Active NPI
Marylou Vergara Williams, NP
- Family Nurse Practitioner
- Henderson, NV
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Family Nurse Practitioner
- License
- 823744
- 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
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 2
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| 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
Enrollment records 1
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
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
| License | State | Type | Specialty |
|---|---|---|---|
| 823744 | NV | MD | Family Nurse Practitioner |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Universal Medical Alliance Inc. | Current | Accepting new patients | |
| Intermountain Medical Holdings Nevada Inc | Current | Accepting new patients | |
| Qazi Makhija & Barney LLP | Current | Accepting new patients | |
| Apeksha Desai MD PLLC | Current | Accepting new patients | |
| Intermountain Medical Holdings Nevada Inc | Current | 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
- marylouwilliams@hcpnv.allscriptsdirect.net
- 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.
-
- Nephrology Physician
- Henderson, NV
- NPI 1992130090
-
dba Intermountain Health
- Internal Medicine Physician
- Henderson, NV
- NPI 1245997279
-
- Nephrology Physician
- Las Vegas, NV
- NPI 1548330046
-
- Family Medicine Physician
- Las Vegas, NV
- NPI 1659995090
-
dba Intermountain Health Home Care
- Home Health Agency
- Las Vegas, NV
- NPI 1689882557
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
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 28, 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.