Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Stephen Edward Trefz, LISW

Individual provider Clinical Social Worker · NPI 1326148131

Stephen Edward Trefz, LISW is a Clinical Social Worker in Iowa City, Iowa. Qualified in 1979, 47 years ago. Practices with Counseling Center for Individual and Family Development LLP, a 7-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Iowa.

Years since qualifying
47
Licensed in
IA
In the registry since
2006
What do these letters mean?
LISW — Licensed Independent Social Worker
A social worker licensed to practise independently.

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Practice location Address checks out

507 E College St
Iowa City, IA 52240-5115
Phone: (319) 338-7884
Fax: (319) 338-7006
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X · Licence 00441 (IA)

Record details

NPI number1326148131
Entity typeIndividual (Type 1)
GenderMale
Credentials LISW
Sole proprietorNo
NPI enumeratedSeptember 22, 2006
Last updated in NPPESJuly 8, 2007

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCLINICAL SOCIAL WORKER
Medical schoolOTHER
Graduated 1979 (47 years in practice)
Group practice Counseling Center For Individual And Family Development Llp — 7 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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