Individual provider Active NPI

Alejandra Villescas, CRNA

  • Certified Registered Nurse Anesthetist
  • Saint Louis, MO
National Provider Identifier
1467239053
Registry record updated Jul 8, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Certified Registered Nurse AnesthetistTaxonomy code 367500000X
License
2026010353 Issued in MO
Practice address
1 Barnes Jewish Hospital PLZ
Dept Anesthesiology
Saint Louis, MO 63110-1003
Phone
(800) 862-9980
Fax
(314) 362-1185
NPI assigned
Sep 8, 2023
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 8, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Certified Registered Nurse Anesthetist 367500000X 2026010353 MO Primary

Addresses

Primary practice location

1 Barnes Jewish Hospital PLZ
Dept Anesthesiology
Saint Louis, MO 63110-1003

Mailing address

PO Box 7412011
Chicago, IL 60674-2011
Phone (800) 862-9980

Other identifiers 1

IdentifierTypeStateIssuer
910171614MedicaidMO

Electronic endpoints 1

TypeEndpointUseAffiliation
FHIR URL https://epicproxy.et0965.epichosted.com/FHIRProxy/api/FHIR/DSTU2/ Washington University

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in NM

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20241216001105 NM Practitioner - Certified Registered Nurse Anesthetist (Crna) 4284160128 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Certified Registered Nurse Anesthetist (Crna)
Education
Other, 2023
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Main Street Anesthesia of New Mexico, LLCGroup PAC ID 3476807538, 228 clinicians

Practice addresses (Care Compare)

117 E 19TH St
Lovelace Regional Hospital Roswell
Roswell, NM 88201-5151
Phone (575) 627-7000

2450 S Telshor Blvd
Las Cruces, NM 88011-5069
Phone (915) 478-0594

Hospital & facility affiliations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled

State licenses

LicenseStateTypeSpecialty
1131823TXMDCertified Registered Nurse Anesthetist

Practice roles

OrganizationSpecialtyStatusNew patients
Main Street Anesthesia of New Mexico, LLC CurrentSince Jan 1, 2025 Accepting new patients
Resource Anesthesiology Associates of NM Inc CurrentSince Sep 26, 2024 Accepting new patients

Locations

2450 S Telshor Blvd
Las Cruces, NM 88011
Phone (505) 522-8641

117 E 19th St
Roswell, NM 88201
Phone (505) 727-2000

Organizations & group practices 2

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.

Hospital & facility affiliations 1

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": "1694131200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783468800000",
    "number": "1467239053",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 7412011",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606742011",
            "telephone_number": "800-862-9980",
            "fax_number": "314-362-1185"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1 BARNES JEWISH HOSPITAL PLZ",
            "address_2": "DEPT ANESTHESIOLOGY",
            "city": "SAINT LOUIS",
            "state": "MO",
            "postal_code": "631101003",
            "telephone_number": "800-862-9980",
            "fax_number": "314-362-1185"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "VILLESCAS",
        "first_name": "ALEJANDRA",
        "name_prefix": "Ms.",
        "credential": "CRNA",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2023-09-08",
        "last_updated": "2026-07-08",
        "certification_date": "2026-07-02",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "367500000X",
            "taxonomy_group": "",
            "desc": "Nurse Anesthetist, Certified Registered",
            "state": "MO",
            "license": "2026010353",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "910171614",
            "state": "MO"
        }
    ],
    "endpoints": [
        {
            "endpointType": "FHIR",
            "endpointTypeDescription": "FHIR URL",
            "endpoint": "https://epicproxy.et0965.epichosted.com/FHIRProxy/api/FHIR/DSTU2/",
            "affiliation": "Y",
            "affiliationName": "Washington University",
            "address_1": "1 Barnes Jewish Hospital Plz",
            "address_2": "Dept Anesthesiology",
            "city": "Saint Louis",
            "state": "MO",
            "country_code": "US",
            "postal_code": "631101003",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Saint Louis, MO

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 8, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
  • 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.