STEPHEN EDWARD TREFZ LISW
NPI 1326148131
Social Worker - Clinical in Iowa City, IA

Active since September 22, 2006PECOS EnrolledAccepts Medicare Assignment
507 E COLLEGE ST, IOWA CITY, IA 52240(319) 338-7884(319) 338-7006 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Stephen Edward Trefz Lisw NPPES

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

STEPHEN EDWARD TREFZ LISW (NPI 1326148131) is an individual clinical provider in Iowa City, Iowa, licensed in Iowa (00441) and active in the NPI registry since September 2006. He is enrolled in Medicare PECOS and is a graduate of Other (1979).

NPPES Registry Identity

NPI1326148131
Entity TypeIndividualMale
Primary Taxonomy1041C0700X
Provider Legal NameSTEPHEN EDWARD TREFZCredential: LISW
Location Address507 E COLLEGE STIowa City, IA 52240-5115
Mailing Address507 E College StIowa City, IA 52240-5115 · (319) 338-7884 · Fax (319) 338-7006
Fax(319) 338-7006
Sole ProprietorNo
Medical School CMSOtherGraduated 1979
Enumeration DateSeptember 22, 2006
Last NPPES UpdateJuly 8, 2007
NPI 1326148131 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
License Licensed in IA · 00441
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.
507 E COLLEGE ST, Iowa City, IA 52240

Other Identifiers 1

Medicare ID-Type Unspecified07895IA

Accepted 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

Stephen Edward Trefz Lisw 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 ID7012947765
PECOS Enrollment IDI20101201000083
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.

Areas of Expertise CMS Part B claims

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Psychotherapy, 45 minutes 90834
Psychotherapy is a treatment method where you converse with a therapist about your thoughts, feelings, and behaviors. In a 45-minute session, the therapist assists you in understanding and managing your mental health concerns, improving emotional wellness, and promoting personal growth.
115 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 52240 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 20

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

Social Worker (Clinical)
507 E COLLEGE ST
IOWA CITY, IA 52240
Social Worker (Clinical)
507 E COLLEGE ST
IOWA CITY, IA 52240
Registered Nurse
507 E COLLEGE ST
IOWA CITY, IA 52240
Clinic/Center (Mental Health (Including Community Mental Health Center))
507 E COLLEGE ST
IOWA CITY, IA 52240
Counselor (Mental Health)
507 E COLLEGE ST
IOWA CITY, IA 52240
Social Worker (Clinical)
507 E COLLEGE ST
IOWA CITY, IA 52240
Counselor (Mental Health)
507 E COLLEGE ST
IOWA CITY, IA 52240
Counselor (Mental Health)
507 E COLLEGE ST
IOWA CITY, IA 52240

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 Stephen Trefz's NPI number?

The NPI number for Stephen Trefz is 1326148131. It was assigned to this individual provider in the NPPES registry on September 22, 2006.

Where is Stephen Trefz located?

Stephen Trefz practices at 507 E College St, Iowa City, IA 52240. The listed phone number is (319) 338-7884.

What is Stephen Trefz's specialty?

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

Is Stephen Trefz enrolled in Medicare?

Yes. Stephen Trefz 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 Stephen Trefz accept?

Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Home State Health, Ambetter from NH Healthy Families and Ambetter from Sunflower Health Plan and 3 other insurers list Stephen Trefz 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 Stephen Trefz was last updated on July 8, 2007. NPI Profile syncs with the weekly NPPES data releases published by CMS.