Maria Pilar Perez Walterhouse

Primary specialty

Gerontology Nurse PractitionerTaxonomy code 363LG0600X

License

697402 Issued in TX

Practice address

2324 Pelican Ave
McAllen, TX 78504-4253

Phone

(956) 802-4830

NPI assigned

Nov 8, 2025

Sex

Female

Sole proprietor

Yes

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

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

State licenses

Practice roles

Locations

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.

• Renaissance ICU Group

  • Critical Care Medicine (Internal Medicine) Physician
  • Edinburg, TX
  • NPI 1740715820

  Single Specialty

  Medicare reassignment NPD

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

{
    "created_epoch": "1762560000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1762560000000",
    "number": "1306716907",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2324 PELICAN AVE",
            "city": "MCALLEN",
            "state": "TX",
            "postal_code": "785044253",
            "telephone_number": "956-802-4830"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2324 PELICAN AVE",
            "city": "MCALLEN",
            "state": "TX",
            "postal_code": "785044253",
            "telephone_number": "956-802-4830"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "WALTERHOUSE",
        "first_name": "MARIA PILAR",
        "middle_name": "PEREZ",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2025-11-08",
        "last_updated": "2025-11-08",
        "certification_date": "2025-11-08",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LG0600X",
            "taxonomy_group": "193400000X SINGLE SPECIALTY  GROUP",
            "desc": "Nurse Practitioner, Gerontology",
            "state": "TX",
            "license": "697402",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Kenneth Leroy Walker Jr., PHARMD
• Raymond B Walker, CRNA
• Margaret Carling Wallace, OTD, OTR/L
• Mary Meaghan Wallace, NP
• Ruby Rose Wallingsford, OTR
• Feng Wang, MD
• Juan Wang, AU.D.
• Carina Warner
• Betsy Kearns Warwas, LPC
• Jewzonia Lee Watson, MT144266

• Gerontology Nurse Practitioner in McAllen, TX
• Providers in McAllen, 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 Nov 8, 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.