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Clinical Social Worker

Joyce M. Andresen

Sees patients in Waterloo, IA · Iowa

Summary

Joyce M. Andresen is a clinical social worker at 3251 W 9th St, Waterloo, IA 50702. Phone: (319) 234-2893. Accepts Medicare assignment. In 2024, Joyce M. Andresen had 14 Original Medicare patients and 92 services. NPI 1538314018. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Clinical social worker
  • Address: 3251 W 9th St, Waterloo, IA 50702 · Directions (1 more location)
  • Phone: (319) 234‑2893
  • Medicare: Accepts Medicare assignment
  • Group practice: Black Hawk-Grundy Mental Health Center Inc
  • School: graduated 2002
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Joyce M. Andresen, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Joyce M. Andresen accept Medicare assignment?
Yes. Medicare's clinician data says Joyce M. Andresen accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Joyce M. Andresen see?
In 2024, CMS data shows 14 Original Medicare patients and 92 services for Joyce M. Andresen. This counts Original Medicare only and measures volume, not quality.
What is Joyce M. Andresen's NPI number?
1538314018. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Joyce M. Andresen, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients14
Services billed to Medicare92
Different services or procedures3
Participating Medicare providerYes
Average age of these patients67

Most frequent services

  1. Psychotherapy, 45 minutes (90834)71 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • Anxiety75%

Practice locations

Addresses where Joyce M. Andresen is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Joyce M. Andresen as a member of this group (CMS data updated October 2, 2026).

  • Black Hawk-Grundy Mental Health Center Inc20 clinicians in the group

Specialties

Find other clinicians: Clinical Social Worker, Iowa →

Other clinical social workers in Waterloo

Clinicians with the same Medicare primary specialty in Waterloo, IA — not a recommendation.

All clinical social workers in Waterloo →

Other clinicians in Black Hawk-Grundy Mental Health Center Inc

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

Graduation year2002
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1538314018
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  2. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians