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

William Niehaus

Individual provider Clinical Social Worker · NPI 1144328774

William Niehaus is a Clinical Social Worker in Greenwood, Indiana. Qualified in 2014, 12 years ago. Practices with Therapy Haus Behavioral Health, LLC, a 2-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Indiana.

Years since qualifying
12
Licensed in
IN
In the registry since
2006
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Practice location Address checks out

500 Polk St Ste 6G
Greenwood, IN 46143-1647
Phone: (317) 300-4214
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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 34008980A (IN)

Record details

NPI number1144328774
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorNo
NPI enumeratedSeptember 20, 2006
Last updated in NPPESJanuary 15, 2025
Certification dateJanuary 15, 2025

Medicare enrollment

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

Medicare specialtyCLINICAL SOCIAL WORKER
Medical schoolOTHER
Graduated 2014 (12 years in practice)
Group practice Therapy Haus Behavioral Health, Llc — 2 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

Other providers in Greenwood