Individual provider Active NPI

Marylou Vergara Williams, NP

  • Family Nurse Practitioner
  • Henderson, NV
National Provider Identifier
1548800360
Registry record updated Feb 28, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Family Nurse PractitionerTaxonomy code 363LF0000X
License
823744 Issued in NV
Practice address
1701 N Green Valley Pkwy Ste 7B
Henderson, NV 89074-5889
Phone
(702) 508-9119
Fax
(702) 551-6255
NPI assigned
Jan 9, 2020
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Feb 28, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Nurse Practitioner 363L00000X 823744 NV
Family Nurse Practitioner 363LF0000X 823744 NV Primary

Addresses

Primary practice location

1701 N Green Valley Pkwy Ste 7B
Henderson, NV 89074-5889

Mailing address

PO Box 80895
Las Vegas, NV 89180-0895
Phone (702) 508-9119

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in NV
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
I20200207001978 NV Practitioner - Nurse Practitioner 9032545181 Reassigns benefits to 5 organizations

Care Compare profile

Medicare Care Compare
Specialty
Nurse Practitioner
Education
Other, 2019
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Apeksha Desai MD PLLCGroup PAC ID 8022486125, 7 clinicians
Las Vegas Kidney and Hypertension Specialists LLCGroup PAC ID 6507099132, 6 clinicians

Practice addresses (Care Compare)

1701 N Green Valley Pkwy
Suite 7B
Henderson, NV 89074-5889
Phone (702) 508-9119

229 N Pecos Rd
Suite 120
Henderson, NV 89074-7364
Phone (702) 629-7510

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
823744NVMDFamily Nurse Practitioner

Practice roles

OrganizationSpecialtyStatusNew patients
Universal Medical Alliance Inc. CurrentSince Aug 24, 2021 Accepting new patients
Intermountain Medical Holdings Nevada Inc CurrentSince Mar 7, 2022 Accepting new patients
Qazi Makhija & Barney LLP CurrentSince Feb 1, 2020 Accepting new patients
Apeksha Desai MD PLLC CurrentSince Jan 31, 2026 Accepting new patients
Intermountain Medical Holdings Nevada Inc CurrentSince Mar 7, 2022 Accepting new patients

Locations

1701 N Green Valley Pkwy
Ste 7B
Henderson, NV 89074
Phone (702) 476-9700

1701 N Green Valley Pkwy
Ste 3B
Henderson, NV 89074
Phone (702) 369-4727

8630 W Cheyenne Ave
Las Vegas, NV 89129
Phone (702) 508-9119

4880 Wynn Rd
Las Vegas, NV 89103
Phone (702) 382-4554

6268 Spring Mountain Rd
Ste 115
Las Vegas, NV 89146
Phone (725) 204-1017

6355 S Buffalo Dr
Fl 3
Las Vegas, NV 89113
Phone (702) 479-4881

6355 S Buffalo Dr
Las Vegas, NV 89113
Phone (702) 952-9171

2820 W Charleston Blvd
Ste 33
Las Vegas, NV 89102
Phone (702) 388-4428

4424 S Eastern Ave
Las Vegas, NV 89119
Phone (702) 550-6868

1397 S Loop Rd
Pahrump, NV 89048
Phone (775) 727-5500

Interoperability endpoints

  • Direct secure messaging: marylouwilliams@hcpnv.allscriptsdirect.net
  • FHIR API: https://fhir.meditouchehr.com/api/fhir/r4/

Organizations & group practices 6

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": "1578528000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1772236800000",
    "number": "1548800360",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 80895",
            "city": "LAS VEGAS",
            "state": "NV",
            "postal_code": "891800895",
            "telephone_number": "702-508-9119",
            "fax_number": "702-551-6255"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1701 N GREEN VALLEY PKWY STE 7B",
            "city": "HENDERSON",
            "state": "NV",
            "postal_code": "890745889",
            "telephone_number": "702-508-9119",
            "fax_number": "702-551-6255"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "WILLIAMS",
        "first_name": "MARYLOU",
        "middle_name": "VERGARA",
        "credential": "NP",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2020-01-09",
        "last_updated": "2026-02-28",
        "certification_date": "2026-02-28",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363L00000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner",
            "state": "NV",
            "license": "823744",
            "primary": false
        },
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "NV",
            "license": "823744",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Henderson, NV

Sources for this page

Verify at the official NPI Registry.