Mari Van Der Walt, AGACNP-BC

Primary specialty

Acute Care Nurse PractitionerTaxonomy code 363LA2100X

License

1212076 Issued in TX

Practice address

200 Blossom St
Webster, TX 77598-4204

Phone

(832) 632-6500

NPI assigned

Oct 13, 2025

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, 2025

Medicare assignment

May accept Medicare assignment

Group practices

XpertmdGroup PAC ID 5193092393, 39 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• University of Texas Medical Branch Galveston Hospital, Galveston, TX, CCN 450018

Medicare enrollment (NPD)

Enrolled

Credentials

Nurse Practitioner

State licenses

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.

• Xpertmd

  • Hospitalist Physician
  • Houston, TX
  • NPI 1205360518
  Medicare reassignment Care Compare group

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• University of Texas Medical Branch at Galveston

  • General Acute Care Hospital
  • Galveston, TX
  • NPI 1548226988
  Care Compare affiliation

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

{
    "created_epoch": "1760313600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1781049600000",
    "number": "1932075504",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "18333 EGRET BAY BLVD STE 140",
            "city": "HOUSTON",
            "state": "TX",
            "postal_code": "770583239",
            "telephone_number": "281-332-3001",
            "fax_number": "281-332-3005"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "200 BLOSSOM ST",
            "city": "WEBSTER",
            "state": "TX",
            "postal_code": "775984204",
            "telephone_number": "832-632-6500"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1302 W Forest Dr",
            "address_purpose": "LOCATION",
            "city": "Houston",
            "state": "TX",
            "postal_code": "770434524",
            "country_code": "US",
            "telephone_number": "816-803-1910",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "18333 Egret Bay Blvd Ste 140",
            "address_purpose": "LOCATION",
            "city": "Houston",
            "state": "TX",
            "postal_code": "770583239",
            "country_code": "US",
            "telephone_number": "281-332-3001",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "VAN DER WALT",
        "first_name": "MARI",
        "credential": "AGACNP-BC",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2025-10-13",
        "last_updated": "2026-06-10",
        "certification_date": "2026-06-10",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LA2100X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Acute Care",
            "state": "TX",
            "license": "1212076",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Pablo A Valdes Quevedo
• Arnold Joseph Valenson, M.D.
• Sailaja Vallabhajosula, MD
• Maria Felicia Valladares, FNP
• Peter Valle, PH.D.
• Chana Van Houten, NP-C
• Dailyn Marie Van, RBT
• Kimberly Denise Vanpelt, NP-C
• Kevin Shaji Varghese, PMHNP-BC
• Varkey M Varghese, OTR

• Acute Care Nurse Practitioner in Webster, TX
• Providers in Webster, TX by specialty
• Acute Care Nurse Practitioner in Texas

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 10, 2026; 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.