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MS. AMY MARIE HAMMERSTROM LMSW
NPI 1003103169
Social Worker - Clinical in Sioux City, IA

Active since July 08, 2011PECOS EnrolledAccepts Medicare Assignment
505 5TH ST STE 615, SIOUX CITY, IA 51101(712) 251-5962 Get Directions Write a Review

NPPES record last updated: September 25, 2025. Verified against the NPPES registry weekly; last sync: August 23, 2026.

Record update history: Aug 20, 2024, Feb 14, 2017 (2 updates tracked since 2017).

About Ms. Amy Marie Hammerstrom Lmsw NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MS. AMY MARIE HAMMERSTROM LMSW (NPI 1003103169) is an individual clinical provider in Sioux City, Iowa, licensed in Iowa (04893) and active in the NPI registry since July 2011. She is enrolled in Medicare PECOS and is a graduate of University Of Iowa, Rj & L Carver College Of Medicine (2011).

NPPES Registry Identity

NPI1003103169
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameMS. AMY MARIE HAMMERSTROMCredential: LMSW
Location Address505 5TH ST STE 615Sioux City, IA 51101-1505
Mailing Address505 5th St Ste 615Sioux City, IA 51101-1505 · (712) 251-5962
Phone(712) 251-5962
Sole ProprietorNo
Medical School CMSUniversity Of Iowa, Rj & L Carver College Of MedicineGraduated 2011
Enumeration DateJuly 8, 2011
Last NPPES UpdateSeptember 25, 20252 updates tracked since enumeration
NPPES CertifiedSeptember 25, 2025
✔ NPI 1003103169 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
License✔ Licensed in IA · 04893
Definition
A social worker who holds a master's or doctoral degree in social work from an accredited school of social work in addition to at least two years of post-master's supervised experience in a clinical setting. The social worker must be licensed, certified, or registered at the clinical level in the jurisdiction of practice. A clinical social worker provides direct services, including interventions focused on interpersonal interactions, intrapsychic dynamics, and life management issues. Clinical social work services are based on bio-psychosocial perspectives. Services consist of assessment, diagnosis, treatment (including psychotherapy and counseling), client-centered advocacy, consultation, evaluation, and prevention of mental illness, emotional, or behavioral disturbances.
Also ListedSocial WorkerTaxonomy 104100000X · License 04893 (IA)
505 5TH ST STE 615, Sioux City, IA 51101
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include HealthPartners, Oscar Insurance Company.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Ms. Amy Marie Hammerstrom Lmsw is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID5496039281
PECOS Enrollment IDI20170222001564
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment– Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 51101 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$0.00 typical visit price
range $52.96 – $161.40
Typical copayment $0.00 (range $13.24 – $40.35)
Most-billed visit code NA
Established Patient
$66.36 typical visit price
range $16.91 – $131.98
Typical copayment $16.59 (range $4.22 – $32.99)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 2

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DARCY ROCHELLE REYNOLDS PMHNP-BC
Nurse Practitioner (Psychiatric/Mental Health)
505 5TH ST STE 615
SIOUX CITY, IA 51101
Woodbury County (712) 251-5962
AHA WELLNESS, LLC
Social Worker (Clinical)
505 5TH ST STE 615
SIOUX CITY, IA 51101
Woodbury County (712) 251-5962

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Amy Hammerstrom's NPI number?

The NPI number for Amy Hammerstrom is 1003103169. It was assigned to this individual provider in the NPPES registry on July 8, 2011.

Where is Amy Hammerstrom located?

Amy Hammerstrom practices at 505 5th St Ste 615, Sioux City, IA 51101. The listed phone number is (712) 251-5962.

What is Amy Hammerstrom's specialty?

The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.

Is Amy Hammerstrom enrolled in Medicare?

Yes. Amy Hammerstrom is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Amy Hammerstrom accept?

Health plans from HealthPartners and Oscar Insurance Company list Amy Hammerstrom as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Amy Hammerstrom was last updated on September 25, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.