Individual provider Active NPI

Keydy Diaz, FNP-C

  • Family Nurse Practitioner
  • Houston, TX
National Provider Identifier
1972950384
Registry record updated Dec 29, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Family Nurse PractitionerTaxonomy code 363LF0000X
License
AP130843 Issued in TX
Practice address
600 N Sam Houston Pkwy W Ste 650
Houston, TX 77067-4336
Phone
(816) 544-5002
Fax
(281) 654-4501
NPI assigned
May 16, 2016
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Dec 29, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Family Nurse Practitioner 363LF0000X AP130843 TX Primary

Addresses

Primary practice location

600 N Sam Houston Pkwy W Ste 650
Houston, TX 77067-4336

Mailing address

11511 Shadow Creek Pkwy
Pearland, TX 77584-7298
Phone (713) 442-0000

Other practice location 1

10701 Vintage Preserve Pkwy
Houston, TX 77070-2158
Phone (713) 442-1500

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: No
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20160603000369 TX Practitioner - Nurse Practitioner 1759671753 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Nurse Practitioner
Education
University of Texas Medical Branch at Galveston, 2015
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Kelsey-Seybold Medical Group, PLLCGroup PAC ID 9739093527, 941 clinicians
Wellmed Medical Group PAGroup PAC ID 4880657386, 666 clinicians

Practice addresses (Care Compare)

10701 Vintage Preserve Pkwy
Houston, TX 77070-2158
Phone (713) 442-1500

448 Castroville Rd
San Antonio, TX 78207-5147
Phone (210) 434-1400

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Nurse Practitioner

Practice roles

OrganizationSpecialtyStatusNew patients
Wellmed Medical Group, PA CurrentSince Jul 7, 2024 Accepting new patients
Wellmed Medical Group, P.a. CurrentSince Feb 2, 2021 Accepting new patients
Kelsey-Seybold Medical Group, PLLC CurrentSince Jan 11, 2026 Accepting new patients

Locations

17045 Saint Edwards Dr
Ste 302
Houston, TX 77090
Phone (281) 880-9710

2727 W Holcombe Blvd
Houston, TX 77025
Phone (713) 790-9412

720 E Tidwell Rd
Houston, TX 77022
Phone (713) 691-0035

10701 Vintage Preserve Pkwy
Houston, TX 77070
Phone (713) 442-1500

6430 Hillcroft Ave
Houston, TX 77081
Phone (832) 709-1515

600 N Sam Houston Pkwy W
Ste 650
Houston, TX 77067
Phone (281) 654-4500

1315 St Joseph Pkwy
Ste 1309
Houston, TX 77002
Phone (832) 366-1305

201 Enterprise Ave
Ste 900
League City, TX 77573
Phone (713) 442-2826

7010 Highway 6
Missouri City, TX 77459
Phone (713) 442-4200

11511 Shadow Creek Pkwy
Pearland, TX 77584
Phone (713) 442-4997

2515 Business Center Dr
Pearland, TX 77584
Phone (713) 442-7200

6157 NW Loop 410
Ste 124
San Antonio, TX 78238
Phone (210) 523-1411

448 Castroville Rd
San Antonio, TX 78207
Phone (210) 434-1400

Interoperability endpoints

  • Direct secure messaging: keydy.diaz@wellmed.eclinicaldirectplus.com

Organizations & group practices 3

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.

NPI Registry JSON

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

{
    "created_epoch": "1463356800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1766966400000",
    "number": "1972950384",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "11511 SHADOW CREEK PKWY",
            "city": "PEARLAND",
            "state": "TX",
            "postal_code": "775847298",
            "telephone_number": "713-442-0000"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "600 N SAM HOUSTON PKWY W STE 650",
            "city": "HOUSTON",
            "state": "TX",
            "postal_code": "770674336",
            "telephone_number": "816-544-5002",
            "fax_number": "281-654-4501"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "10701 Vintage Preserve Pkwy",
            "address_purpose": "LOCATION",
            "city": "Houston",
            "state": "TX",
            "postal_code": "770702158",
            "country_code": "US",
            "telephone_number": "713-442-1500",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "DIAZ",
        "first_name": "KEYDY",
        "credential": "FNP-C",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2016-05-16",
        "last_updated": "2025-12-29",
        "certification_date": "2025-12-29",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "TX",
            "license": "AP130843",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Houston, TX

Sources for this page

Verify at the official NPI Registry.