Active NPI
Amy Marie Hammerstrom, LMSW
- Clinical Social Worker
- Sioux City, IA
National Provider Identifier
1003103169
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Clinical Social Worker
- License
- 04893
- Practice address
- 505 5TH St Ste 615
Sioux City, IA 51101-1505 - Phone
- (712) 251-5962
- NPI assigned
- Jul 8, 2011
- 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 |
|---|---|---|---|---|
| Clinical Social Worker | 1041C0700X | 04893 | IA | Primary |
| Social Worker | 104100000X | 04893 | IA |
Addresses
Primary practice location
505 5TH St Ste 615
Sioux City, IA 51101-1505
Mailing address
505 5TH St Ste 615
Sioux City, IA 51101-1505
Phone (712) 251-5962
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in IA
- 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 |
|---|---|---|---|---|
| I20170222001564 | IA | Practitioner - Clinical Social Worker | 5496039281 | Reassigns benefits to 1 organization |
Care Compare profile
Medicare Care Compare- Specialty
- Clinical Social Worker
- Education
- University of Iowa, RJ & L Carver College of Medicine, 2011
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
Practice addresses (Care Compare)
505 5TH St
Suite 615
Sioux City, IA 51101-1505
Phone (712) 251-5962
Merit-based Incentive Payment System (MIPS)
- Final score
- 80.02 of 100
- Quality
- 75.68
- Promoting interoperability
- 78
- Improvement activities
- 40
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 04893 | IA | MD | Chiropractor |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Aha Wellness, LLC | Clinical | Current | Accepting new patients |
Locations
505 5th St
Ste 615
Sioux City, IA 51101
Phone (712) 251-5962
Interoperability endpoints
- ahammerstrom273065@uihcdirect.org
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.
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1310083200000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1758758400000",
"number": "1003103169",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "505 5TH ST STE 615",
"city": "SIOUX CITY",
"state": "IA",
"postal_code": "511011505",
"telephone_number": "712-251-5962"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "505 5TH ST STE 615",
"city": "SIOUX CITY",
"state": "IA",
"postal_code": "511011505",
"telephone_number": "712-251-5962"
}
],
"practiceLocations": [],
"basic": {
"last_name": "HAMMERSTROM",
"first_name": "AMY",
"middle_name": "MARIE",
"name_prefix": "Ms.",
"credential": "LMSW",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2011-07-08",
"last_updated": "2025-09-25",
"certification_date": "2025-09-25",
"status": "A"
},
"taxonomies": [
{
"code": "1041C0700X",
"taxonomy_group": "",
"desc": "Social Worker, Clinical",
"state": "IA",
"license": "04893",
"primary": true
},
{
"code": "104100000X",
"taxonomy_group": "",
"desc": "Social Worker",
"state": "IA",
"license": "04893",
"primary": false
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Sioux City, IA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 25, 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.