Active NPI
Maryellen Kay Hilton, LCSW, QMHP
- Social Worker
- Pierre, SD
National Provider Identifier
1982436432
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Social Worker
- License
- 6341
- Practice address
- 2001 Eastgate
Pierre, SD 57501-5691 - Phone
- (605) 224-5811
- NPI assigned
- Aug 14, 2024
- Sex
- Female
- Sole proprietor
- No
Organizations & group practices 1
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.
Care Compare profile
Medicare Care Compare- Specialty
- Clinical Social Worker
- Education
- Other, 2022
- Medicare assignment
- May accept Medicare assignment
- Group practices
- Capital Area Counseling Service, Inc
Practice addresses (Care Compare)
2001 Eastgate
Pierre, SD 57501-5691
Phone (605) 224-5811
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in SD
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: No
- Power mobility devices: No
- Hospice: No
Enrollment records 1
| Enrollment ID | State | Provider type | PAC ID | Details |
|---|---|---|---|---|
| I20250806004397 | SD | Practitioner - Clinical Social Worker | 2163920463 | Reassigns benefits to 1 organization |
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 6341 | SD | MD | Social Worker |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Capital Area Counseling Service, Inc | Clinical | Current | Accepting new patients |
Locations
2001 Eastgate
Pierre, SD 57501
Phone (605) 224-5811
Specialties & licenses 2
NPPES NPI Registry| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Clinical Social Worker | 1041C0700X | 6341 | SD | |
| Social Worker | 104100000X | 6341 | SD | Primary |
Addresses
NPPES NPI RegistryPrimary practice location
2001 Eastgate
Pierre, SD 57501-5691
Mailing address
2001 Eastgate
Pierre, SD 57501-5691
Phone (605) 224-5811
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format, last updated by the provider on Jun 17, 2025.
{
"created_epoch": "1723593600000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1750118400000",
"number": "1982436432",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "2001 EASTGATE",
"city": "PIERRE",
"state": "SD",
"postal_code": "575015691",
"telephone_number": "605-224-5811"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "2001 EASTGATE",
"city": "PIERRE",
"state": "SD",
"postal_code": "575015691",
"telephone_number": "605-224-5811"
}
],
"practiceLocations": [],
"basic": {
"last_name": "HILTON",
"first_name": "MARYELLEN",
"middle_name": "KAY",
"credential": "LCSW, QMHP",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2024-08-14",
"last_updated": "2025-06-17",
"certification_date": "2025-06-17",
"status": "A"
},
"taxonomies": [
{
"code": "1041C0700X",
"taxonomy_group": "",
"desc": "Social Worker, Clinical",
"state": "SD",
"license": "6341",
"primary": false
},
{
"code": "104100000X",
"taxonomy_group": "",
"desc": "Social Worker",
"state": "SD",
"license": "6341",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Pierre, SD
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 17, 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.