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

Joseph T Chojnacki, PHD

Individual provider Psychologist · NPI 1033211719

Joseph T Chojnacki, PHD is a Clinical Psychologist in Marshfield, Wisconsin. Qualified in 1992, 34 years ago. Practices with Mchs Hospitals Inc, a 1,194-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Wisconsin.

Years since qualifying
34
Licensed in
WI
In the registry since
2006
What do these letters mean?
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

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Practice location Address checks out

1000 N Oak Ave
Marshfield, WI 54449
Phone: (715) 387-5445
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychologist (primary) Taxonomy 103T00000X · Licence 1955 (WI)

Record details

NPI number1033211719
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorNo
NPI enumeratedSeptember 2, 2006
Last updated in NPPESApril 5, 2024
Certification dateApril 5, 2024

Medicare enrollment

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

Medicare specialtyCLINICAL PSYCHOLOGIST
Medical schoolOTHER
Graduated 1992 (34 years in practice)
Group practice McHs Hospitals Inc — 1194 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations2 on file with Medicare

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