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Clinical Social Worker

Stephen E. Trefz

Sees patients in Iowa City, IA · Iowa

Summary

Stephen E. Trefz (Clinical Social Worker) is enrolled with Medicare at 1 practice location in Iowa City, IA. NPI 1326148131. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Stephen E. Trefz, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Clinical Social WorkerPrimary specialty
YesAccepts Medicare assignment
YesOffers telehealth
47Years since medical school (graduated 1979)
MaleGender (as listed)
Counseling Center for Individual and Family Development LLPGroup practice

Quick answers

Where does Stephen E. Trefz see patients?
Medicare's clinician data lists 1 practice location in Iowa City, IA. Call before your visit to confirm the address.
What is Stephen E. Trefz's specialty?
Medicare lists Clinical Social Worker as the primary specialty.
Does Stephen E. Trefz accept Medicare assignment?
Yes. Medicare's clinician data says Stephen E. Trefz accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
Does Stephen E. Trefz offer telehealth?
Medicare's clinician data says Stephen E. Trefz offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Stephen E. Trefz?
(319) 337-6483, as listed in official Medicare / NPI Registry data.
What is Stephen E. Trefz's NPI number?
1326148131. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where Stephen E. Trefz is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Stephen E. Trefz as a member of this group (CMS data updated 2026-10-02).

  • Counseling Center for Individual and Family Development LLP8 clinicians in the group

Specialties

Find other clinicians: Clinical Social Worker, Iowa →

Other clinical social workers in Iowa City

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

All clinical social workers in Iowa City →

Clinician information

Graduation year1979
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1326148131
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 2026-10-02, retrieved 2026-10-29
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians