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

Dr. Thomas David Marx, PHD

Individual provider Clinical Psychologist · NPI 1790895233

Dr. Thomas David Marx, PHD is a Clinical Psychologist in Greenfield, Wisconsin. Qualified in 1972, 54 years ago. Practices with Stress Management and Mental Health Clinics, an 11-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Wisconsin.

Years since qualifying
54
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

4848 S 76th St Ste 201
Greenfield, WI 53220-4361
Phone: (414) 325-7741
Fax: (414) 325-7735
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Psychologist (primary) Taxonomy 103TC0700X · Licence 594057 (WI)

Record details

NPI number1790895233
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorNo
NPI enumeratedAugust 30, 2006
Last updated in NPPESJuly 9, 2007

Medicare enrollment

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

Medicare specialtyCLINICAL PSYCHOLOGIST
Medical schoolOTHER
Graduated 1972 (54 years in practice)
Group practice Stress Management And Mental Health Clinics — 11 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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