houstonmethodist.org
Direct Messaging Address dguerra1493365@direct.sw.org

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in TX
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 1

Enrollment IDStateProvider typePAC IDDetails
I20120627000766 TX Practitioner - Critical Care (Intensivists)Practitioner - Internal MedicinePractitioner - Pulmonary DiseasePractitioner - Hospitalist 9739344680 Reassigns benefits to 5 organizations

Care Compare profile

Medicare Care Compare
Specialty
Critical Care (Intensivists)Also: Internal Medicine
Education
Other, 1995
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Scott and White ClinicGroup PAC ID 8123923604, 2,426 clinicians
TMH Physician Associates PLLCGroup PAC ID 4486711744, 1,881 clinicians
Houston Methodist Specialty PhysiciansGroup PAC ID 5193239796, 1,498 clinicians

Practice addresses (Care Compare)

1280 Arrington Rd
Suite 200
College Station, TX 77845-8696
Phone (979) 207-6550

16605 Southwest Fwy
Sugar Land, TX 77479-3500
Phone (281) 275-0800

16605 Southwest Fwy 400 Mob3
Methodist Family Medicine Group
Sugar Land, TX 77479-3500
Phone (281) 275-0800

16605 SW Fwy 410
Methodist Diag Card of Houston
Sugar Land, TX 77479-3500
Phone (281) 274-0148

16655 Southwest Fwy
Sugar Land, TX 77479-2329

16811 Southwest Fwy
Suite 200
Sugar Land, TX 77479-4728
Phone (281) 690-4678

1700 University Dr E
College Station, TX 77840-2661
Phone (979) 691-3300

1700 University Dr E Entrance 16
Care Clinic College Station University Dr
College Station, TX 77840-2661
Phone (979) 207-3636

700 Scott and White Dr
College Station, TX 77845-6441
Phone (979) 207-0100

Hospital & facility affiliations

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
P2864TXMDPulmonary Disease Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Baylor College of Medicine CurrentSince Nov 1, 2014 Accepting new patients
Scott & White Clinic Anesthesiology CurrentSince Nov 19, 2025 Accepting new patients
Baylor College of Medicine CurrentSince Nov 1, 2014 Accepting new patients
Scott & White Clinic Anesthesiology CurrentSince Nov 19, 2025 Accepting new patients
TMH Physician Associates PLLC CurrentSince Jul 19, 2016 Accepting new patients
TMH Physician Associates PLLC Critical Care Medicine CurrentSince Jul 19, 2016 Accepting new patients
Baylor College of Medicine Anesthesiology CurrentSince Sep 28, 2014 Accepting new patients
Houston Methodist Specialty Physicians CurrentSince Jan 1, 2026 Accepting new patients
Baylor College of Medicine CurrentSince Sep 28, 2014 Accepting new patients
Scott & White Hospital - Taylor Past Accepting new patients
Scott & White Hospital - College Station Past Accepting new patients
Baylor College of Medicine Past Accepting new patients
Methodist Health Centers Past Accepting new patients

Locations

700 Scott and White Dr
College Station, TX 77845
Phone (979) 207-0100

1280 Arrington Rd
Ste 200
College Station, TX 77845
Phone (979) 207-6550

6550 Fannin St
Ste 1150
Houston, TX 77030
Phone (713) 441-2670

7200 Cambridge St
Fl 1
Houston, TX 77030
Phone (713) 798-3924

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

6550 Fannin St
#1018
Houston, TX 77030
Phone (713) 793-8902

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

1504 Taub Loop
Houston, TX 77030
Phone (713) 873-2860

16811 Southwest Fwy
Ste 300
Sugar Land, TX 77479
Phone (281) 274-8050

16651 Southwest Fwy
Ste 450
Sugar Land, TX 77479
Phone (281) 275-0212

16605 Southwest Fwy
Ste 400
Sugar Land, TX 77479
Phone (281) 275-0800

16811 Southwest Fwy
Ste 200
Sugar Land, TX 77479
Phone (281) 690-4678

2401 S 31st St
Temple, TX 76508
Phone (254) 724-2459

Interoperability endpoints

  • Direct secure messaging: dmguerra2@houstonmethodist.org
  • Direct secure messaging: dguerra414960@directhoustonmethodist.org

Organizations & group practices 13

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.

View all 13

Hospital & facility affiliations 3

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": "1187222400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1788048000000",
    "number": "1023200623",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "16811 SOUTHWEST FREEWAY SUITE 300",
            "city": "SUGAR LAND",
            "state": "TX",
            "postal_code": "774794728",
            "telephone_number": "346-874-3458"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "16811 SOUTHWEST FREEWAY SUITE 300",
            "city": "SUGAR LAND",
            "state": "TX",
            "postal_code": "774794728",
            "telephone_number": "346-874-3458"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "700 Scott and White Dr",
            "address_purpose": "LOCATION",
            "city": "College Station",
            "state": "TX",
            "postal_code": "778456441",
            "country_code": "US",
            "telephone_number": "979-207-0100",
            "fax_number": "979-207-2161",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "GUERRA",
        "first_name": "DIANA",
        "middle_name": "M.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2007-08-16",
        "last_updated": "2026-08-30",
        "certification_date": "2026-08-30",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RP1001X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Pulmonary Disease",
            "state": "TX",
            "license": "P2864",
            "primary": false
        },
        {
            "code": "207L00000X",
            "taxonomy_group": "",
            "desc": "Anesthesiology",
            "state": "TX",
            "license": "P2864",
            "primary": false
        },
        {
            "code": "207RC0200X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Critical Care Medicine",
            "state": "TX",
            "license": "P2864",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "299091308",
            "state": "TX"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "BLUE CROSS BLUE SHIELD",
            "identifier": "8FT835",
            "state": "TX"
        }
    ],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "dmguerra2@houstonmethodist.org",
            "affiliation": "N",
            "address_1": "16811 Southwest Fwy Ste 300",
            "city": "Sugar Land",
            "state": "TX",
            "country_code": "US",
            "postal_code": "774794728",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "dguerra1493365@direct.sw.org",
            "affiliation": "N",
            "address_1": "700 Scott and White Dr",
            "city": "College Station",
            "state": "TX",
            "country_code": "US",
            "postal_code": "778456441",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Sugar Land, TX

Sources for this page

Verify at the official NPI Registry.