Individual provider Active NPI

Amy Marie Hammerstrom, LMSW

  • Clinical Social Worker
  • Sioux City, IA
National Provider Identifier
1003103169
Registry record updated Sep 25, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Clinical Social WorkerTaxonomy code 1041C0700X
License
04893 Issued in IA
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

Updated by the provider on Sep 25, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
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
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
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 100Reported as group
Quality
75.68
Promoting interoperability
78
Improvement activities
40

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled

State licenses

LicenseStateTypeSpecialty
04893IAMDChiropractor

Practice roles

OrganizationSpecialtyStatusNew patients
Aha Wellness, LLC Clinical CurrentSince Sep 23, 2024 Accepting new patients

Locations

505 5th St
Ste 615
Sioux City, IA 51101
Phone (712) 251-5962

Interoperability endpoints

  • Direct secure messaging: 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

Verify at the official NPI Registry.