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
Mailing address4848 S 76th St, Suite 201, Greenfield, WI 53220-4361

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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