Nancy H Mai, AGPCNP-C

Primary specialty

Gerontology Nurse PractitionerTaxonomy code 363LG0600X

License

1050097 Issued in TX

Practice address

18833 Eastfield Dr
Webster, TX 77598-1305

Phone

(713) 442-4300

NPI assigned

Jul 23, 2025

Last updated

Sep 23, 2025By the provider in NPPES

Sex

Female

Sole proprietor

No

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

Specialties & licenses 1

Addresses

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

Specialty

Nurse Practitioner

Education

Other, 2020

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Kelsey-Seybold Medical Group, PLLCGroup PAC ID 9739093527, 941 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Nurse Practitioner

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: nmai205468@direct.kelsey-seybold.com

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.

• Kelsey-Seybold Medical Group, PLLC

  dba Kelsey Seybold Clinic

  • Multi-Specialty Clinic/Center
  • Houston, TX
  • NPI 1013915255
  Medicare reassignment Care Compare group NPD
• KS SC LLC

  dba Kelsey Seybold ASC Bay Area

  • Ambulatory Surgical Clinic/Center
  • Webster, TX
  • NPI 1700648037
  NPD

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

{
    "created_epoch": "1753228800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1758585600000",
    "number": "1710869391",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "11511 SHADOW CREEK PKWY",
            "address_2": "HR/CREDENTIALING SERVICES",
            "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": "18833 EASTFIELD DR",
            "city": "WEBSTER",
            "state": "TX",
            "postal_code": "775981305",
            "telephone_number": "713-442-4300"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MAI",
        "first_name": "NANCY",
        "middle_name": "H",
        "credential": "AGPCNP-C",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2025-07-23",
        "last_updated": "2025-09-23",
        "certification_date": "2025-09-23",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LG0600X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Gerontology",
            "state": "TX",
            "license": "1050097",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Kaleigh Magnant
• Rabia Salman Mahfooz, MD
• Khalid Mahmood, MD
• Raai Mahmood, MD
• Ayham Mahmoud, MD
• Shiva Majmudar, M.D.
• Matthew Makowski
• Alfred Salim Maksoud, MD
• Advitya Nonesupplied Malhotra, M.D.
• Faiza Malik, M.D

• Gerontology Nurse Practitioner in Webster, TX
• Providers in Webster, TX by specialty
• Gerontology Nurse Practitioner in Texas

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 23, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.