Active NPI
Maggie Sandquist, MSW, LCSW
- Clinical Social Worker
- Henderson, NV
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Clinical Social Worker
- License
- 10866-C
- Practice address
- 98 E Lake Mead Pkwy Ste 306
Henderson, NV 89015-6444 - Phone
- (702) 433-3038
- NPI assigned
- Oct 14, 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 5
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Clinical Social Worker | 1041C0700X | 121884 | IA | |
| Clinical Social Worker | 1041C0700X | 6658 | SD | |
| Clinical Social Worker | 1041C0700X | 66434 | MT | |
| Clinical Social Worker | 1041C0700X | 10866-C | NV | Primary |
| Rehabilitation Practitioner | 225400000X |
Addresses
Primary practice location
98 E Lake Mead Pkwy Ste 306
Henderson, NV 89015-6444
Mailing address
98 E Lake Mead Pkwy Ste 306
Henderson, NV 89015-6444
Phone (702) 433-3038
Other practice location 1
699 Walnut St Ste 4004th
Des Moines, IA 50309-3929
Phone (415) 424-4266
Other practice location 2
4220 S Maryland Pkwy Bldg A2
Las Vegas, NV 89119-7533
Phone (415) 424-4266
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in IA, MT, SD, NV
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: No
- Power mobility devices: No
- Hospice: No
Enrollment records 4
Care Compare profile
Medicare Care Compare- Specialty
- Clinical Social Worker
- Education
- Other, 2021
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
101 S Reid St
Suite 307
Sioux Falls, SD 57103-7045
Phone (866) 630-0966
2300 W Sahara Ave
Suite 800
Las Vegas, NV 89102-4397
Phone (866) 630-0966
5 W Mendenhall St
Suite 202
Bozeman, MT 59715-3566
Phone (866) 630-0966
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 121884 | IA | MD | Clinical Social Worker |
| 66434 | MT | MD | Clinical Social Worker |
| 10866-C | NV | MD | Clinical Social Worker |
| 6658 | SD | MD | Clinical Social Worker |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Sondermind Provider Network LLC | Clinical | Current | Accepting new patients |
| Sondermind, P.a. | Clinical | Current | Accepting new patients |
Locations
699 Walnut St
Ste 4
Des Moines, IA 50309
Phone (515) 278-9920
5 W Mendenhall St
Ste 202
Bozeman, MT 59715
Phone (406) 219-7233
2300 W Sahara Ave
Ste 800
Las Vegas, NV 89102
Phone (702) 234-3311
101 S Reid St
Ste 307
Sioux Falls, SD 57103
Phone (605) 221-6244
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.
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1602633600000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1771545600000",
"number": "1346848066",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "98 E LAKE MEAD PKWY STE 306",
"city": "HENDERSON",
"state": "NV",
"postal_code": "890156444",
"telephone_number": "702-433-3038"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "98 E LAKE MEAD PKWY STE 306",
"city": "HENDERSON",
"state": "NV",
"postal_code": "890156444",
"telephone_number": "702-433-3038"
}
],
"practiceLocations": [
{
"address_1": "699 Walnut St Ste 4004th",
"address_purpose": "LOCATION",
"city": "Des Moines",
"state": "IA",
"postal_code": "503093929",
"country_code": "US",
"telephone_number": "415-424-4266",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "4220 S Maryland Pkwy Bldg A2",
"address_purpose": "LOCATION",
"city": "Las Vegas",
"state": "NV",
"postal_code": "891197533",
"country_code": "US",
"telephone_number": "415-424-4266",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "SANDQUIST",
"first_name": "MAGGIE",
"credential": "MSW, LCSW",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2020-10-14",
"last_updated": "2026-02-20",
"certification_date": "2026-02-20",
"status": "A"
},
"taxonomies": [
{
"code": "1041C0700X",
"taxonomy_group": "",
"desc": "Social Worker, Clinical",
"state": "IA",
"license": "121884",
"primary": false
},
{
"code": "1041C0700X",
"taxonomy_group": "",
"desc": "Social Worker, Clinical",
"state": "SD",
"license": "6658",
"primary": false
},
{
"code": "1041C0700X",
"taxonomy_group": "",
"desc": "Social Worker, Clinical",
"state": "MT",
"license": "66434",
"primary": false
},
{
"code": "1041C0700X",
"taxonomy_group": "",
"desc": "Social Worker, Clinical",
"state": "NV",
"license": "10866-C",
"primary": true
},
{
"code": "225400000X",
"taxonomy_group": "",
"desc": "Rehabilitation Practitioner",
"state": null,
"license": null,
"primary": false
}
],
"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 20, 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.